The Land Rover Range Rover IV, produced from 2012 to 2017, represented a significant evolution for the iconic luxury SUV. Among the various engine and drivetrain configurations offered, the 4.4 V8 with 339 horsepower and an eight-speed automatic transmission held a prominent position, particularly in North American and European markets. This variant aimed to balance robust performance with a degree of fuel efficiency, appealing to buyers seeking a refined and capable grand tourer. It sat within the fourth generation (L405) of the Range Rover, a model known for its blend of off-road prowess and opulent luxury.
Technical Specifications
| Brand | Land Rover |
| Model | Range Rover |
| Generation | Range Rover IV |
| Type (Engine) | 4.4 V8 (339 Hp) AWD Automatic |
| Start of production | 2012 |
| End of production | 2017 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 11.5 l/100 km (20.5 US mpg) |
| Fuel consumption (extra urban) | 7.6 l/100 km (30.9 US mpg) |
| Fuel consumption (combined) | 8.7 l/100 km (27 US mpg) |
| CO2 emissions | 229 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 6.9 sec |
| Acceleration 0 – 62 mph | 6.9 sec |
| Acceleration 0 – 60 mph | 6.6 sec |
| Maximum speed | 217 km/h (134.84 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 7 kg/Hp |
| Weight-to-torque ratio | 3.9 kg/Nm |
| Power | 339 Hp @ 4000 rpm |
| Torque | 600 Nm @ 2000 rpm (442.54 lb.-ft. @ 2000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | 448DT |
| Engine displacement | 4367 cm3 (266.49 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 84 mm (3.31 in.) |
| Piston Stroke | 98.5 mm (3.88 in.) |
| Compression ratio | 16.1:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | BiTurbo, Intercooler |
| Engine oil capacity | 9.4 l (9.93 US qt | 8.27 UK qt) |
| Coolant capacity | 7.13 l (7.53 US qt | 6.27 UK qt) |
| Kerb Weight | 2360 kg (5202.91 lbs.) |
| Trunk (boot) space – minimum | 550 l (19.42 cu. ft.) |
| Trunk (boot) space – maximum | 2030 l (71.69 cu. ft.) |
| Fuel tank capacity | 105 l (27.74 US gal | 23.1 UK gal) |
| Length | 4999 mm (196.81 in.) |
| Width | 1983 mm (78.07 in.) |
| Width with mirrors folded | 2073 mm (81.61 in.) |
| Height | 1835 mm (72.24 in.) |
| Wheelbase | 2922 mm (115.04 in.) |
| Front track | 1690 mm (66.54 in.) |
| Rear track | 1683 mm (66.26 in.) |
| Drag coefficient (Cd) | 0.35 |
| Minimum turning circle | 12.3 m (40.35 ft.) |
| Front suspension | Air suspension |
| Rear suspension | Air suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Number of gears | 8 |
| Gearbox type | Automatic transmission |
Powertrain & Engine Architecture
The heart of this Range Rover variant is the 4.4-liter V8 diesel engine, designated as the 448DT. This engine is a product of Land Rover’s collaboration with PSA Group (now Stellantis). It features a cast iron block, aluminum cylinder heads, and a sophisticated bi-turbocharger system. The sequential turbocharging setup, with a smaller turbo for low-end response and a larger turbo for high-end power, contributes to the engine’s broad torque curve. The engine utilizes a common rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. The eight-speed automatic transmission, sourced from ZF, is a crucial component, providing smooth and efficient gear changes. This transmission is known for its close ratios and ability to adapt to driving conditions, enhancing both performance and fuel economy.
Driving Characteristics
The 4.4 V8 diesel in the Range Rover IV delivers a refined and powerful driving experience. The 600 Nm (442.54 lb-ft) of torque, available from just 2000 rpm, provides effortless acceleration and strong pulling power, making it well-suited for towing. While not as overtly sporty as some of its gasoline-powered siblings, the diesel offers a more relaxed and composed driving style. The eight-speed automatic transmission contributes to this smoothness, seamlessly shifting through the gears. Compared to the supercharged gasoline V6 or V8 models, this diesel variant prioritizes torque and fuel efficiency over outright horsepower. The gear ratios are tuned for comfortable cruising and off-road capability, rather than aggressive acceleration. The air suspension system further enhances the ride quality, providing a smooth and isolated experience even on rough terrain.
Equipment & Trim Levels
The 4.4 V8 diesel typically came in higher trim levels of the Range Rover IV, such as the HSE or Autobiography. Standard features included leather upholstery, heated and ventilated front seats, a premium sound system, a touchscreen infotainment system with navigation, and a panoramic sunroof. Optional extras were plentiful, including rear-seat entertainment, massaging seats, adaptive cruise control, and a variety of exterior styling enhancements. Interior trim options ranged from wood veneers to aluminum accents, allowing buyers to personalize their vehicle. The HSE trim added features like upgraded leather, more exterior chrome, and larger alloy wheels, while the Autobiography trim represented the pinnacle of luxury, offering even more exclusive materials and features.
Chassis & Braking
The Range Rover IV’s chassis is built around a lightweight aluminum monocoque construction, contributing to its impressive strength and rigidity. The air suspension system, standard on this variant, provides adjustable ride height and damping, allowing the vehicle to adapt to various driving conditions. The front suspension utilizes double wishbones, while the rear suspension employs a multi-link setup. Braking duties are handled by ventilated discs on all four wheels, providing ample stopping power. The electronic parking brake is standard, and advanced safety systems like ABS, traction control, and stability control are also included. The 4×4 system is a full-time all-wheel-drive system with a two-speed transfer case, providing excellent off-road capability.
Market Reception & Comparison
The 4.4 V8 diesel Range Rover IV was generally well-received by automotive critics. It was praised for its refined engine, comfortable ride, and luxurious interior. Fuel economy was considered respectable for a vehicle of its size and capability, although it didn’t match the efficiency of the smaller four-cylinder diesel options. Compared to the gasoline-powered models, the diesel offered better fuel economy and torque, making it a popular choice for long-distance drivers and those who frequently tow. However, the diesel engine did carry a higher price tag. Reliability was generally good, although some owners reported issues with the air suspension system and the complex electronic systems.
Legacy
The 4.4 V8 diesel engine proved to be a durable and reliable powertrain, although preventative maintenance is crucial. The ZF eight-speed automatic transmission is also known for its longevity. In the used car market, these Range Rovers hold their value relatively well, particularly those in good condition with a comprehensive service history. While newer Range Rover models have introduced more advanced technologies and powertrains, the fourth-generation 4.4 V8 diesel remains a desirable option for buyers seeking a luxurious and capable SUV with a proven track record. The combination of performance, refinement, and off-road ability continues to appeal to a wide range of drivers.
