The 1998 GMC Sierra 2500 is part of the GMT800 generation of GM trucks, known for their robust construction and capability. This heavy-duty pickup was available as a regular cab, extended cab, and crew cab, with 8-foot long bed configurations. Key trims included the SLE and SL. Popular for its legendary durability and powerful V8 engine options, the Sierra 2500 was a go-to choice for demanding work and towing needs. Pricing when new ranged from approximately $25,000 to $35,000, depending on configuration.
The Good
The 1998 Sierra 2500 excels in raw power and unwavering reliability, making it a practical choice for tough jobs. Its commanding presence appeals to those seeking a truck that looks and feels substantial. Owners appreciate its robust build quality and dependable performance, offering excellent long-term value.
The Bad
Potential buyers should watch for rust, particularly on the frame, wheel wells, and rocker panels. Transmission issues, especially with the 4L80E automatic, can arise with higher mileage. Interior wear and tear, such as cracked dashboards and worn upholstery, are also common. Electrical gremlins can sometimes surface.
1998 GMC Sierra 2500: Quick Overview
- Engine Options: The 1998 GMC Sierra 2500 offered two primary engine choices:
- 5.0L V8 Vortec 5000: This was a capable, but less potent, option for the 2500 series.
- 5.7L V8 Vortec 5700: A more common and powerful choice, offering a good balance of grunt and everyday drivability.
- 7.4L V8 Vortec 7400: The powerhouse of the lineup, delivering substantial torque for heavy-duty tasks.
- 6.5L V8 Turbo Diesel: Available for those prioritizing towing and fuel efficiency, though often slower. - Horsepower:
- 5.0L V8: Approximately 220 hp
- 5.7L V8: Approximately 255 hp
- 7.4L V8: Approximately 300-315 hp
- 6.5L V8 Turbo Diesel: Approximately 190-215 hp (torque was more significant for the diesel) - Fuel Economy: As expected for a heavy-duty truck of this era, fuel economy was not a strong suit. Expect figures in the range of 10-15 MPG combined, heavily dependent on engine, drivetrain (2WD/4WD), and driving conditions. Diesel variants offered slightly better highway mileage.
- 0-60 Times: These vary significantly based on engine and configuration, but generally fell in the 8-10 second range for gasoline V8s, with the diesel being considerably slower.
- Towing Capacity: The Sierra 2500 was designed for serious towing. Depending on configuration (axle ratio, engine, drivetrain), towing capacities could range from around 7,000 lbs up to well over 10,000 lbs for properly equipped models.
- Trim-Level Features:
- SL: Typically featured a more utilitarian approach with standard vinyl flooring, basic cloth seats, manual windows and locks, and essential gauges. Air conditioning and a radio were usually standard.
- SLE: Offered a significant upgrade in comfort and convenience. Features often included power windows and locks, upgraded cloth or optional leather seating, a more advanced stereo system, cruise control, tilt steering wheel, and often more chrome exterior accents. Anti-lock brakes were standard on all.
1998 GMC Sierra 2500 Specifications
Vehicle Information
| Year | 1998 |
| Make | GMC |
| Model | Sierra 2500 |
| Trim | - |
| Style | Regular Cab 2WD 4-Speed Automatic |
| Type | Pickup Truck |
| Category | Standard Pickup Truck |
Manufacturing Details
| Made In | United States |
| Manufacturing City | PONTIAC |
Dimensions
| Doors | 2-Door |
| Curb Weight | 5448 pounds |
| Gross Vehicle Weight Rating | 8600 pounds |
| Overall Height | 74.00 inches |
| Overall Length | 237.40 inches |
| Overall Width | 76.80 inches |
| Wheelbase Length | 155.50 inches |
| Standard Seating | 6 |
Engine & Performance
| Engine | 5.7-L V-8 OHV 16V |
| Engine Size | 5.7L |
| Engine Cylinders | 8 |
| Transmission | 4-Speed Automatic |
| Transmission Type | Automatic |
| Transmission Speeds | 4-Speed |
| Drivetrain | Four-Wheel Drive |
Additional Features
| Anti-Brake System | 2-Wheel ABS |
| Steering Type | Recirculating |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | $23,887 |
| Invoice Price | $20,898 |
| Delivery Charges | - |
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What Problems Does the 1998 GMC Sierra 2500 Have?
The 1998 GMC Sierra 2500, like many trucks from this era, is known for its overall robust build but does have some common areas to scrutinize. One of the most frequently reported issues, particularly on higher mileage examples, is related to the transmission. The 4L80E automatic transmission, while generally strong, can develop issues such as slipping, rough shifting, or failure to engage gears. This is often exacerbated by heavy use or inadequate fluid maintenance.
Another significant concern for these trucks is rust. The undercarriage, especially frame rails, rear differential, and body panels like rocker arms, wheel wells, and cab corners, are susceptible to corrosion, particularly in areas exposed to road salt. Early detection and repair are crucial for long-term structural integrity.
Cooling system components can also be a source of problems. Radiators may develop leaks, and water pumps can fail over time, leading to overheating. The intake manifold gaskets on some Vortec V8 engines have been known to leak, causing coolant loss or vacuum issues.
Electrical gremlins, while not pervasive, can sometimes appear. This might include issues with power windows, door locks, or the instrument cluster. The complex wiring harnesses of the time can degrade, leading to intermittent faults.
While specific widespread recalls directly impacting the 1998 model year for major powertrain failures are less common, it's always wise to check for any outstanding recalls related to safety systems or emissions. The long-term reliability of the 1998 Sierra 2500 is heavily dependent on how it was maintained. Trucks used for heavy towing or off-roading may show more wear and tear. However, with regular maintenance, fluid changes, and addressing rust issues proactively, these trucks can continue to provide dependable service for many years.
Another significant concern for these trucks is rust. The undercarriage, especially frame rails, rear differential, and body panels like rocker arms, wheel wells, and cab corners, are susceptible to corrosion, particularly in areas exposed to road salt. Early detection and repair are crucial for long-term structural integrity.
Cooling system components can also be a source of problems. Radiators may develop leaks, and water pumps can fail over time, leading to overheating. The intake manifold gaskets on some Vortec V8 engines have been known to leak, causing coolant loss or vacuum issues.
Electrical gremlins, while not pervasive, can sometimes appear. This might include issues with power windows, door locks, or the instrument cluster. The complex wiring harnesses of the time can degrade, leading to intermittent faults.
While specific widespread recalls directly impacting the 1998 model year for major powertrain failures are less common, it's always wise to check for any outstanding recalls related to safety systems or emissions. The long-term reliability of the 1998 Sierra 2500 is heavily dependent on how it was maintained. Trucks used for heavy towing or off-roading may show more wear and tear. However, with regular maintenance, fluid changes, and addressing rust issues proactively, these trucks can continue to provide dependable service for many years.
How long will the 1998 GMC Sierra 2500 last?
Based on owner data and typical maintenance, the 1998 GMC Sierra 2500 demonstrates considerable long-term durability. It's not uncommon to see these trucks with well over 200,000 miles, and many continue to serve reliably past 300,000 miles. With diligent maintenance, including regular oil changes, transmission fluid flushes, and coolant services, these trucks can offer a service life of 15-20 years or more. The primary weaknesses that tend to appear over time are related to corrosion (rust) and potential wear on the powertrain components, especially if subjected to heavy use. However, the core mechanicals, such as the engine block and frame, are exceptionally robust, making them candidates for long-term ownership with proper care.
What Technology & Safety Features are Included?
The 1998 GMC Sierra 2500 reflects the technological landscape of its time, prioritizing functionality over cutting-edge innovation.
Entertainment: Standard entertainment typically consisted of an AM/FM radio, often with a cassette player. Higher trim levels, like the SLE, might have offered an upgraded stereo system with more speakers. CD players were an optional upgrade for many models. Connectivity was basic, with no auxiliary inputs or Bluetooth.
Driver-Assistance Features: Driver-assistance technology was virtually nonexistent in the 1998 Sierra 2500. Features like cruise control were available and common on most trims. Antilock Braking System (ABS) was standard on all models, providing a significant safety advantage for its time, especially during emergency braking. There were no traction control systems or advanced aids like lane departure warnings or adaptive cruise control.
Safety Features: Standard safety equipment included seatbelts and airbags for the driver and front passenger. The heavy-duty construction of the Sierra 2500 inherently provided a substantial level of passive safety. However, specific crash-test ratings from organizations like the NHTSA or IIHS for this particular model year are not readily available in a detailed format that reflects modern testing standards. Trucks of this era were generally built to be very sturdy, offering good occupant protection in frontal impacts due to their robust chassis and body structure.
Optional Features: Beyond the stereo upgrades, buyers could opt for features like power windows and door locks (standard on SLE), remote keyless entry, a tilt steering wheel, and a choice of interior materials. For enhanced utility, buyers could select different axle ratios, locking differentials (on some 4x4 models), and trailer towing packages.
Overall, the tech and safety features of the 1998 Sierra 2500 are basic by today's standards, focusing on core functionality and the inherent safety provided by its robust, body-on-frame construction. ABS was the most advanced driver aid offered.
Entertainment: Standard entertainment typically consisted of an AM/FM radio, often with a cassette player. Higher trim levels, like the SLE, might have offered an upgraded stereo system with more speakers. CD players were an optional upgrade for many models. Connectivity was basic, with no auxiliary inputs or Bluetooth.
Driver-Assistance Features: Driver-assistance technology was virtually nonexistent in the 1998 Sierra 2500. Features like cruise control were available and common on most trims. Antilock Braking System (ABS) was standard on all models, providing a significant safety advantage for its time, especially during emergency braking. There were no traction control systems or advanced aids like lane departure warnings or adaptive cruise control.
Safety Features: Standard safety equipment included seatbelts and airbags for the driver and front passenger. The heavy-duty construction of the Sierra 2500 inherently provided a substantial level of passive safety. However, specific crash-test ratings from organizations like the NHTSA or IIHS for this particular model year are not readily available in a detailed format that reflects modern testing standards. Trucks of this era were generally built to be very sturdy, offering good occupant protection in frontal impacts due to their robust chassis and body structure.
Optional Features: Beyond the stereo upgrades, buyers could opt for features like power windows and door locks (standard on SLE), remote keyless entry, a tilt steering wheel, and a choice of interior materials. For enhanced utility, buyers could select different axle ratios, locking differentials (on some 4x4 models), and trailer towing packages.
Overall, the tech and safety features of the 1998 Sierra 2500 are basic by today's standards, focusing on core functionality and the inherent safety provided by its robust, body-on-frame construction. ABS was the most advanced driver aid offered.
What Colors Options are Available?
Exterior Colors
Onyx Black
Forest Green Metallic
Victory Red
Summit White
Indigo Blue Metallic
Pewter Metallic
Silverado (Light Gray Metallic)
Quasar Blue Metallic
Desert Sun Gold Metallic
Dark Cherry Metallic
Dark Teal Metallic
Interior Colors
Medium Tan Cloth
Pewter Cloth
Graphite Cloth
Black Cloth
Medium Tan Leather
Pewter Leather
Graphite Leather
Black Leather
1998 GMC Sierra 2500 Prices and Market Value
When new, the 1998 GMC Sierra 2500 had an MSRP that typically ranged from approximately $25,000 for base models to over $35,000 for fully equipped SLE extended or crew cab versions. Depreciation on these trucks was initially significant, as is typical for most vehicles. However, their strong reputation for durability means that well-maintained examples have a relatively stable and decent resale value in the current used market, especially those with desirable engines like the 7.4L V8 or the 6.5L turbo diesel, and in good condition. Prices for used 1998 Sierra 2500s can vary widely, from around $3,000 for high-mileage, project trucks to $10,000+ for exceptionally clean, low-mileage examples. Factors affecting resale value include mileage, condition (especially rust and mechanical integrity), engine choice, drivetrain (4x4 is often more desirable), and overall maintenance history.
1998 GMC Sierra 2500 Cost of Ownership
Owning a 1998 GMC Sierra 2500 can be moderately costly, especially regarding fuel. Its V8 engines are thirsty, so expect higher fuel expenses. Insurance costs are generally reasonable for a truck of this age and class, but comprehensive coverage might be more expensive due to its size and value. Maintenance is straightforward for many DIYers, but specialized repairs can be costly. Routine maintenance like oil changes, filter replacements, and brake jobs are standard. Long-term ownership costs are heavily influenced by its propensity for rust and potential transmission issues. While not economical to run daily due to fuel consumption, its durability can make it cost-effective over the long haul if major repairs are avoided.
1998 GMC Sierra 2500 Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
34.00 gallons
City Mileage
14 miles/gallon
Highway Mileage
18 miles/gallon
1998 GMC Sierra 2500 Safety Rating
NHTSA
IIHS
1998 GMC Sierra 2500 Recalls & Defects
Service Brakes, Hydraulic:foundation Components:disc:rotor
Recall date
1998-02-17
Recall no.
98v033000
Source
NHTSA
Summary
Vehicle Description: Light Duty Pickup Trucks and Multi-Purpose Passenger Vehicles. ONE or Both Front Brake Rotor/Hubs Were Built With AN Out-Of-specification Gray Iron That CAN Fail During THE Life OF THE Vehicle.
Consequence
IF A Driver Continues TO Drive With A Cracked Rotor, THE Cracks Could Continue Around THE Wheel Mounting Bolt Circle and Ultimately Result IN A Wheel Separation.
Remedy
Dealers Will Inspect THE Rotors FOR A Core Date OF "287" And, IF Found, Replace THE Rotor.
Notes
Owner Notification IS Expected TO Begin During March 1998. Owners WHO Take Their Vehicles TO AN Authorized Dealer ON AN Agreed Upon Service Date and DO NOT Receive THE Free Remedy Within A Reasonable Time Should Contact Chevrolet AT 1-800-222-1020 or GMC AT 1-800-462-8782.also Contact THE National Highway Traffic Safety Administration's Auto Safety Hotline AT 1-888-dash-2-dot (1-888-327-4236).
Fuel System, Gasoline
Recall date
2006-05-19
Recall no.
06e043000
Source
NHTSA
Summary
Certain Replacement Fuel Filters, Fram Brand Name P/N G3727, With Date Codes X52911 Through X60801 Sequentially or X600141 and A Mexico Country or Origin Marking ON THE Fuel Filter Housing Manufactured From October 18, 2005, Through March 21, 2006, Sold FOR USE ON THE Vehicles Listed Above and ON Certain School Buses. (TO SEE THE School Bus Engine Sizes, Click ON "document Search" and Then "bus Applications"). THE Connector ON THE Fuel Filter WAS NOT Manufactured TO Honeywell's Specification. AS A Result, THE O-Ring MAY NOT Seat Correctly ON THE Fuel Line.
Consequence
This Condition MAY Cause AN Inadequate Seal AT THE Connection, Potentially Leading TO A Fuel Leak. IN THE Presence OF AN Ignition Source, A Fire Could Occur.
Remedy
Honeywell Will Notify Owners and Replace THE Fuel Filters Free OF Charge. THE Recall Began ON October 18, 2006. Owners MAY Contact Fram Customer Service AT 1-800-890-2075 (Option 1).
Notes
This Recall Only Pertains TO Aftermarket Fram Fuel Filters and HAS NO Relation TO ANY Original Equipment Installed ON THE Vehicles Listed.customers MAY Contact THE National Highway Traffic Safety Administration's Vehicle Safety Hotline AT 1-888-327-4236 (Tty: 1-800-424-9153); or GO TO Http://Www.safercar.gov.
Equipment
Recall date
2007-10-24
Recall no.
07e088000
Source
NHTSA
Summary
Certain Honeywell Fram Racing Brand HP4 and HP8 OIL Filters That Were Manufactured From MAY 25, 2006, Through September 14, 2007, and Sold FOR USE AS Replacement Equipment FOR Vehicles List Above. THE Affected Filters ARE Marked With A Date Code A61451 Through A72571 Sequentially. THE Date Code and Part Number Appear ON THE Filter Housing. Fram Racing HP4 and HP8 OIL Filters NOT Bearing A Date Code IN This Range ARE NOT Affected BY This Recall. THE Gasket OF THE OIL Filter Becomes More Pliable Under High Temperatures and Pressures.
Consequence
This Condition MAY Cause Inadequate Sealing and Loss OF Engine Oil, Possibly Resulting IN A Fire.
Remedy
Honeywell Will Replace THE Affected OIL Filters Free OF Charge. THE Recall Began During November 2007. Owners CAN Contact Fram Customer Service Toll-Free AT 1-800-890-2075.
Notes
Customers MAY Contact THE National Highway Traffic Safety Administration's Vehicle Safety Hotline AT 1-888-327-4236 (Tty: 1-800-424-9153); or GO TO Http://Www.safercar.gov.
1998 GMC Sierra 2500 Warranty
Basic
Original warranty
0 months / No data
Estimated remaining
Expired
Powertrain
Original warranty
0 months / No data
Estimated remaining
Expired
Rust
Original warranty
0 months / No data
Estimated remaining
Expired
1998 GMC Sierra 2500 Insurance
Insurance for a 1998 GMC Sierra 2500 is moderately priced, reflecting its status as a Pickup Truck with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 1998 GMC Sierra 2500 Compare to Other Pickup Truck?
The 1998 GMC Sierra 2500 competed in a robust segment of the heavy-duty truck market. Its primary rivals included the Ford F-250 Super Duty and the Dodge Ram 2500.
Performance: The Sierra 2500, particularly with its larger V8 options (5.7L and 7.4L), offered competitive horsepower and torque for towing and hauling. The Ford F-250 often had an edge in raw power with its larger Triton V8s and Power Stroke diesel. The Dodge Ram 2500, especially with its Cummins diesel engine, was renowned for its immense torque and towing prowess, often considered the king in diesel power.
Features: In 1998, interior features and technology were somewhat comparable across the board. The Sierra 2500's SLE trim offered a good balance of comfort and utility. The Ford F-250 also provided well-appointed interiors, and the Dodge Ram was known for its bold styling and spacious cabin, though its interior materials were sometimes perceived as less refined than its rivals.
Reliability: GMC Sierra trucks of this era have a strong reputation for mechanical durability, especially their engines and frames. The Ford F-250 is also generally regarded as reliable, though specific issues could arise with certain engine variants or transmissions. The Dodge Ram 2500 with the Cummins diesel engine is legendary for its bulletproof reliability and longevity. Gasoline engines in the Ram could be less robust than their diesel counterparts.
Price: All three trucks offered competitive pricing in their class when new. In the used market today, prices vary based on condition and powertrain. A well-maintained Sierra 2500 can be a strong value.
Alternatives:
- Ford F-250 Super Duty (1999+): A slightly newer generation might offer more modern features and potentially more powerful engine options, particularly if you seek the Power Stroke diesel.
- Dodge Ram 2500 (especially with Cummins Diesel): If absolute towing grunt and legendary diesel reliability are paramount, the Cummins-equipped Ram 2500 is a benchmark.
The 1998 GMC Sierra 2500 remains a solid choice, offering a good blend of capability and reliability. If you prioritize a particularly bulletproof diesel, the Ram 2500 is a compelling alternative. If you prefer a slightly more modern platform or the Ford brand, the F-250 is also a worthy contender.
Performance: The Sierra 2500, particularly with its larger V8 options (5.7L and 7.4L), offered competitive horsepower and torque for towing and hauling. The Ford F-250 often had an edge in raw power with its larger Triton V8s and Power Stroke diesel. The Dodge Ram 2500, especially with its Cummins diesel engine, was renowned for its immense torque and towing prowess, often considered the king in diesel power.
Features: In 1998, interior features and technology were somewhat comparable across the board. The Sierra 2500's SLE trim offered a good balance of comfort and utility. The Ford F-250 also provided well-appointed interiors, and the Dodge Ram was known for its bold styling and spacious cabin, though its interior materials were sometimes perceived as less refined than its rivals.
Reliability: GMC Sierra trucks of this era have a strong reputation for mechanical durability, especially their engines and frames. The Ford F-250 is also generally regarded as reliable, though specific issues could arise with certain engine variants or transmissions. The Dodge Ram 2500 with the Cummins diesel engine is legendary for its bulletproof reliability and longevity. Gasoline engines in the Ram could be less robust than their diesel counterparts.
Price: All three trucks offered competitive pricing in their class when new. In the used market today, prices vary based on condition and powertrain. A well-maintained Sierra 2500 can be a strong value.
Alternatives:
- Ford F-250 Super Duty (1999+): A slightly newer generation might offer more modern features and potentially more powerful engine options, particularly if you seek the Power Stroke diesel.
- Dodge Ram 2500 (especially with Cummins Diesel): If absolute towing grunt and legendary diesel reliability are paramount, the Cummins-equipped Ram 2500 is a benchmark.
The 1998 GMC Sierra 2500 remains a solid choice, offering a good blend of capability and reliability. If you prioritize a particularly bulletproof diesel, the Ram 2500 is a compelling alternative. If you prefer a slightly more modern platform or the Ford brand, the F-250 is also a worthy contender.
Final Verdict: Is the 1998 GMC Sierra 2500 a Good Pickup Truck?
The 1998 GMC Sierra 2500 is an ideal choice for individuals or businesses needing a robust, no-nonsense heavy-duty truck for significant towing, hauling, or demanding work. It's particularly well-suited for those who prioritize mechanical durability and straightforward functionality over modern amenities.
It is worth buying, especially on the used market, provided it has been well-maintained and inspected for rust. Buying this truck new is impractical today, but as a used vehicle, it offers exceptional value if your needs align with its capabilities. Look for models with the larger V8 engines (5.7L or 7.4L) or the 6.5L turbo diesel for optimal performance. Trim levels like the SLE offer a more comfortable experience without excessive complexity. Be prepared for higher fuel consumption and potential maintenance related to its age, but its core strengths make it a dependable workhorse for the right owner.
It is worth buying, especially on the used market, provided it has been well-maintained and inspected for rust. Buying this truck new is impractical today, but as a used vehicle, it offers exceptional value if your needs align with its capabilities. Look for models with the larger V8 engines (5.7L or 7.4L) or the 6.5L turbo diesel for optimal performance. Trim levels like the SLE offer a more comfortable experience without excessive complexity. Be prepared for higher fuel consumption and potential maintenance related to its age, but its core strengths make it a dependable workhorse for the right owner.
Eugene S
Eugene is an automotive enthusiast with over 15 years of experience in the used car market. As a writer at VINCheck.info, he brings deep industry insight and a passion for cars, helping readers make smart, informed decisions. Eugene has written hundreds of used car reviews and is known for breaking down complex automotive topics into clear, actionable advice. Over the years, he has driven and worked on a wide range of vehicles—starting with tuning street cars in his early days and eventually focusing on performance upgrades and reliability improvements. Today, he specializes in evaluating used vehicles through the lens of real-world ownership and enthusiast needs. A longtime fan of Porsche, Eugene especially appreciates vehicles that blend durability with driving enjoyment.