The Land Rover Range Rover Sport II, specifically the 3.0 SDV6 variant produced from 2017 to 2018, represents a mid-cycle refresh of the second-generation Range Rover Sport (L494). This model year saw significant updates to the exterior styling, interior technology, and powertrain options. The 3.0 SDV6, producing 306 horsepower, occupied a crucial position in the lineup, offering a balance between performance, fuel efficiency, and luxury. It was positioned as a strong alternative to the higher-output supercharged V6 and V8 models, appealing to buyers prioritizing refinement and everyday usability over outright speed. The inclusion of optional seven-seat configuration further broadened its appeal to families.
Technical Specifications
| Brand | Land Rover |
| Model | Range Rover Sport |
| Generation | Range Rover Sport II (facelift 2017) |
| Type (Engine) | 3.0 SDV6 (306 Hp) AWD Automatic 5+2 Seating |
| Start of production | 2017 |
| End of production | 2018 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 7 |
| Doors | 5 |
| Fuel consumption (urban) | 7.9 l/100 km (29.8 US mpg, 35.8 UK mpg, 12.7 km/l) |
| Fuel consumption (extra urban) | 6.4 l/100 km (36.8 US mpg, 44.1 UK mpg, 15.6 km/l) |
| Fuel consumption (combined) | 7.0 l/100 km (33.6 US mpg, 40.4 UK mpg, 14.3 km/l) |
| CO2 emissions | 185 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 7.3 sec |
| Acceleration 0 – 62 mph | 7.3 sec |
| Acceleration 0 – 60 mph | 6.9 sec |
| Maximum speed | 209 km/h (129.87 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 7.1 kg/Hp, 140.5 Hp/tonne |
| Weight-to-torque ratio | 3.1 kg/Nm, 321.4 Nm/tonne |
| Power | 306 Hp @ 4000 rpm |
| Power per litre | 102.2 Hp/l |
| Torque | 700 Nm @ 1500-1750 rpm (516.29 lb.-ft. @ 1500-1750 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 | 16.1:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | BiTurbo, 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 | 2178 kg (4801.67 lbs.) |
| Max. weight | 3200 kg (7054.79 lbs.) |
| Max load | 1022 kg (2253.12 lbs.) |
| Trunk (boot) space – minimum | 221 l (7.8 cu. ft.) |
| Trunk (boot) space – maximum | 1686 l (59.54 cu. ft.) |
| 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 | 4879 mm (192.09 in.) |
| Width with mirrors folded | 2073 mm (81.61 in.) |
| Width including mirrors | 2220 mm (87.4 in.) |
| Height | 1803 mm (70.98 in.) |
| Wheelbase | 2923 mm (115.08 in.) |
| Front track | 1693 mm (66.65 in.) |
| Rear (Back) track | 1686 mm (66.38 in.) |
| Ride height (ground clearance) | 213-278 mm (8.39 – 10.94 in.) |
| Drag coefficient (Cd) | 0.34 |
| Minimum turning circle (turning diameter) | 12.5 m (41.01 ft.) |
| Approach angle | 24.3-33.0° |
| Departure angle | 24.9-31.0° |
| Ramp-over (brakeover) angle | 19.4-27.2° |
| Wading depth | 800-850 mm (31.5 – 33.46 in.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives permanently the four wheels of the vehicle. |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 8 gears, automatic transmission |
| Front suspension | Air suspension |
| Rear suspension | Air suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
Powertrain & Engine Architecture
The heart of this Range Rover Sport is the 3.0-liter SDV6 diesel engine, Land Rover’s 306DT engine code. This engine is a V6 configuration, utilizing a bi-turbocharger setup to deliver both strong low-end torque and respectable peak power. The engine employs a common-rail direct injection system, operating at a high compression ratio of 16.1:1. This contributes to its efficiency and power output. The twin-turbo setup consists of a primary turbocharger for immediate response and a secondary, larger turbocharger for higher-end power delivery. The engine is longitudinally mounted in the front of the vehicle. The eight-speed automatic transmission, sourced from ZF, is a crucial component of this powertrain. Known for its smooth shifts and wide gear ratio spread, it contributes to both fuel efficiency and performance. The transmission is electronically controlled and features selectable driving modes, allowing the driver to tailor the shift points to their preferences.
Driving Characteristics
The 3.0 SDV6 automatic Range Rover Sport offers a refined and comfortable driving experience. While not as overtly sporty as the supercharged variants, it provides ample power for everyday driving and overtaking maneuvers. The peak torque of 700 Nm (516 lb-ft) available from 1500-1750 rpm ensures strong acceleration from low speeds. The eight-speed automatic transmission contributes to a relaxed cruising experience, keeping engine speeds low at highway speeds. Compared to the manual transmission options available on other Range Rover Sport models, the automatic prioritizes convenience and ease of use. The air suspension system provides a smooth and controlled ride, absorbing bumps and imperfections in the road surface effectively. The all-wheel-drive system delivers confident traction in various weather conditions.
Equipment & Trim Levels
The 3.0 SDV6 model typically came well-equipped, offering a generous level of standard features. These included leather upholstery, heated front seats, a touchscreen infotainment system with navigation, automatic climate control, and a suite of safety features such as lane departure warning and autonomous emergency braking. Optional extras included a panoramic sunroof, upgraded audio systems, adaptive cruise control, and the aforementioned seven-seat configuration. Trim levels varied depending on the market, but generally included HSE and Autobiography trims, offering progressively more luxurious appointments and features.
Chassis & Braking
The Range Rover Sport II utilizes a robust chassis construction, incorporating lightweight materials to minimize weight. The suspension system features air suspension on both the front and rear axles, providing adjustable ride height and damping characteristics. This allows the driver to tailor the ride to their preferences and driving conditions. Braking duties are handled by ventilated discs on all four wheels, providing ample stopping power. The vehicle is equipped with ABS (Anti-lock Braking System), Electronic Stability Control, and Traction Control to enhance safety and stability.
Market Reception & Comparison
The 3.0 SDV6 Range Rover Sport was generally well-received by automotive critics. It was praised for its blend of performance, fuel efficiency, and luxury. Compared to the more powerful V6 and V8 models, the SDV6 offered a more economical option without sacrificing too much in terms of driving enjoyment. Its fuel economy figures of around 33.6 US mpg combined were significantly better than those of the petrol-powered variants. Reliability was generally good, although, like all Land Rovers, it required regular maintenance to prevent potential issues. Compared to competitors such as the Porsche Cayenne Diesel and BMW X5 xDrive30d, the Range Rover Sport offered a more luxurious and capable off-road experience.
Legacy
The 3.0 SDV6 engine has proven to be a relatively durable and reliable powertrain when properly maintained. While diesel engines, in general, have faced increased scrutiny in recent years, the 306DT engine remains a popular choice in the used car market. Common maintenance items include regular oil changes, filter replacements, and inspection of the turbochargers and fuel injection system. The Range Rover Sport II, in its various configurations, has established itself as a desirable luxury SUV, and the 3.0 SDV6 variant continues to offer a compelling combination of performance, refinement, and practicality for buyers seeking a capable and comfortable all-rounder.



