The 1999 GMC Sierra 3500 is part of the first generation of the redesigned Sierra pickup truck line, which debuted for this model year. It's a full-size heavy-duty pickup known for its robust capability. Available in regular and extended cab configurations, it served through the early 2000s. Key trims included the base, SLE, and SLT. New pricing varied significantly based on configuration and options, typically ranging from $25,000 to over $40,000. Its popularity stems from its formidable towing and hauling prowess, making it a workhorse for demanding tasks.
The Good
The 1999 Sierra 3500 excels in raw power and steadfast reliability, appealing to those needing serious towing capability. Its comfortable interior for its era and durable build offer practical long-term value, while its imposing presence and proven track record evoke a sense of dependable strength.
The Bad
Potential buyers of the 1999 Sierra 3500 should watch for common issues like rust, particularly in the rocker panels and rear wheel wells. Interior wear and tear, especially on seats and dashboard components, is also frequent. Electrical glitches, such as power window or lock failures, can occur.
1999 GMC Sierra 3500: Quick Overview
- Engine Options:
- 5.7L V8 Vortec (350 CID): 255 horsepower @ 4600 rpm, 330 lb-ft torque @ 2800 rpm.
- 7.4L V8 Vortec (454 CID): 315 horsepower @ 4000 rpm, 475 lb-ft torque @ 3200 rpm.
- 6.5L V8 Turbo Diesel: 190 horsepower @ 3400 rpm, 430 lb-ft torque @ 1800 rpm. - Transmission Options: 4-speed automatic transmission (4L80E for heavier duty applications).
- Drivetrain: Rear-wheel drive (2WD) or 4-wheel drive (4WD).
- Fuel Economy: Generally poor due to large engines and heavy-duty nature. Specific MPG figures were not widely published for heavy-duty trucks, but expect low single digits in city driving and potentially low double digits on the highway, especially with larger engines and towing.
- 0-60 Times: Highly variable depending on engine, configuration, and load. Expect 9-12 seconds for gasoline engines, and likely longer for the diesel, especially when loaded.
- Towing Capacity: Substantial, often exceeding 10,000 lbs and reaching up to 12,000 lbs or more for properly equipped models, especially dually (dual rear wheels) configurations. Payload capacity was also very high.
- Trim-Level Features:
Base: Vinyl seats, basic AM/FM radio, manual windows and locks, 16-inch steel wheels. Practical and no-frills.
SLE: Cloth or upgraded vinyl seats, power windows and locks, cruise control, intermittent wipers, upgraded stereo system, chrome bumpers, 16-inch alloy wheels.
SLT: Leather seating, power driver's seat, automatic climate control, premium stereo with CD player, fog lights, more aggressive exterior styling, often with more towing-oriented features like trailer mirrors and integrated trailer brake controller wiring. - Body Styles: Regular Cab (2-door), Extended Cab (4-door).
- Wheelbase: Available in various wheelbases to accommodate different bed lengths (e.g., 130 inches, 158 inches).
1999 GMC Sierra 3500 Specifications
Vehicle Information
| Year | 1999 |
| Make | GMC |
| Model | Sierra 3500 |
| Trim | - |
| Style | Regular Cab 2WD |
| Type | Pickup Truck |
| Category | Medium Truck |
Manufacturing Details
| Made In | United States |
| Manufacturing City | FLINT |
Dimensions
| Doors | 2-Door |
| Curb Weight | 4894 pounds |
| Gross Vehicle Weight Rating | 9000 pounds |
| Overall Height | 73.40 inches |
| Overall Length | 213.40 inches |
| Overall Width | 76.80 inches |
| Wheelbase Length | 131.50 inches |
| Standard Seating | 3 |
Engine & Performance
| Engine | 7.4L V8 |
| Engine Size | 7.4L |
| Engine Cylinders | 8 |
| Transmission | 4-Speed Automatic |
| Transmission Type | Automatic |
| Transmission Speeds | 4-Speed |
| Drivetrain | Rear-Wheel Drive |
Additional Features
| Anti-Brake System | 4-Wheel ABS |
| Steering Type | Recirculating |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | $19,886 |
| Invoice Price | $17,399 |
| Delivery Charges | - |
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What Problems Does the 1999 GMC Sierra 3500 Have?
The 1999 GMC Sierra 3500, as part of the GMT800 platform's first year, shares some common issues with its siblings. A prominent concern for many owners is rust, particularly on the rocker panels, cab corners, and rear quarter panels, especially in regions with harsh winters and road salt. The frame itself can also be susceptible to corrosion over time. Transmission issues, especially with the 4L80E automatic, can arise with high mileage or heavy use, sometimes manifesting as slipping or rough shifting. Electrical gremlins are not uncommon; owners have reported problems with the instrument cluster, including dead gauges or flickering lights, and issues with power windows, door locks, and the HVAC blower motor.
The 6.5L V8 Turbo Diesel engine, while generally robust, can be prone to overheating if not properly maintained, and some earlier versions had issues with injector pump failures or head gasket problems, though these were more prevalent in earlier years of its production. The gasoline Vortec V8 engines (5.7L and 7.4L) are typically reliable but can experience intake manifold gasket leaks or oil consumption issues as they age. Suspension components like ball joints and bushings can wear out, leading to clunks or uneven tire wear.
For the 1999 model year specifically, while the platform was new, it inherited some of the kinks from the previous generation. There were no widespread, catastrophic recalls that affected all 1999 Sierra 3500s, but individual owners might encounter specific campaigns related to emissions or safety systems if their vehicle was affected. Long-term reliability is generally good if the truck has been well-maintained, especially its fluid changes and cooling system. However, the sheer weight and workhorse nature of the 3500 can accelerate wear on components if consistently used for heavy towing or hauling.
The 6.5L V8 Turbo Diesel engine, while generally robust, can be prone to overheating if not properly maintained, and some earlier versions had issues with injector pump failures or head gasket problems, though these were more prevalent in earlier years of its production. The gasoline Vortec V8 engines (5.7L and 7.4L) are typically reliable but can experience intake manifold gasket leaks or oil consumption issues as they age. Suspension components like ball joints and bushings can wear out, leading to clunks or uneven tire wear.
For the 1999 model year specifically, while the platform was new, it inherited some of the kinks from the previous generation. There were no widespread, catastrophic recalls that affected all 1999 Sierra 3500s, but individual owners might encounter specific campaigns related to emissions or safety systems if their vehicle was affected. Long-term reliability is generally good if the truck has been well-maintained, especially its fluid changes and cooling system. However, the sheer weight and workhorse nature of the 3500 can accelerate wear on components if consistently used for heavy towing or hauling.
How long will the 1999 GMC Sierra 3500 last?
The 1999 GMC Sierra 3500 is built with durability in mind, and with consistent, diligent maintenance, it's not uncommon for these trucks to reach 200,000 to 300,000 miles or more. Many owners report getting 15-20 years of service from their Sierra 3500s. The heavy-duty construction of the frame and drivetrain contributes to its longevity. However, weaknesses over time include susceptibility to rust, especially in rust-belt regions, which can compromise structural integrity. The robust engines and transmissions are generally reliable, but heavy towing and hauling can accelerate wear on components like suspension, brakes, and the drivetrain, necessitating more frequent replacement of wear items. Regular fluid changes and addressing minor issues promptly are key to maximizing its lifespan.
What Technology & Safety Features are Included?
The 1999 GMC Sierra 3500, being from the late 1990s, has a more utilitarian approach to technology, focusing on core functionality rather than advanced electronic suites.
Entertainment: Standard features typically included an AM/FM radio, often with an optional cassette player. Higher trims, like the SLT, could be optioned with a CD player and an upgraded speaker system. The focus was on basic audio playback rather than integrated multimedia systems.
Driver-Assistance Features: Driver-assistance technology was very limited in this era for pickup trucks. Features like cruise control were common and could be considered a convenience feature. Anti-lock Braking System (ABS) was standard on all four wheels, offering a basic level of control during hard braking.
Safety Features: Standard safety features included seatbelts, and crumple zones in the body design. Airbags were present, typically dual front airbags for the driver and passenger. The robust construction of the heavy-duty truck itself provided a significant degree of passive safety.
Optional Features: Depending on the trim level, optional features could include power windows and door locks, keyless entry, power adjustable mirrors (some with integrated turn signals or towing extensions), and a tilt steering wheel. The 7.4L Vortec engine could be optioned with an exhaust brake for enhanced downhill control when towing.
Crash-Test Ratings: Official crash-test ratings from organizations like the NHTSA (National Highway Traffic Safety Administration) or IIHS (Insurance Institute for Highway Safety) for specific models like the 1999 Sierra 3500 are not readily available in the same detailed format as modern vehicles. However, trucks of this era, especially heavy-duty models, were generally built with robust frames and strong passenger compartments, contributing to a relatively safe structure in frontal and side impacts for their time. The heavy weight also provided an advantage in collisions with lighter vehicles.
Entertainment: Standard features typically included an AM/FM radio, often with an optional cassette player. Higher trims, like the SLT, could be optioned with a CD player and an upgraded speaker system. The focus was on basic audio playback rather than integrated multimedia systems.
Driver-Assistance Features: Driver-assistance technology was very limited in this era for pickup trucks. Features like cruise control were common and could be considered a convenience feature. Anti-lock Braking System (ABS) was standard on all four wheels, offering a basic level of control during hard braking.
Safety Features: Standard safety features included seatbelts, and crumple zones in the body design. Airbags were present, typically dual front airbags for the driver and passenger. The robust construction of the heavy-duty truck itself provided a significant degree of passive safety.
Optional Features: Depending on the trim level, optional features could include power windows and door locks, keyless entry, power adjustable mirrors (some with integrated turn signals or towing extensions), and a tilt steering wheel. The 7.4L Vortec engine could be optioned with an exhaust brake for enhanced downhill control when towing.
Crash-Test Ratings: Official crash-test ratings from organizations like the NHTSA (National Highway Traffic Safety Administration) or IIHS (Insurance Institute for Highway Safety) for specific models like the 1999 Sierra 3500 are not readily available in the same detailed format as modern vehicles. However, trucks of this era, especially heavy-duty models, were generally built with robust frames and strong passenger compartments, contributing to a relatively safe structure in frontal and side impacts for their time. The heavy weight also provided an advantage in collisions with lighter vehicles.
What Colors Options are Available?
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1999 GMC Sierra 3500 Prices and Market Value
When new, the 1999 GMC Sierra 3500's price ranged significantly, from approximately $25,000 for a base model regular cab 2WD to well over $40,000 for a fully-loaded SLT crew cab 4WD dually with the larger engine. Depreciation for the Sierra 3500, like most heavy-duty trucks, is generally slower than for lighter-duty vehicles, especially if they have been well-maintained and are equipped for towing. Current used market prices vary wildly based on condition, mileage, engine, and trim. Expect to find them anywhere from $3,000 to $15,000 or more for exceptionally clean, low-mileage examples. Factors affecting resale value include the presence of rust, the condition of the engine and transmission, towing packages, and overall maintenance history. Diesel models often command a premium over gasoline counterparts in the used market due to their perceived longevity and torque for hauling.
1999 GMC Sierra 3500 Cost of Ownership
Owning a 1999 GMC Sierra 3500 is generally considered costly rather than economical, primarily due to fuel consumption and maintenance. Insurance costs can be moderate to high, depending on coverage and location. Fuel economy is a significant expense, with V8 gasoline engines averaging 10-15 MPG and diesel engines offering slightly better but still substantial fuel needs. Regular maintenance, including oil changes, filter replacements, and fluid checks, is crucial for longevity. Repair costs can be substantial, especially for major components like transmissions or diesel engines. Parts are generally available, but specialized heavy-duty components can be pricier. Overall, it's a robust vehicle that demands a financial commitment for upkeep.
1999 GMC Sierra 3500 Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
34.00 gallons
City Mileage
-
Highway Mileage
-
1999 GMC Sierra 3500 Warranty
Basic
Original warranty
36 months / 36,000 miles
Estimated remaining
Expired
Powertrain
Original warranty
36 months / 36,000 miles
Estimated remaining
Expired
Rust
Original warranty
72 months / 100,000 miles
Estimated remaining
Expired
1999 GMC Sierra 3500 Insurance
Insurance for a 1999 GMC Sierra 3500 is moderately priced, reflecting its status as a Pickup Truck with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 1999 GMC Sierra 3500 Compare to Other Pickup Truck?
The 1999 GMC Sierra 3500 competed directly with other heavy-duty pickups of the era, most notably the Ford F-250 Super Duty and the Dodge Ram 3500.
Performance: In terms of raw power and towing capacity, the Sierra 3500 with its 7.4L Vortec V8 or optional 6.5L turbodiesel was competitive. The Ford F-250 often offered comparable or slightly higher towing and payload ratings, especially with its Power Stroke diesel. The Dodge Ram 3500, particularly with its Cummins diesel, was renowned for immense torque and towing prowess. The Sierra's independent front suspension (on 2WD models) offered a smoother ride compared to the solid front axles of many rivals, but the 4WD models shared solid axles.
Features: All three offered similar levels of basic amenities for the time. GMC's interior design was functional, though perhaps less refined than some Ford or Dodge offerings that were pushing more car-like interiors. Optional features like leather seats, premium sound systems, and power accessories were available across the board, with higher trims like the SLT aiming for more luxury.
Reliability: GMC's Vortec engines were generally considered reliable, as were the transmissions. The Ford Power Stroke diesel was very popular but had its own set of common issues. The Dodge Ram with the Cummins diesel is legendary for its long-term reliability and durability, often considered a benchmark in the class. All trucks from this era could suffer from rust, though specific susceptibility varied.
Price: New pricing was competitive across all three. Used, the 1999 Sierra 3500 typically falls into a similar price bracket as comparable F-250s and Ram 3500s, with diesel variants commanding a premium.
Alternatives: For similar capability, the Ford F-250 Super Duty and Dodge Ram 3500 are direct competitors. If absolute diesel torque and longevity are the top priority, a 1999-2003 Dodge Ram 3500 with the Cummins engine is an excellent alternative, often considered more reliable long-term than its contemporaries. If a smoother ride and more car-like interior are desired, and extreme towing isn't the primary need, a lighter-duty pickup might be considered, but for heavy-duty work, these three are the primary contenders.
Performance: In terms of raw power and towing capacity, the Sierra 3500 with its 7.4L Vortec V8 or optional 6.5L turbodiesel was competitive. The Ford F-250 often offered comparable or slightly higher towing and payload ratings, especially with its Power Stroke diesel. The Dodge Ram 3500, particularly with its Cummins diesel, was renowned for immense torque and towing prowess. The Sierra's independent front suspension (on 2WD models) offered a smoother ride compared to the solid front axles of many rivals, but the 4WD models shared solid axles.
Features: All three offered similar levels of basic amenities for the time. GMC's interior design was functional, though perhaps less refined than some Ford or Dodge offerings that were pushing more car-like interiors. Optional features like leather seats, premium sound systems, and power accessories were available across the board, with higher trims like the SLT aiming for more luxury.
Reliability: GMC's Vortec engines were generally considered reliable, as were the transmissions. The Ford Power Stroke diesel was very popular but had its own set of common issues. The Dodge Ram with the Cummins diesel is legendary for its long-term reliability and durability, often considered a benchmark in the class. All trucks from this era could suffer from rust, though specific susceptibility varied.
Price: New pricing was competitive across all three. Used, the 1999 Sierra 3500 typically falls into a similar price bracket as comparable F-250s and Ram 3500s, with diesel variants commanding a premium.
Alternatives: For similar capability, the Ford F-250 Super Duty and Dodge Ram 3500 are direct competitors. If absolute diesel torque and longevity are the top priority, a 1999-2003 Dodge Ram 3500 with the Cummins engine is an excellent alternative, often considered more reliable long-term than its contemporaries. If a smoother ride and more car-like interior are desired, and extreme towing isn't the primary need, a lighter-duty pickup might be considered, but for heavy-duty work, these three are the primary contenders.
Final Verdict: Is the 1999 GMC Sierra 3500 a Good Pickup Truck?
The 1999 GMC Sierra 3500 is ideal for individuals or businesses needing a dependable, powerful truck for serious towing, hauling, or work applications. It's well-suited for those who prioritize raw capability and proven strength over modern creature comforts or fuel efficiency.
It is absolutely worth buying if found in good condition, especially if it has been well-maintained and exhibits minimal rust. Opting for a used model is the only realistic option today. Specific trims like the SLE or SLT offer a better balance of features and comfort for longer workdays. The diesel engine variants are highly sought after for their torque and longevity if you plan on heavy use. Avoid models with significant rust or evidence of neglected maintenance, as repairs on heavy-duty trucks can be costly. For its intended purpose, it remains a capable workhorse.
It is absolutely worth buying if found in good condition, especially if it has been well-maintained and exhibits minimal rust. Opting for a used model is the only realistic option today. Specific trims like the SLE or SLT offer a better balance of features and comfort for longer workdays. The diesel engine variants are highly sought after for their torque and longevity if you plan on heavy use. Avoid models with significant rust or evidence of neglected maintenance, as repairs on heavy-duty trucks can be costly. For its intended purpose, it remains a capable workhorse.
Drew B
Drew is a seasoned automotive expert and contributor to VinCheck.info. With nearly 15 years of experience as a former Porsche technician, he brings a wealth of hands-on knowledge to his writing. Born in North Carolina, a region renowned for its deep-rooted NASCAR culture, Drew developed a passion for cars early in life, often building and working on vehicles from a young age. At VINCheck, Drew leverages his extensive technical background to provide in-depth analyses of various vehicles. His articles often focus on engine performance, reliability, and maintenance insights, offering readers practical information grounded in real-world experience. Some of his notable contributions include reviews on the Mazda CX-5's longevity and detailed examinations of engine options for models like the 2011 Toyota Camry and Tacoma