The Land Rover Range Rover IV (facelift 2017) Long 3.0 SDV6, produced from 2018 to July 2020, represents a refinement of the fourth-generation Range Rover, a vehicle that cemented the brand’s reputation for luxury and off-road capability. This long-wheelbase variant, powered by a 3.0-liter turbodiesel V6 engine producing 275 horsepower, was primarily aimed at markets where space and comfort were prioritized, offering a more opulent rear passenger experience. It sat within the Range Rover lineup as a mid-range offering, bridging the gap between the entry-level petrol engines and the higher-performance supercharged V6 and V8 models. The facelift brought updated styling cues, enhanced technology, and improved efficiency compared to earlier iterations of the fourth-generation Range Rover.
Technical Specifications
| Brand | Land Rover |
| Model | Range Rover |
| Generation | Range Rover IV (facelift 2017) Long |
| Type (Engine) | 3.0 SDV6 (275 Hp) AWD Automatic |
| Start of production | 2018 |
| End of production | July, 2020 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (combined) | 7.6 l/100 km (30.9 US mpg, 37.2 UK mpg, 13.2 km/l) |
| CO2 emissions | 201 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 8 sec |
| Acceleration 0 – 62 mph | 8 sec |
| Acceleration 0 – 60 mph | 7.6 sec |
| Maximum speed | 209 km/h (129.87 mph) |
| Weight-to-power ratio | 8.7 kg/Hp, 115 Hp/tonne |
| Weight-to-torque ratio | 3.8 kg/Nm, 261.4 Nm/tonne |
| Power | 275 Hp @ 3500-4250 rpm |
| Power per litre | 91.9 Hp/l |
| Torque | 625 Nm @ 1500-2250 rpm (460.98 lb.-ft. @ 1500-2250 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | 306DT |
| Engine displacement | 2993 cm3 (182.64 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 84 mm (3.31 in.) |
| Piston Stroke | 90 mm (3.54 in.) |
| Compression ratio | 16:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 6 l (6.34 US qt | 5.28 UK qt) |
| Coolant | 8.93 l (9.44 US qt | 7.86 UK qt) |
| Kerb Weight | 2391 kg (5271.25 lbs.) |
| Max. weight | 3170 kg (6988.65 lbs.) |
| Max load | 779 kg (1717.4 lbs.) |
| Fuel tank capacity | 86 l (22.72 US gal | 18.92 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load with brakes (12%) | 3500 kg (7716.18 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 150 kg (330.69 lbs.) |
| Length | 5200 mm (204.72 in.) |
| Width with mirrors folded | 2073 mm (81.61 in.) |
| Width including mirrors | 2220 mm (87.4 in.) |
| Height | 1868 mm (73.54 in.) |
| Wheelbase | 3120 mm (122.83 in.) |
| Front track | 1693 mm (66.65 in.) |
| Rear (Back) track | 1685 mm (66.34 in.) |
| Ride height (ground clearance) | 221-297 mm (8.7 – 11.69 in.) |
| Minimum turning circle | 13.4 m (43.96 ft.) |
| Approach angle | 25.5-29.7° |
| Departure angle | 24.5-27.6° |
| Ramp-over angle | 20-25.6° |
| Wading depth | 900 mm (35.43 in.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 8 gears, automatic transmission |
| Front brakes | Ventilated discs, 349 mm |
| Rear brakes | Ventilated discs, 325 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
Powertrain & Engine Architecture
The heart of this Range Rover variant is the 306DT, a 3.0-liter V6 turbodiesel engine. This engine is part of Land Rover’s Ingenium engine family, though the 306DT predates the fully modular Ingenium designs. It utilizes a cast iron block with aluminum cylinder heads, a configuration chosen for its balance of strength and weight. The engine employs a common-rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. A single variable geometry turbocharger (VGT) with an intercooler provides forced induction, boosting power and torque. The V6 configuration inherently offers smoother operation compared to inline engines. The 8-speed automatic transmission, sourced from ZF, is a crucial component. Known for its smooth shifts and wide gear ratio spread, it contributes to both fuel efficiency and performance. This transmission features a torque converter and is electronically controlled, adapting to driving conditions and driver input.
Driving Characteristics
The 275 horsepower and 460 lb-ft of torque delivered by the 3.0 SDV6 provide ample power for the substantial weight of the long-wheelbase Range Rover. Acceleration from 0-60 mph takes around 7.6 seconds, which is respectable for a vehicle of this size and class. However, it’s not a particularly sporty experience. The focus is on effortless cruising and relaxed power delivery. The ZF 8-speed automatic transmission is a key contributor to this experience, offering seamless gear changes and keeping the engine within its optimal torque band. Compared to the more powerful supercharged V6 or V8 models, this variant feels less urgent, but it offers a more refined and fuel-efficient driving experience. The long wheelbase contributes to a comfortable ride, absorbing bumps effectively, but it also makes the vehicle feel larger and less agile in tight corners.
Equipment & Trim Levels
The 3.0 SDV6 Long typically came well-equipped, reflecting the Range Rover’s luxury positioning. Standard features included leather upholstery, heated front and rear seats, a premium sound system, a touchscreen infotainment system with navigation, and a comprehensive suite of safety features. The long-wheelbase model specifically offered increased rear legroom and often included features like executive rear seating with individual climate control and massage functions. Optional extras could include a panoramic sunroof, adaptive cruise control, a rear entertainment system, and various trim upgrades. Interior color schemes and wood/metal finishes were customizable, allowing buyers to personalize their vehicle.
Chassis & Braking
The Range Rover IV utilizes a full-time four-wheel-drive system with a two-speed transfer case, providing excellent off-road capability. The suspension is an independent air suspension system with electronic dampers, offering adjustable ride height and damping rates. This allows the vehicle to adapt to various terrains and driving conditions. Braking duties are handled by ventilated discs on all four wheels, providing ample stopping power. The front brakes measure 349mm, while the rear brakes are 325mm. An anti-lock braking system (ABS) and electronic stability control (ESC) are standard features, enhancing safety and control.
Market Reception & Comparison
The Range Rover IV (facelift 2017) Long 3.0 SDV6 was generally well-received by critics. It was praised for its comfortable ride, luxurious interior, and refined driving experience. The diesel engine was noted for its fuel efficiency and strong torque output. However, some reviewers found the performance to be adequate rather than exhilarating. Compared to the petrol variants, the 3.0 SDV6 offered significantly better fuel economy, making it a popular choice for long-distance drivers. Compared to the higher-output engines, it represented a more sensible and cost-effective option, appealing to buyers who prioritized comfort and efficiency over outright performance.
Legacy
The 306DT engine, while not without its potential maintenance concerns (particularly related to the diesel particulate filter and EGR system), has proven to be relatively durable when properly maintained. In the used car market, these Range Rovers represent a good value proposition, offering a significant amount of luxury and capability for the price. However, potential buyers should be aware of the potential maintenance costs associated with a complex vehicle like the Range Rover, and a thorough inspection is recommended before purchase. The combination of the 3.0 SDV6 engine and the 8-speed automatic transmission remains a popular choice among Range Rover enthusiasts, offering a balance of performance, efficiency, and refinement.
