The Chevrolet Tahoe (GMT900) 5.3L V8 with all-wheel drive and an automatic transmission represents a significant iteration of Chevrolet’s full-size SUV, produced from 2007 through 2009. This variant occupied a sweet spot in the Tahoe lineup, offering a balance of capability, space, and relative affordability compared to the higher-trim levels. It was part of the GMT900 platform generation, which brought substantial improvements in ride quality, interior refinement, and safety features over its predecessor. The Tahoe, in general, served as a cornerstone of Chevrolet’s SUV offerings in the North American market, catering to families and those needing substantial towing and cargo capacity.
Technical Specifications
| Brand | Chevrolet |
| Model | Tahoe |
| Generation | Tahoe (GMT900) |
| Type (Engine) | 5.3L i V8 (324 Hp) AWD Automatic |
| Start of production | 2007 |
| End of production | 2009 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 9 |
| Doors | 5 |
| Fuel consumption (urban) | 15.7 l/100 km (15 US mpg, 18 UK mpg) |
| Fuel consumption (extra urban) | 11.2 l/100 km (21 US mpg, 25.2 UK mpg) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 8.5 sec |
| Acceleration 0 – 62 mph | 8.5 sec |
| Acceleration 0 – 60 mph | 8.1 sec |
| Maximum speed | 180 km/h (111.85 mph) |
| Weight-to-power ratio | 7.9 kg/Hp |
| Weight-to-torque ratio | 5.6 kg/Nm |
| Power | 324 Hp @ 5300 rpm |
| Torque | 461 Nm @ 4200 rpm (340.02 lb.-ft. @ 4200 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | LY5 |
| Engine displacement | 5327 cm3 (325.07 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 96 mm (3.78 in.) |
| Piston Stroke | 92 mm (3.62 in.) |
| Compression ratio | 9.9:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated |
| Engine oil capacity | 5.7 l (6.02 US qt | 5.02 UK qt) |
| Coolant capacity | 17.3 l (18.28 US qt | 15.22 UK qt) |
| Kerb Weight | 2570 kg (5665.88 lbs.) |
| Max. weight | 3311 kg (7299.51 lbs.) |
| Max load | 741 kg (1633.63 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 track | 1702 mm (67.01 in.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears | 4 |
| Gearbox type | Automatic transmission |
| Front suspension | Independent, 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) |
| Tires size | 265/70 R17 |
| Wheel rims size | 17 |
Powertrain & Engine Architecture
The heart of this Tahoe variant is the 5.3-liter LY5 V8 engine. This engine is a member of Chevrolet’s Small-Block V8 family, known for its durability and relatively simple design. The LY5 features a cast iron block with aluminum cylinder heads, contributing to a robust and reliable powertrain. It utilizes a multi-port fuel injection system, delivering fuel directly to each cylinder for efficient combustion. The engine produces 324 horsepower at 5300 rpm and 340 lb-ft of torque at 4200 rpm. The torque output is particularly important for a full-size SUV, providing ample pulling power for towing and hauling. The engine is paired with a four-speed automatic transmission (likely the 4L60E), chosen for its durability and suitability for truck applications. While not the most technologically advanced transmission by modern standards, it was a workhorse known for its reliability.
Driving Characteristics
The 5.3L V8 and four-speed automatic combination in the Tahoe delivered a comfortable and capable driving experience. Acceleration from 0-60 mph was around 8.1 seconds, respectable for a vehicle of this size and weight. The automatic transmission, while not offering the responsiveness of a manual, provided smooth shifts and made the Tahoe easy to drive in various conditions. The all-wheel-drive system enhanced traction, particularly in inclement weather or on slippery surfaces. Compared to the 5.7L V8 offered in some Tahoe trims, the 5.3L provided slightly less peak power but offered better fuel economy. Against the diesel options, the 5.3L lacked the low-end torque of the Duramax diesel, making it less ideal for heavy-duty towing, but it was quieter and less expensive to maintain.
Equipment & Trim Levels
The 5.3L AWD Tahoe typically came standard with features like air conditioning, power windows and locks, a CD player, and cloth upholstery. Higher trim levels, such as the LT, added features like leather seats, a Bose sound system, and heated front seats. Optional extras included a navigation system, rear-seat entertainment system, and a sunroof. The interior design was functional and spacious, prioritizing practicality over luxury. The third-row seating was a key selling point, allowing the Tahoe to accommodate up to nine passengers.
Chassis & Braking
The GMT900 Tahoe featured a body-on-frame construction, providing a robust and durable chassis. The front suspension utilized an independent McPherson strut design with coil springs and an anti-roll bar, while the rear suspension employed an independent multi-link setup. This suspension configuration aimed to provide a comfortable ride while maintaining good handling characteristics. Braking duties were handled by disc brakes on all four wheels, supplemented by an anti-lock braking system (ABS) for enhanced safety. The Tahoe’s substantial weight necessitated a capable braking system to ensure adequate stopping power.
Market Reception & Comparison
The 5.3L AWD Tahoe was generally well-received by critics and consumers alike. It was praised for its spacious interior, comfortable ride, and strong V8 engine. Fuel economy, however, was a common criticism, with the Tahoe achieving around 15 mpg in the city and 21 mpg on the highway. Compared to the 5.7L V8 Tahoe, the 5.3L offered a more balanced combination of performance and fuel efficiency. The diesel-powered Tahoe, while more expensive, provided superior towing capacity and fuel economy. The 5.3L AWD model represented a popular choice for buyers seeking a versatile and capable SUV without the added cost of the higher-trim levels.
Legacy
The GMT900 Tahoe 5.3L V8 AWD has proven to be a relatively reliable vehicle in the used car market. The LY5 engine is known for its longevity, and the four-speed automatic transmission, while not the most efficient, is generally durable. Common maintenance items include oil changes, fluid flushes, and occasional repairs to the suspension components. Today, these Tahoes are often found being used as family vehicles, tow vehicles, or even converted for off-road use. Their spacious interiors and robust construction continue to make them a popular choice for those needing a large and capable SUV.
