The 1989 GMC Suburban, part of the fourth generation (1973-1991), is a full-size SUV celebrated for its immense utility and passenger-carrying capability. This body-on-frame vehicle offered a spacious interior, seating up to nine people. Key trims included the base model and the more feature-rich SLE. Its popularity stemmed from its versatility as a family hauler, tow vehicle, and a capable off-roader. The 1989 model year saw continued refinement of this iconic American utility vehicle.
The Good
The 1989 Suburban excels in rugged performance and exceptional passenger capacity, offering a commanding presence and robust reliability. Its comfortable, spacious interior and durable construction appeal to families and adventurers alike, providing unwavering value for hauling and towing needs.
The Bad
Owners should be aware of potential issues like rust, particularly on the frame and body panels. Aging powertrains might require attention, and interior components can show wear. Fuel economy is also a significant drawback for this era's large SUV.
1989 GMC Suburban: Quick Overview
- Engine Options: The 1989 GMC Suburban was primarily offered with two V8 engine choices:
- 5.0L (305 ci) V8: This was the standard engine for many models.
- 5.7L (350 ci) V8: This optional engine provided more power and torque, often found in higher trims or preferred by those needing more capability.
- 5.0L (305 ci) V8: This was the standard engine for many models.
- Horsepower:
- The 5.0L V8 typically produced around 155-160 horsepower.
- The 5.7L V8 offered more grunt, generally in the range of 180-210 horsepower, depending on the specific configuration.
- The 5.0L V8 typically produced around 155-160 horsepower.
- Fuel Economy: As expected for a large, body-on-frame SUV of this era, fuel economy was not a strong suit. Expect figures in the range of 10-14 MPG combined, heavily dependent on engine choice, driving conditions, and whether it was 2WD or 4WD.
- 0-60 Times: Due to its size and weight, acceleration was not brisk. 0-60 mph times typically ranged from 10-12 seconds for models equipped with the 5.7L V8, and could be closer to 13-15 seconds for the 5.0L.
- Towing Capacity: The Suburban was built for towing. With proper equipment, it could generally tow between 6,000 to 8,000 lbs, making it suitable for large trailers, boats, or campers.
- Trim-Level Features:
- Base Trim: Typically included essential features like power steering, power brakes, an AM/FM radio, vinyl or cloth seating, and a robust heating system. Basic instrumentation was standard.
- SLE (Sport Luxury Edition) Trim: This higher trim level often added features such as air conditioning, power windows and door locks, upgraded interior trim materials (like velour), cruise control, a better stereo system, and sometimes alloy wheels. It offered a more comfortable and convenient experience.
- Optional Features: Depending on the trim, buyers could opt for features like four-wheel drive (4WD), rear heating, a towing package, premium sound systems, and different seating configurations.
- Base Trim: Typically included essential features like power steering, power brakes, an AM/FM radio, vinyl or cloth seating, and a robust heating system. Basic instrumentation was standard.
1989 GMC Suburban Specifications
Vehicle Information
| Year | 1989 |
| Make | GMC |
| Model | Suburban |
| Trim | - |
| Style | - |
| Type | Sport Utility Vehicle |
| Category | Minivan |
Manufacturing Details
| Made In | United States |
| Manufacturing City | PONTIAC |
Dimensions
| Doors | 4-Door |
| Curb Weight | - |
| Gross Vehicle Weight Rating | 7000 pounds |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | 6.2-L V-8 OHV 16V Diesel |
| Engine Size | 6.2L |
| Engine Cylinders | 8 |
| Transmission | - |
| Transmission Type | - |
| Transmission Speeds | - |
| Drivetrain | Four-Wheel Drive |
Additional Features
| Anti-Brake System | - |
| Steering Type | - |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | - |
| Invoice Price | - |
| Delivery Charges | - |
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What Problems Does the 1989 GMC Suburban Have?
The 1989 GMC Suburban, while generally considered a robust vehicle, is subject to common issues associated with older, large SUVs. One of the most prevalent concerns for vehicles of this vintage is **rust**. The frame, particularly around the rear differential and wheel wells, is susceptible to corrosion, especially in regions with harsh winters or coastal environments. Body panels, including rocker panels, fender flares, and the lower doors, can also develop rust. Inspecting these areas thoroughly is crucial when considering a purchase.
Powertrain reliability is generally good, but age can bring specific problems. The **4L60E transmission** (if equipped) or its predecessor can develop issues, such as slipping gears or failure to shift, especially if it hasn't been maintained with regular fluid changes. The **TBI (Throttle Body Injection)** fuel system, while mechanically simpler than later injection systems, can suffer from clogged injectors or fuel pump issues over time. Premature wear of **engine components** like head gaskets, lifters, or intake manifold gaskets can occur, leading to coolant leaks or oil consumption.
On the electrical front, older vehicles often experience issues with **wiring harnesses**, which can become brittle and lead to intermittent problems with lights, gauges, or accessories. The **HVAC system** is another area where wear and tear can manifest, with common complaints including a non-functioning blower motor, leaks, or a failing A/C compressor. Power steering pumps and alternators are also common wear items that may require replacement.
While there aren't widely publicized major recalls specific to the 1989 model year that stand out as systemic defects across the board, it's always advisable to check for any outstanding recalls through VIN lookup services. Long-term reliability ultimately depends heavily on the maintenance history. Suburbans that have been regularly serviced, especially with fluid changes for the engine, transmission, and differentials, and had any minor issues addressed promptly, tend to fare much better. Those neglected or subjected to heavy use without proper care are more likely to present significant repair needs.
Powertrain reliability is generally good, but age can bring specific problems. The **4L60E transmission** (if equipped) or its predecessor can develop issues, such as slipping gears or failure to shift, especially if it hasn't been maintained with regular fluid changes. The **TBI (Throttle Body Injection)** fuel system, while mechanically simpler than later injection systems, can suffer from clogged injectors or fuel pump issues over time. Premature wear of **engine components** like head gaskets, lifters, or intake manifold gaskets can occur, leading to coolant leaks or oil consumption.
On the electrical front, older vehicles often experience issues with **wiring harnesses**, which can become brittle and lead to intermittent problems with lights, gauges, or accessories. The **HVAC system** is another area where wear and tear can manifest, with common complaints including a non-functioning blower motor, leaks, or a failing A/C compressor. Power steering pumps and alternators are also common wear items that may require replacement.
While there aren't widely publicized major recalls specific to the 1989 model year that stand out as systemic defects across the board, it's always advisable to check for any outstanding recalls through VIN lookup services. Long-term reliability ultimately depends heavily on the maintenance history. Suburbans that have been regularly serviced, especially with fluid changes for the engine, transmission, and differentials, and had any minor issues addressed promptly, tend to fare much better. Those neglected or subjected to heavy use without proper care are more likely to present significant repair needs.
How long will the 1989 GMC Suburban last?
The 1989 GMC Suburban is known for its potential for long-term durability, often exceeding 200,000 miles with diligent maintenance. Many owners report reliable service for 15-20 years or more. Its robust body-on-frame construction and relatively simple mechanicals contribute to this longevity. However, the primary weakness over time is susceptibility to rust, particularly in adverse climates, which can compromise structural integrity and lead to costly repairs or even render the vehicle irreparable if left unchecked. Engine and transmission components, while generally strong, can eventually succumb to wear and tear, necessitating rebuilds or replacements after several hundred thousand miles. Consistent fluid changes and prompt attention to minor issues are key to maximizing its lifespan.
What Technology & Safety Features are Included?
The 1989 GMC Suburban, by modern standards, offered very basic technology, entertainment, and safety features, reflecting the era's automotive landscape.
Built-in Tech & Entertainment: The primary entertainment system was typically an AM/FM radio, often with a cassette player as an option. Higher trim levels like the SLE might have offered upgraded speaker systems. Climate control was handled by a manual HVAC system, with air conditioning being an option on many models and standard on higher trims. Features like cruise control were also optional or part of higher trim packages.
Driver-Assistance Features: Driver-assistance technologies as we know them today were non-existent. The focus was on basic functionality. Features like power steering and power brakes were standard, making it easier to maneuver the large vehicle. Four-wheel drive, if optioned, provided enhanced capability in slippery conditions but was not an electronic driver-assistance system.
Safety Features: Safety features were minimal by current standards. Standard equipment included seat belts for all occupants. Front disc brakes and rear drum brakes provided stopping power. Anti-lock braking systems (ABS) were not widely available or standard on this model year. Airbags were not standard equipment on most GMC vehicles in 1989, and the Suburban was no exception. Side-impact protection was limited by the vehicle's inherent structural design.
Optional Features: Beyond the infotainment and HVAC options, buyers could opt for features like running boards, different seating configurations, and a towing package that included a hitch receiver and trailer brake controller wiring. A rear defogger and intermittent wipers were also desirable optional upgrades.
Crash-Test Ratings: Official government crash-test ratings (like NHTSA's star ratings) were not as standardized or widely published for vehicles of this era as they are today. However, large, heavy body-on-frame SUVs like the Suburban generally offered a degree of passive safety due to their mass in frontal impacts, but they also posed a greater risk to smaller vehicles. Lateral impact protection and rollover resistance were areas where these older designs typically lagged behind modern standards. Manufacturers relied more on internal testing and occupant restraint systems rather than comprehensive public crash-test data.
Built-in Tech & Entertainment: The primary entertainment system was typically an AM/FM radio, often with a cassette player as an option. Higher trim levels like the SLE might have offered upgraded speaker systems. Climate control was handled by a manual HVAC system, with air conditioning being an option on many models and standard on higher trims. Features like cruise control were also optional or part of higher trim packages.
Driver-Assistance Features: Driver-assistance technologies as we know them today were non-existent. The focus was on basic functionality. Features like power steering and power brakes were standard, making it easier to maneuver the large vehicle. Four-wheel drive, if optioned, provided enhanced capability in slippery conditions but was not an electronic driver-assistance system.
Safety Features: Safety features were minimal by current standards. Standard equipment included seat belts for all occupants. Front disc brakes and rear drum brakes provided stopping power. Anti-lock braking systems (ABS) were not widely available or standard on this model year. Airbags were not standard equipment on most GMC vehicles in 1989, and the Suburban was no exception. Side-impact protection was limited by the vehicle's inherent structural design.
Optional Features: Beyond the infotainment and HVAC options, buyers could opt for features like running boards, different seating configurations, and a towing package that included a hitch receiver and trailer brake controller wiring. A rear defogger and intermittent wipers were also desirable optional upgrades.
Crash-Test Ratings: Official government crash-test ratings (like NHTSA's star ratings) were not as standardized or widely published for vehicles of this era as they are today. However, large, heavy body-on-frame SUVs like the Suburban generally offered a degree of passive safety due to their mass in frontal impacts, but they also posed a greater risk to smaller vehicles. Lateral impact protection and rollover resistance were areas where these older designs typically lagged behind modern standards. Manufacturers relied more on internal testing and occupant restraint systems rather than comprehensive public crash-test data.
What Colors Options are Available?
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In the meantime, feel free to explore the other sections for more content.
1989 GMC Suburban Prices and Market Value
When new, a 1989 GMC Suburban typically ranged from approximately $20,000 to over $30,000 depending on the trim level and options. As a large, truck-based SUV from the late 80s, these vehicles experienced significant depreciation in their early years, as is common for most vehicles. However, over the past decade, well-maintained examples, especially those with desirable configurations like 4WD or the larger engine, have seen their value stabilize or even appreciate, particularly among collectors or those seeking utility vehicles. Current used market prices for the 1989 Suburban can vary widely, from a few thousand dollars for rough examples needing extensive work, to $8,000-$15,000 or more for clean, low-mileage, well-optioned models. Factors affecting resale value include condition, mileage, maintenance history, rust presence, and the desirability of specific options.
1989 GMC Suburban Cost of Ownership
Owning a 1989 GMC Suburban is generally not economical. Fuel costs will be substantial due to its V8 engines and poor fuel economy (around 10-14 MPG combined). Insurance premiums can be moderate, depending on coverage and driver history. Maintenance costs are average for a vehicle of its age, with regular fluid changes being essential. However, repair costs can be significant, especially for rust remediation, powertrain issues, or aging electrical components. While parts are generally available, specialized repairs can add up. This is a costly vehicle to own long-term, primarily driven by fuel and potential repair expenses.
1989 GMC Suburban Fuel Efficiency
Fuel Type
Diesel
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
1989 GMC Suburban Recalls & Defects
Seats
Recall date
1993-11-16
Recall no.
93v187000
Source
NHTSA
Summary
THE Recliner Mechanism and THE Seat Frame MAY Have Foam And/Or Vinyl Between Them, Creating A "soft" Joint. This "soft" Joint Results IN Lower Than Specified Bolt Torque Which Leads TO Joint Looseness, Causing Bolt Fatigue and Eventual Bolt Failure.
Consequence
IF Bolt Failure Occurs TO THE Driver's Seat, IT Wouldallow THE Seat Back TO Suddenly Recline, and Could Result IN Loss OF Vehiclecontrol and A Vehicle Crash Without Prior Warning.
Remedy
Dealers Will Remove THE Foam And/Or Vinyl From Between THE Recliner Mechanism and THE Seat Frame "soft" Joint and Replace THE Recliner Bolts.
Notes
System: Interior Systems; Seat Tracks, Anchors, and Seats.vehicle Description: Vans and Utility Vehicles Equipped With Bucket Seats Withknob Type Recliner Mechanisms.note: IF Your Vehicle IS Presented TO AN Authorized Dealer ON AN Agreed Uponservice Date and THE Remedy IS NOT Provided Within A Reasonable Time and Freeof Charge or THE Remedy Does NOT Correct THE Defect or Noncompliance, Pleasecontact THE GMC Service Center AT 1-313-456-4547 or THE Chevrolet Service Centerat 1-800-222-1020. Also, Please Contact THE National Highway Traffic Safetyadministration's Auto Safety Hotline AT 1-800-424-9393.
Power Train:automatic Transmission
Recall date
1993-02-01
Recall no.
93v016000
Source
NHTSA
Summary
Unanticipated Heat IN THE Transmission CAN Force THE Transmission Fluid OUT OF THE Vent Tube.
Consequence
THE Vented Transmission Fluid CAN Catch Fire IF Exposedto A Source OF Ignition.
Remedy
Install A Longer Transmission Vent Hose Routed TO THE Left Side OF THE Engine Compartment OF THE Vehicle.
Notes
System: Power Train.vehicle Description: Light Trucks With 5.0 L, 5.7 L, and 7.4 L Engines and 4l60,4l60-E, and 3l80 Automatic Transmissions.
1989 GMC Suburban 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
1989 GMC Suburban Insurance
Insurance for a 1989 GMC Suburban is moderately priced, reflecting its status as a Sport Utility Vehicle with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 1989 GMC Suburban Compare to Other Sport Utility Vehicle?
In its class, the 1989 GMC Suburban competed primarily against its stablemate, the Chevrolet Suburban, as they shared the same platform and most mechanical components. Other key rivals included large SUVs like the Ford Bronco and, to some extent, the Jeep Grand Wagoneer, though the latter was positioned as a more luxury-oriented option.
Performance: The Suburban typically offered more powerful V8 engine options than the standard Bronco of that era, giving it an edge in towing and hauling capacity. Its truck-based chassis provided robust performance for off-road and heavy-duty use. Features were comparable, with both offering basic amenities for their time.
Features: Compared to the Ford Bronco, the Suburban offered significantly more passenger and cargo space, making it the superior choice for larger families or those needing maximum utility. The Jeep Grand Wagoneer, while more refined and luxurious, came at a considerably higher price point. The Suburban offered a strong balance of capability and practicality.
Reliability: Both the Suburban and the Bronco were known for their ruggedness, but both are susceptible to rust. The Suburban's powertrain reliability is generally considered good for its era, with well-maintained examples proving durable. However, older vehicles of any make can be prone to age-related issues.
Price: When new, the Suburban and Bronco were similarly priced, with the Grand Wagoneer being significantly more expensive. In the used market today, well-preserved Suburbans can hold their value well due to their utility.
Alternatives:
The 1989 GMC Suburban remains a strong contender for those prioritizing raw utility and passenger capacity over fuel efficiency and modern amenities, especially when compared to its direct contemporaries.
Performance: The Suburban typically offered more powerful V8 engine options than the standard Bronco of that era, giving it an edge in towing and hauling capacity. Its truck-based chassis provided robust performance for off-road and heavy-duty use. Features were comparable, with both offering basic amenities for their time.
Features: Compared to the Ford Bronco, the Suburban offered significantly more passenger and cargo space, making it the superior choice for larger families or those needing maximum utility. The Jeep Grand Wagoneer, while more refined and luxurious, came at a considerably higher price point. The Suburban offered a strong balance of capability and practicality.
Reliability: Both the Suburban and the Bronco were known for their ruggedness, but both are susceptible to rust. The Suburban's powertrain reliability is generally considered good for its era, with well-maintained examples proving durable. However, older vehicles of any make can be prone to age-related issues.
Price: When new, the Suburban and Bronco were similarly priced, with the Grand Wagoneer being significantly more expensive. In the used market today, well-preserved Suburbans can hold their value well due to their utility.
Alternatives:
- Chevrolet Suburban (same era): Functionally identical, often a more readily available option.
- Ford Bronco (full-size, late 80s/early 90s): A capable off-roader but generally smaller and less focused on passenger hauling than the Suburban.
- Dodge Ramcharger: Another V8-powered, body-on-frame SUV, though less common and often with a less refined interior than the Suburban.
- Modern Full-Size SUVs (e.g., newer Chevrolet Tahoe/Suburban, Ford Expedition): If utility and space are paramount but reliability and modern features are also desired, these are far superior, albeit much more expensive and with a completely different ownership experience.
The 1989 GMC Suburban remains a strong contender for those prioritizing raw utility and passenger capacity over fuel efficiency and modern amenities, especially when compared to its direct contemporaries.
Final Verdict: Is the 1989 GMC Suburban a Good Sport Utility Vehicle?
The 1989 GMC Suburban is ideal for buyers who prioritize immense space, towing capability, and rugged utility above all else, and who have a tolerance for the compromises of an older vehicle. It is well-suited for large families, outdoor enthusiasts needing to haul gear and trailers, or those who appreciate classic American utility vehicles.
Whether it's worth buying depends heavily on the specific vehicle and the buyer's needs. For individuals seeking a project vehicle or a capable hauler that doesn't need to be cosmetically perfect, a well-maintained 1989 Suburban can be a good value. However, it is crucial to inspect thoroughly for rust and mechanical issues. Buying used is the only option, and focusing on examples with comprehensive maintenance records and in good mechanical and structural condition is paramount. Lower trim levels offer basic functionality, while SLE trims add comfort. It's not a practical daily driver for most due to fuel costs and potential repair needs, but for its specific niche, it remains a capable icon.
Whether it's worth buying depends heavily on the specific vehicle and the buyer's needs. For individuals seeking a project vehicle or a capable hauler that doesn't need to be cosmetically perfect, a well-maintained 1989 Suburban can be a good value. However, it is crucial to inspect thoroughly for rust and mechanical issues. Buying used is the only option, and focusing on examples with comprehensive maintenance records and in good mechanical and structural condition is paramount. Lower trim levels offer basic functionality, while SLE trims add comfort. It's not a practical daily driver for most due to fuel costs and potential repair needs, but for its specific niche, it remains a capable icon.
Simon A
Simon is a contributor to VinCheck, where he provides articles and reviews on various automotive topics. His work focuses on delivering accurate and up-to-date information about used cars, helping readers make informed decisions.