The Chevrolet Tahoe (GMTT1XX, facelift 2024) equipped with the 5.3-liter V8 engine and Hydra-Matic transmission represents the latest iteration of Chevrolet’s full-size SUV, launched in October 2024. This variant occupies a central position within the Tahoe lineup, offering a balance between capability, comfort, and price. It builds upon the foundation of the GMTT1XX platform, a fully redesigned generation introduced in 2021, with the 2024 facelift bringing updated styling and technology. The Tahoe continues to be a dominant force in the American full-size SUV market, catering to families and those requiring substantial towing and passenger capacity.
Technical Specifications
| Brand | Chevrolet |
| Model | Tahoe |
| Generation | Tahoe (GMTT1XX, facelift 2024) |
| Type (Engine) | 5.3 V8 (355 Hp) Hydra-Matic |
| Start of production | October, 2024 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 7-9 |
| Doors | 5 |
| Fuel consumption (economy) – urban (EPA) | 15.7 l/100 km (15 US mpg, 18 UK mpg, 6.4 km/l) |
| Fuel consumption (economy) – extra urban (EPA) | 11.8 l/100 km (19.9 US mpg, 23.9 UK mpg, 8.5 km/l) |
| Fuel consumption (economy) – combined (EPA) | 13.8 l/100 km (17 US mpg, 20.5 UK mpg, 7.2 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 7 kg/Hp, 142.1 Hp/tonne |
| Weight-to-torque ratio | 4.8 kg/Nm, 207.7 Nm/tonne |
| Power | 355 Hp @ 5600 rpm |
| Power per litre | 66.6 Hp/l |
| Torque | 519 Nm @ 4100 rpm (382.79 lb.-ft. @ 4100 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | EcoTec3 / L84 |
| Engine displacement | 5328 cm3 (325.13 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 | 11:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Direct injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | OHV, VVT |
| Engine oil capacity | 7.6 l (8.03 US qt | 6.69 UK qt) |
| Coolant | 14.8 l (15.64 US qt | 13.02 UK qt) |
| Kerb Weight | 2499 kg (5509.35 lbs.) |
| Max. weight | 3331 kg (7343.6 lbs.) |
| Max load | 832 kg (1834.25 lbs.) |
| Fuel tank capacity | 91 l (24.04 US gal | 20.02 UK gal) |
| Permitted trailer load with brakes (12%) | 3810 kg (8399.61 lbs.) |
| Drivetrain Architecture | Rear wheel drive. Internal Combustion engine (ICE) |
| Number of gears and type of gearbox | 10 gears, automatic transmission Hydra-Matic |
| Front brakes | Ventilated discs, 343×30.4 mm |
| Rear brakes | Ventilated discs, 345×25.4 mm |
| Tires size | 265/65 R18; 275/55 R20; 275/60 R20; 275/50 R22; 285/40 R24 |
| Wheel rims size | 18; 20; 22; 24 |
Powertrain & Engine Architecture
The heart of this Tahoe variant is the 5.3-liter EcoTec3 L84 V8 engine. This engine utilizes direct injection, a technology that improves fuel efficiency and power output by injecting fuel directly into the combustion chamber. The engine also features Active Fuel Management (cylinder deactivation), which shuts down four cylinders during light-load driving conditions to further enhance fuel economy. The overhead valve (OHV) valvetrain, coupled with variable valve timing (VVT), optimizes engine performance across the rev range. The Hydra-Matic 10-speed automatic transmission is a key component, providing smooth and efficient gear changes. This transmission’s wide gear ratio spread allows the engine to operate in its optimal power band more frequently, improving both acceleration and fuel economy.
Driving Characteristics
The 5.3L V8 and 10-speed automatic combination delivers a comfortable and capable driving experience. While not as quick as the available 6.2-liter V8, the 5.3L provides ample power for everyday driving and towing. The 10-speed transmission is well-tuned, offering responsive shifts and minimizing hunting for the right gear. The gear ratios are optimized for both acceleration and highway cruising. The Tahoe’s substantial weight is noticeable, but the engine provides sufficient torque to overcome this. Compared to manual transmission options (not typically offered on the Tahoe), the automatic prioritizes convenience and ease of use, making it ideal for drivers who prefer a relaxed driving experience.
Equipment & Trim Levels
The 5.3L V8 engine is typically offered on the LS, LT, and RST trim levels of the Tahoe. Standard features generally include tri-zone automatic climate control, an 8-inch touchscreen infotainment system with Apple CarPlay and Android Auto compatibility, and a suite of safety features such as automatic emergency braking and lane keep assist. Higher trim levels, like the RST, add features like leather upholstery, heated and ventilated front seats, and a larger touchscreen display. Optional extras include a panoramic sunroof, a rear-seat entertainment system, and advanced trailering technology.
Chassis & Braking
The GMTT1XX Tahoe utilizes an independent front suspension with coil springs and an optional air suspension system for enhanced ride comfort. The rear suspension is an independent multi-link setup, also available with air suspension. The braking system consists of ventilated discs on all four wheels, providing adequate stopping power for the vehicle’s weight. ABS (Anti-lock Braking System) is standard. The optional air suspension allows for adjustable ride height, improving off-road capability and ease of entry/exit. Stabilizer bars are fitted front and rear to reduce body roll during cornering.
Market Reception & Comparison
The 5.3L V8 Tahoe has been well-received by consumers seeking a versatile and capable full-size SUV. Critics generally praise its spacious interior, comfortable ride, and strong towing capacity. Fuel economy, however, is a common point of criticism, as expected for a vehicle of this size and weight. Compared to the 6.2L V8, the 5.3L offers a more affordable entry point and slightly better fuel economy, but at the expense of outright performance. Compared to diesel-powered rivals, the 5.3L offers a simpler and potentially more reliable powertrain, though with lower torque figures.
Legacy
The EcoTec3 5.3L V8 and Hydra-Matic 10-speed transmission have proven to be a reliable combination in other Chevrolet and GMC vehicles. While long-term reliability data for the 2024 facelift is still emerging, the underlying powertrain architecture has a solid track record. On the used car market, Tahoes equipped with this powertrain are generally sought after for their balance of capability and affordability. Regular maintenance, including oil changes and transmission fluid services, is crucial for ensuring the longevity of this powertrain. The 5.3L V8 remains a popular choice for those needing a robust and dependable full-size SUV.
