The Chevrolet Tahoe (GMT900) 6.2L V8 AWD Automatic, produced for the 2008 and 2009 model years, represented a significant iteration of Chevrolet’s full-size SUV. Part of the fourth-generation Tahoe (GMT900 series), this variant occupied the premium end of the Tahoe lineup, offering substantial power and all-wheel-drive capability. It was positioned above the base 4.8L and 5.3L models, catering to buyers needing maximum towing capacity and performance. The GMT900 platform marked a shift towards more refined interiors and improved ride quality compared to previous generations, while maintaining the Tahoe’s reputation for spaciousness and utility.
Technical Specifications
| Brand | Chevrolet |
| Model | Tahoe |
| Generation | Tahoe (GMT900) |
| Type (Engine) | 6.2L i V8 (395 Hp) AWD Automatic |
| Start of production | 2008 |
| End of production | 2009 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 9 |
| Doors | 5 |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 6.4 kg/Hp, 156.6 Hp/tonne |
| Weight-to-torque ratio | 4.5 kg/Nm, 224 Nm/tonne |
| Power | 395 Hp @ 5600 rpm |
| Power per litre | 64.1 Hp/l |
| Torque | 565 Nm @ 4300 rpm, 416.72 lb.-ft. @ 4300 rpm |
| Maximum engine speed | 6000 rpm |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | L92 |
| Engine displacement | 6162 cm3, 376.03 cu. in. |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 103.25 mm, 4.06 in. |
| Piston Stroke | 92 mm, 3.62 in. |
| Compression ratio | 10.5:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Engine oil capacity | 5.7 l, 6.02 US qt | 5.02 UK qt |
| Coolant | 16.7 l, 17.65 US qt | 14.69 UK qt |
| Kerb Weight | 2522 kg, 5560.06 lbs |
| Max. weight | 3311 kg, 7299.51 lbs |
| Max load | 789 kg, 1739.45 lbs |
| Trunk (boot) space – minimum | 479 l, 16.92 cu. ft. |
| Trunk (boot) space – maximum | 3084 l, 108.91 cu. ft. |
| Fuel tank capacity | 98 l, 25.89 US gal | 21.56 UK gal |
| Length | 5130 mm, 201.97 in. |
| Width | 2007 mm, 79.02 in. |
| Height | 1955 mm, 76.97 in. |
| Wheelbase | 2946 mm, 115.98 in. |
| Front track | 1732 mm, 68.19 in. |
| Rear (Back) track | 1702 mm, 67.01 in. |
| Ride height (ground clearance) | 289 mm, 11.38 in. |
| Minimum turning circle (turning diameter) | 11.9 m, 39.04 ft. |
| Approach angle | 17° |
| Departure angle | 21.9° |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 6 gears, automatic transmission |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Disc |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 265/70 R17 |
| Wheel rims size | 7.5J x 17 |
Powertrain & Engine Architecture
The heart of this Tahoe variant is the 6.2-liter L92 V8 engine. This engine, part of GM’s Generation IV small-block family, is a naturally aspirated, overhead valve (OHV) design. It features aluminum cylinder heads and a cast iron block. The L92 utilizes a multi-port fuel injection system, delivering fuel directly to each cylinder. The engine’s 10.5:1 compression ratio contributes to its high output. Paired with the engine is a six-speed automatic transmission (likely the 6L80E), chosen for its smooth shifting and ability to handle the engine’s substantial torque. This transmission offered a wider gear ratio spread than previous four-speed automatics, improving both acceleration and fuel economy. The automatic transmission was a key component of the Tahoe’s appeal for buyers prioritizing ease of use and comfort.
Driving Characteristics
The 6.2L V8 and six-speed automatic combination delivered a noticeably different driving experience compared to the lower-trim Tahoe models. With 395 horsepower and 416.72 lb-ft of torque, acceleration was brisk, especially considering the vehicle’s substantial weight. The six-speed automatic allowed the engine to remain in its optimal power band more frequently, providing responsive performance in various driving situations. While not a sports car, the Tahoe 6.2L offered ample power for towing, hauling, and merging onto highways. The automatic transmission’s gear ratios were tuned for a balance between acceleration and fuel efficiency, though fuel economy remained a compromise given the vehicle’s size and weight. Compared to the 5.3L V8, the 6.2L provided a significant boost in power, making it the preferred choice for those regularly towing heavy loads.
Equipment & Trim Levels
The 6.2L AWD Tahoe typically came well-equipped, often representing the highest trim level available (LTZ). Standard features generally included leather upholstery, heated front seats, a premium sound system, tri-zone automatic climate control, and power-adjustable pedals. Optional extras could include a rear-seat entertainment system, navigation, and sunroof. The interior design focused on providing a comfortable and upscale environment, with attention paid to materials and build quality. Exterior features often included chrome accents, alloy wheels, and power-adjustable running boards.
Chassis & Braking
The GMT900 Tahoe utilized a body-on-frame construction, providing a robust and durable platform. The suspension system consisted of an independent front suspension with coil springs and a multi-link independent rear suspension. This setup aimed to provide a comfortable ride while maintaining good handling characteristics. All-wheel drive was standard on this variant, enhancing traction in various weather conditions. Braking duties were handled by four-wheel disc brakes with ABS, providing adequate stopping power for the vehicle’s weight. Stabilizer bars were included at both the front and rear to reduce body roll during cornering.
Market Reception & Comparison
The 6.2L Tahoe AWD was generally well-received by automotive critics, who praised its powerful engine, comfortable ride, and spacious interior. However, its fuel economy was a common criticism, as expected for a vehicle of its size and capability. Compared to the 5.3L V8 Tahoe, the 6.2L offered a significant performance advantage, but at a higher price point. The 4.8L model served as the entry-level option, prioritizing affordability over power. Reliability was generally considered good, although the complexity of the engine and transmission could potentially lead to higher maintenance costs over the long term.
Legacy
The GMT900 Tahoe 6.2L V8 AWD holds a respectable position in the used car market. The L92 engine is known for its durability and relatively straightforward maintenance. While fuel economy remains a concern, the vehicle’s robust construction and powerful engine continue to appeal to buyers seeking a capable and spacious SUV. The six-speed automatic transmission has proven to be reliable, and parts availability is generally good. Today, these Tahoes are often sought after for towing, family transportation, and as a comfortable and capable all-weather vehicle. The GMT900 generation represented a significant step forward for the Tahoe, solidifying its position as a leading full-size SUV.
