The Infiniti QX80 (Z63) 3.5 V6 4WD Automatic, launched in 2024, represents the latest iteration of Infiniti’s full-size luxury SUV. Positioned as the flagship model in Infiniti’s lineup, the Z63 generation builds upon the foundation laid by its predecessor, offering a blend of opulent comfort, robust capability, and advanced technology. This particular variant, equipped with the 3.5-liter twin-turbocharged V6 engine and a nine-speed automatic transmission paired with all-wheel drive, is a key offering within the QX80 range, targeting buyers seeking a premium, spacious SUV with strong performance characteristics. It competes directly with vehicles like the Cadillac Escalade, Lincoln Navigator, and Lexus LX.
Technical Specifications
| Brand | Infiniti |
| Model | QX80 |
| Generation | QX80 (Z63) |
| Type (Engine) | 3.5 V6 (450 Hp) 4WD Automatic |
| Start of production | 2024 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 7-8 |
| 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) | 12.4 l/100 km (19 US mpg, 22.8 UK mpg, 8.1 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) |
| Emission standard | LEV3-ULEV50 |
| Power | 450 Hp @ 5600 rpm |
| Power per litre | 128.9 Hp/l |
| Torque | 700 Nm @ 3600 rpm (516.29 lb.-ft. @ 3600 rpm) |
| Maximum engine speed | 6000 rpm |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | VR35DDTT |
| Engine displacement | 3492 cm3 (213.09 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 86 mm (3.39 in.) |
| Piston Stroke | 100.2 mm (3.94 in.) |
| Compression ratio | 10.6:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Twin-Turbo, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 5.7 l (6.02 US qt | 5.02 UK qt) |
| Coolant | 16.3 l (17.22 US qt | 14.34 UK qt) |
| Trunk (boot) space – minimum | 623 l (22 cu. ft.) |
| Trunk (boot) space – maximum | 2860 l (101 cu. ft.) |
| Fuel tank capacity | 89 l (23.51 US gal | 19.58 UK gal) |
| Permitted trailer load with brakes (12%) | 3856 kg (8501.02 lbs.) |
| Length | 5364 mm (211.18 in.) |
| Width with mirrors folded | 2116 mm (83.31 in.) |
| Width including mirrors | 2350 mm (92.52 in.) |
| Height | 1946-1979 mm (76.61 – 77.91 in.) |
| Wheelbase | 3073 mm (120.98 in.) |
| Front track | 1727 mm (67.99 in.) |
| Rear (Back) track | 1730 mm (68.11 in.) |
| Ride height (ground clearance) | 244-254 mm (9.61 – 10 in.) |
| Drag coefficient (Cd) | 0.37 |
| Approach angle | 22.1-25.1° |
| Departure angle | 21.8-25.6° |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels permanently, and the front wheels are driven through an electrically or mechanically operated clutch if necessary. |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 9 gears, automatic transmission |
| Front suspension | Coil spring, Double wishbone, Transverse stabilizer, Air Suspension – Optional |
| Rear suspension | Double wishbone, Transverse stabilizer, Coil spring, Air Suspension – Optional |
| Front brakes | Ventilated discs, 350×30 mm |
| Rear brakes | Ventilated discs, 350×20 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 275/60 R20; 275/50 R22 |
| Wheel rims size | 8J x 20; 8J x 22 |
Powertrain & Engine Architecture
At the heart of the QX80 3.5 V6 4WD Automatic lies the VR35DDTT engine, a 3.5-liter V6 boasting twin turbochargers and direct fuel injection. This engine produces 450 horsepower at 5600 rpm and 700 Nm (516 lb-ft) of torque at 3600 rpm. The direct injection system optimizes fuel delivery for improved efficiency and power output, while the twin-turbochargers minimize turbo lag and provide a broad torque curve. The engine utilizes a double overhead camshaft (DOHC) valvetrain, contributing to its responsive nature. The engine is longitudinally mounted, sending power to all four wheels through a sophisticated nine-speed automatic transmission. This transmission is designed for smooth and efficient gear changes, enhancing both performance and fuel economy. The transmission’s gear ratios are tuned to balance acceleration with highway cruising comfort.
Driving Characteristics
The QX80 3.5 V6 Automatic delivers a refined and powerful driving experience. The twin-turbocharged V6 provides ample acceleration, making highway merging and overtaking effortless. While not a sports SUV, the QX80 feels surprisingly agile for its size, thanks in part to the responsive automatic transmission. Compared to potential V8 options (if offered in other markets), this V6 provides a more modern feel with quicker spool-up from the turbos. The nine-speed transmission helps keep the engine in its optimal power band, contributing to a smooth and controlled driving experience. The all-wheel-drive system provides enhanced traction in various weather conditions, making it a capable vehicle for year-round use. The ride quality is generally comfortable, especially with the optional air suspension, which further isolates passengers from road imperfections.
Equipment & Trim Levels
The QX80 3.5 V6 4WD Automatic typically comes well-equipped with standard features including leather upholstery, tri-zone automatic climate control, a premium audio system, and a suite of advanced driver-assistance systems. Infotainment is handled by a large touchscreen display with navigation and smartphone integration. Higher trim levels offer additional luxuries such as quilted leather seats, a rear-seat entertainment system, and advanced safety features. Optional extras often include a panoramic sunroof, upgraded audio systems, and various cosmetic enhancements.
Chassis & Braking
The QX80 utilizes a body-on-frame construction, providing a robust and durable platform. The suspension system consists of a double wishbone setup at both the front and rear, with coil springs and a transverse stabilizer bar. Optional air suspension is available, offering adjustable ride height and improved comfort. Braking duties are handled by ventilated discs at all four corners, providing ample stopping power. The QX80 is equipped with an anti-lock braking system (ABS) and electronic stability control to enhance safety. The steering system is a rack-and-pinion setup with electric power steering, offering precise and responsive handling.
Market Reception & Comparison
The Infiniti QX80 3.5 V6 4WD Automatic has generally been well-received by critics for its luxurious interior, spacious cabin, and powerful engine. However, its fuel economy is a common point of criticism, as expected for a vehicle of its size and weight. Compared to other trims, the 3.5 V6 offers a balance between performance and efficiency, making it a popular choice for buyers who prioritize both. The V6 is often seen as a more modern and refined option compared to older V8 engines, offering comparable power with improved fuel economy and responsiveness. Reliability has been generally good, although some owners have reported minor issues with the infotainment system.
Legacy
The VR35DDTT engine, while relatively new to the QX80 lineup, has proven to be a reliable and capable powerplant in other Infiniti and Nissan applications. The nine-speed automatic transmission has also demonstrated good durability. In the used car market, the 2024 QX80 3.5 V6 4WD Automatic is expected to hold its value well, thanks to its luxurious features, strong performance, and reputation for reliability. As the flagship of the Infiniti brand, the QX80 continues to represent a compelling option for buyers seeking a full-size luxury SUV with a blend of comfort, capability, and technology.
