The 1999 AM General HUMMER, a civilian version of the military HMMWV, is an iconic off-road powerhouse. Produced from 1992 to 2006, it came in various body styles, including the 2-door soft top, 4-door wagon, and pickup. Its imposing presence, go-anywhere capability, and distinctive styling made it a symbol of ruggedness and adventure, appealing to those seeking a vehicle with unparalleled off-road prowess and a bold aesthetic.
The Good
The 1999 HUMMER boasts exceptional off-road performance and a unique, commanding design that evokes a sense of adventure. Its robust construction offers a sense of security, while its distinctive presence delivers emotional appeal. Practically, its durable build suggests long-term potential, though efficiency and comfort are secondary to its primary strengths.
The Bad
Potential buyers of a 1999 HUMMER should be aware of its notoriously poor fuel economy, limited on-road comfort, and relatively basic interior amenities. Maintenance can be costly due to specialized parts and the vehicle's robust, albeit sometimes complex, systems. Visibility can also be a challenge.
1999 AM General HUMMER: Quick Overview
- Engine Options: The 1999 AM General HUMMER primarily offered two engine options:
- 6.5L Turbo-Diesel V8
- 5.7L V8 Gasoline (less common in 1999 models for civilian market)
- Horsepower:
- 6.5L Turbo-Diesel V8: Approximately 190 hp
- 5.7L V8 Gasoline: Approximately 190 hp (varies slightly by application)
- Fuel Economy: Extremely poor, typically in the single digits (MPG). Expect around 10-12 MPG city and 12-15 MPG highway, but often lower in real-world off-road conditions.
- 0-60 Times: Very slow, generally in the 15-20 second range, due to its heavy weight and less powerful engines.
- Towing Capacity: Varies by configuration, but generally around 5,000 to 8,000 lbs, depending on the specific model and chassis.
- Trim-Level Features (1999 Model Year): The 1999 AM General HUMMER didn't have distinct 'trims' in the traditional sense but offered various body styles and configurations. Key features across models generally included:
- Body Styles:
- 2-Door Soft Top (Open-air experience)
- 4-Door Wagon (Most common civilian model, seating up to 6)
- Pickup Truck (Less common)
- SUV (More enclosed and comfortable)
- Standard Features often included:
- Four-wheel drive (4WD) with a central tire inflation system (CTIS)
- Heavy-duty suspension and braking system
- Power steering
- Limited-slip differentials
- Heavy-duty axles
- Torsen center differential
- Optional: Air conditioning, power windows and locks, premium sound system, leather seating, upgraded wheels, brush guards, winches, and auxiliary lighting for off-road use.
- The focus was on ruggedness and off-road capability rather than luxury or advanced technology.
1999 AM General HUMMER Specifications
Vehicle Information
| Year | 1999 |
| Make | AM General |
| Model | HUMMER |
| Trim | - |
| Style | 2-Door Hard Top |
| Type | Sport Utility Vehicle |
| Category | Standard Sport Utility Vehicle |
Manufacturing Details
| Made In | United States |
| Manufacturing City | MISHAWAKA |
Dimensions
| Doors | 2-Door |
| Curb Weight | 6500 pounds |
| Gross Vehicle Weight Rating | 10300 pounds |
| Overall Height | 75.00 inches |
| Overall Length | 184.50 inches |
| Overall Width | 86.50 inches |
| Wheelbase Length | 130.00 inches |
| Standard Seating | 2 |
Engine & Performance
| Engine | 6.5L V8 |
| Engine Size | 6.5L |
| Engine Cylinders | 8 |
| Transmission | 4-Speed Automatic |
| Transmission Type | Automatic |
| Transmission Speeds | 4-Speed |
| Drivetrain | Four-Wheel Drive |
Additional Features
| Anti-Brake System | 4-Wheel ABS |
| Steering Type | Recirculating |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | $68,362 |
| Invoice Price | $61,587 |
| Delivery Charges | - |
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What Problems Does the 1999 AM General HUMMER Have?
The 1999 AM General HUMMER, while built like a tank, is not without its common issues and reliability considerations, especially given its age and intended use. One of the most frequently reported concerns revolves around the powertrain, particularly the 6.5L Turbo-Diesel engine. While generally robust, these engines can suffer from issues such as injector pump failures, glow plug problems, and, in some cases, head gasket failures, especially if not properly maintained or if pushed too hard. The cooling system can also be a point of concern, with radiator leaks and fan clutch failures being somewhat common.
The transmission, whether automatic or manual, can also develop issues over time, particularly with high mileage or aggressive off-road use. Clunks, slipping, or difficulty shifting are indicators to watch for. The drivetrain components, including the differentials and transfer case, are generally very strong but can be susceptible to wear and tear from extreme use. Driveline vibration can also be an issue.
On the electrical side, due to the vehicle's age and exposure to the elements, electrical gremlins are not uncommon. This can manifest as faulty gauges, non-functional lights, or intermittent power issues. The wiring harnesses, though robust, can degrade over time. The braking system, while powerful, requires regular maintenance and can experience rotor warping or caliper issues. Steering components can also wear out, leading to looseness or leaks.
For the 1999 model year specifically, there weren't widespread, model-year-specific recalls that stand out dramatically from other years in the AM General HUMMER production run. However, general maintenance and attention to detail are crucial. Owners often report needing to address suspension components like bushings and ball joints due to the vehicle's weight and off-road capabilities. The central tire inflation system (CTIS), a signature feature, can also be a source of leaks or malfunctions.
Long-term reliability hinges heavily on the previous owner's maintenance habits and how the vehicle was used. A well-maintained HUMMER can be quite reliable, but expect higher maintenance costs and the potential for repairs simply due to the complexity and rugged nature of the vehicle. It's vital to have a thorough pre-purchase inspection by a mechanic familiar with these vehicles.
The transmission, whether automatic or manual, can also develop issues over time, particularly with high mileage or aggressive off-road use. Clunks, slipping, or difficulty shifting are indicators to watch for. The drivetrain components, including the differentials and transfer case, are generally very strong but can be susceptible to wear and tear from extreme use. Driveline vibration can also be an issue.
On the electrical side, due to the vehicle's age and exposure to the elements, electrical gremlins are not uncommon. This can manifest as faulty gauges, non-functional lights, or intermittent power issues. The wiring harnesses, though robust, can degrade over time. The braking system, while powerful, requires regular maintenance and can experience rotor warping or caliper issues. Steering components can also wear out, leading to looseness or leaks.
For the 1999 model year specifically, there weren't widespread, model-year-specific recalls that stand out dramatically from other years in the AM General HUMMER production run. However, general maintenance and attention to detail are crucial. Owners often report needing to address suspension components like bushings and ball joints due to the vehicle's weight and off-road capabilities. The central tire inflation system (CTIS), a signature feature, can also be a source of leaks or malfunctions.
Long-term reliability hinges heavily on the previous owner's maintenance habits and how the vehicle was used. A well-maintained HUMMER can be quite reliable, but expect higher maintenance costs and the potential for repairs simply due to the complexity and rugged nature of the vehicle. It's vital to have a thorough pre-purchase inspection by a mechanic familiar with these vehicles.
How long will the 1999 AM General HUMMER last?
The 1999 AM General HUMMER is built for extreme durability and, with diligent maintenance, can achieve very high mileage. It's not uncommon to find examples with 200,000 to 300,000 miles or more on the odometer. The core chassis and drivetrain components, particularly the 6.5L Turbo-Diesel engine, are designed for longevity. However, this durability comes with a caveat: ongoing maintenance is absolutely critical. Weaknesses that emerge over time often relate to wear and tear on suspension components, seals, and rubber bushings due to the vehicle's substantial weight and potential for hard use. Electrical system issues can also develop with age. With regular fluid changes, attention to the cooling system, and prompt repair of any emerging problems, a 1999 HUMMER can offer decades of service, truly showcasing its robust engineering.
What Technology & Safety Features are Included?
The 1999 AM General HUMMER is a study in functional simplicity when it comes to technology, driver-assistance, and safety features, reflecting its military heritage and primary focus on off-road capability rather than creature comforts. Built-in tech is minimal; expect a basic AM/FM radio, often with a cassette player, and perhaps an optional CD player. Power windows and door locks were available but not standard on all configurations. The climate control system is typically straightforward, with manual air conditioning being an option.
Driver-assistance features as we know them today were virtually nonexistent in 1999. There were no advanced cruise control systems, lane departure warnings, or blind-spot monitoring. The focus was on the driver's direct engagement with the vehicle and the terrain. The defining technological feature for many models was the Central Tire Inflation System (CTIS), allowing the driver to adjust tire pressure on the fly for various surfaces, a significant advantage for off-road enthusiasts.
Safety features are also basic by modern standards. The 1999 HUMMER typically came equipped with seatbelts for all occupants and perhaps airbags for the driver and front passenger, though availability varied by specific body style and option packages. ABS (Anti-lock Braking System) was often an option. Due to its substantial weight and robust construction, the HUMMER offers a sense of inherent passive safety. However, formal crash-test ratings from organizations like the NHTSA or IIHS for the 1999 AM General HUMMER are generally not available or comparable to modern vehicles, as testing protocols and standards have evolved significantly since its production. The vehicle's high center of gravity and utilitarian design mean it was not tested to the same rigorous standards as contemporary passenger cars or SUVs. Owners looking for advanced safety or entertainment systems will find the 1999 HUMMER lacking in these areas.
Driver-assistance features as we know them today were virtually nonexistent in 1999. There were no advanced cruise control systems, lane departure warnings, or blind-spot monitoring. The focus was on the driver's direct engagement with the vehicle and the terrain. The defining technological feature for many models was the Central Tire Inflation System (CTIS), allowing the driver to adjust tire pressure on the fly for various surfaces, a significant advantage for off-road enthusiasts.
Safety features are also basic by modern standards. The 1999 HUMMER typically came equipped with seatbelts for all occupants and perhaps airbags for the driver and front passenger, though availability varied by specific body style and option packages. ABS (Anti-lock Braking System) was often an option. Due to its substantial weight and robust construction, the HUMMER offers a sense of inherent passive safety. However, formal crash-test ratings from organizations like the NHTSA or IIHS for the 1999 AM General HUMMER are generally not available or comparable to modern vehicles, as testing protocols and standards have evolved significantly since its production. The vehicle's high center of gravity and utilitarian design mean it was not tested to the same rigorous standards as contemporary passenger cars or SUVs. Owners looking for advanced safety or entertainment systems will find the 1999 HUMMER lacking in these areas.
What Colors Options are Available?
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In the meantime, feel free to explore the other sections for more content.
1999 AM General HUMMER Prices and Market Value
When new, the 1999 AM General HUMMER had a significant price tag, typically starting in the high $40,000s and quickly escalating to $60,000 or more for well-optioned models, depending on the body style and customization. These vehicles were positioned as premium, niche products. In the current used market, prices for a 1999 HUMMER can vary widely, ranging from around $15,000 for models with high mileage or in need of significant work, to upwards of $30,000 or even more for exceptionally well-maintained, low-mileage examples, especially desirable body styles like the 4-door wagon. Depreciation on these vehicles was initially steep, but their unique appeal and cult status have helped them hold value remarkably well in recent years, particularly for pristine examples. Factors affecting resale value include mileage, condition, maintenance history, rarity of the configuration, and overall cosmetic and mechanical soundness.
1999 AM General HUMMER Cost of Ownership
Owning a 1999 AM General HUMMER is generally a costly endeavor. Insurance premiums can be higher than average due to the vehicle's specialized nature and replacement cost. Fuel costs are exceptionally high; the 6.5L Turbo-Diesel, while more efficient than its gasoline counterpart, still delivers poor MPG, making daily driving expensive. Maintenance and repair costs are also significant. Parts can be specialized and pricier, and specialized mechanics are often required. Long-term ownership leans heavily towards the costly side due to its thirst for fuel and the potential for expensive repairs on its robust, but complex, systems. It is by no means an economical vehicle to own.
1999 AM General HUMMER Fuel Efficiency
Fuel Type
Diesel
Fuel Capacity
42.00 gallons
City Mileage
-
Highway Mileage
-
1999 AM General HUMMER Safety Rating
NHTSA
IIHS
1999 AM General HUMMER 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 AM General HUMMER Insurance
Insurance for a 1999 AM General HUMMER 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 1999 AM General HUMMER Compare to Other Sport Utility Vehicle?
When comparing the 1999 AM General HUMMER to its contemporaries, its 'class' is quite unique, largely defined by its extreme off-road prowess and iconic military-derived design. Rivals in terms of sheer off-road capability might include vehicles like the Jeep Wrangler, Toyota Land Cruiser, or early Ford Broncos. However, none offer the HUMMER's imposing presence and sheer width.
Performance: In terms of on-road performance, the HUMMER is outmatched by most rivals. Its acceleration is slow, handling is ponderous, and ride comfort is rudimentary compared to a Land Cruiser or even a well-equipped Jeep Grand Cherokee. Off-road, however, the HUMMER excels due to its massive ground clearance, approach/departure angles, and the central tire inflation system. A Jeep Wrangler offers superior articulation and a more nimble feel off-road, but the HUMMER simply bulldozes through obstacles.
Features: Competitors like the Toyota Land Cruiser and Ford Explorer offered far more in terms of interior amenities, technology, and creature comforts in 1999. The HUMMER's interior is utilitarian and basic, prioritizing function over luxury. Even a higher-trim Jeep Grand Cherokee might offer more modern features.
Reliability: While built robustly, the HUMMER's complexity and specialized nature can lead to higher maintenance costs and specific repair needs compared to more mainstream SUVs. A Toyota Land Cruiser is renowned for its bulletproof reliability and longevity with less fuss. A Jeep Wrangler, while having its own set of common issues, is generally simpler mechanically.
Price: The HUMMER was significantly more expensive when new than most of its rivals. Used, while depreciated, they still command a premium due to their unique status. A comparable used Toyota Land Cruiser or Jeep Grand Cherokee would likely be significantly cheaper.
Alternatives: If extreme off-road capability is the primary goal and budget is less of a concern, the 1999 HUMMER is in a class of its own for its visual impact and military heritage. However, for a more balanced blend of on-road manners, off-road capability, and reliability, a used **Toyota Land Cruiser (e.g., 100-series)** or a **Jeep Wrangler Rubicon** (though less comfortable) are strong contenders. For a more comfortable SUV with decent off-road chops, a **Ford Explorer** or **Jeep Grand Cherokee** might be more practical, though less specialized. If the iconic look is the main draw, there are few direct alternatives to the HUMMER itself.
Performance: In terms of on-road performance, the HUMMER is outmatched by most rivals. Its acceleration is slow, handling is ponderous, and ride comfort is rudimentary compared to a Land Cruiser or even a well-equipped Jeep Grand Cherokee. Off-road, however, the HUMMER excels due to its massive ground clearance, approach/departure angles, and the central tire inflation system. A Jeep Wrangler offers superior articulation and a more nimble feel off-road, but the HUMMER simply bulldozes through obstacles.
Features: Competitors like the Toyota Land Cruiser and Ford Explorer offered far more in terms of interior amenities, technology, and creature comforts in 1999. The HUMMER's interior is utilitarian and basic, prioritizing function over luxury. Even a higher-trim Jeep Grand Cherokee might offer more modern features.
Reliability: While built robustly, the HUMMER's complexity and specialized nature can lead to higher maintenance costs and specific repair needs compared to more mainstream SUVs. A Toyota Land Cruiser is renowned for its bulletproof reliability and longevity with less fuss. A Jeep Wrangler, while having its own set of common issues, is generally simpler mechanically.
Price: The HUMMER was significantly more expensive when new than most of its rivals. Used, while depreciated, they still command a premium due to their unique status. A comparable used Toyota Land Cruiser or Jeep Grand Cherokee would likely be significantly cheaper.
Alternatives: If extreme off-road capability is the primary goal and budget is less of a concern, the 1999 HUMMER is in a class of its own for its visual impact and military heritage. However, for a more balanced blend of on-road manners, off-road capability, and reliability, a used **Toyota Land Cruiser (e.g., 100-series)** or a **Jeep Wrangler Rubicon** (though less comfortable) are strong contenders. For a more comfortable SUV with decent off-road chops, a **Ford Explorer** or **Jeep Grand Cherokee** might be more practical, though less specialized. If the iconic look is the main draw, there are few direct alternatives to the HUMMER itself.
Final Verdict: Is the 1999 AM General HUMMER a Good Sport Utility Vehicle?
The 1999 AM General HUMMER is ideal for a very specific buyer: the enthusiast who prioritizes extreme off-road capability, a commanding presence, and iconic status over fuel efficiency, on-road comfort, and modern technology. It's worth buying for those who seek a vehicle that can conquer virtually any terrain and turn heads everywhere it goes. However, potential buyers must be prepared for substantial running costs, including high fuel consumption and potentially expensive maintenance. It is unequivocally best purchased used, as new examples are not available, and the used market is the only entry point. Specific trims like the 4-door wagon offer more practicality for passengers. Thorough inspection and a willingness to invest in upkeep are essential for a rewarding ownership experience.
Cathleen V
Cathleen is an exceptional freelance writer covering hot topics in the automotive world from a gearhead's perspective. Her articles delve into various aspects of automotive technology and history, offering readers detailed insights into engine performance, reliability, and maintenance. Through her engaging and informative writing, Cathleen provides valuable information to automotive enthusiasts and consumers alike, helping them make informed decisions about vehicle maintenance and purchases.