The Land Rover Discovery IV 3.0 LR TD V6 (245 Hp) AWD Automatic, produced between 2009 and 2013, represents a significant evolution in the Discovery lineage. This fourth generation of the Discovery, internally designated L494, marked a departure from the traditional body-on-frame construction of its predecessors, adopting a more modern monocoque chassis. Positioned as a premium SUV, it aimed to blend off-road capability with on-road comfort and luxury, appealing to families and those needing a versatile vehicle. The 3.0 LR TD V6 variant, equipped with a six-speed automatic transmission and all-wheel drive, was a popular choice in European and international markets, offering a balance of performance and fuel efficiency within the Discovery IV range.
Technical Specifications
| Brand | Land Rover |
| Model | Discovery |
| Generation | Discovery IV |
| Type (Engine) | 3.0 LR TD V6 (245 Hp) AWD Automatic |
| Start of production | 2009 |
| End of production | 2013 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 5-7 |
| Doors | 5 |
| Fuel consumption (combined) | 9.3 l/100 km (25.3 US mpg, 30.4 UK mpg, 10.8 km/l) |
| CO2 emissions | 244 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 9.6 sec |
| Acceleration 0 – 62 mph | 9.6 sec |
| Acceleration 0 – 60 mph | 9.1 sec |
| Maximum speed | 180 km/h (111.85 mph) |
| Emission standard | Euro 5 |
| Power | 245 Hp @ 4000 rpm |
| Power per litre | 81.9 Hp/l |
| Torque | 600 Nm @ 2000 rpm (442.54 lb.-ft. @ 2000 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 | BiTurbo, Intercooler |
| Engine oil capacity | 5.9 l (6.23 US qt | 5.19 UK qt) |
| Fuel tank capacity | 82.3 l (21.74 US gal | 18.1 UK gal) |
| Permitted trailer load with brakes (8%) | 3500 kg (7716.18 lbs.) |
| Length | 4829 mm (190.12 in.) |
| Width with mirrors folded | 2022 mm (79.61 in.) |
| Width including mirrors | 2176 mm (85.67 in.) |
| Height | 1887 mm (74.29 in.) |
| Wheelbase | 2885 mm (113.58 in.) |
| Front track | 1605 mm (63.19 in.) |
| Rear track | 1613 mm (63.5 in.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 6 gears, automatic transmission |
| Front suspension | Double wishbone |
| Rear suspension | Double wishbone |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
Powertrain & Engine Architecture
The heart of the Discovery IV 3.0 LR TD V6 is the 306DT engine, a 3.0-liter V6 diesel. This engine utilizes a sequential twin-turbocharger setup, combining a low-inertia turbocharger for immediate response with a larger turbocharger for higher-end power. The engine employs a common rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. The 306DT engine boasts four valves per cylinder and a relatively high compression ratio of 16:1, contributing to its efficiency and power output. The six-speed automatic transmission, sourced from ZF, is known for its smooth shifting and durability. It’s programmed for both on-road comfort and off-road capability, with a manual override function for greater driver control.
Driving Characteristics
The 245 horsepower and 442 lb-ft of torque produced by the 3.0 LR TD V6, coupled with the six-speed automatic, provided a capable and refined driving experience. While not overtly sporty, the Discovery IV offered brisk acceleration, achieving 0-60 mph in around 9.1 seconds. The automatic transmission’s gear ratios were tuned to prioritize usability and towing capacity rather than outright performance. Compared to the higher-output 256 hp version of the same engine, the 245 hp variant offered slightly improved fuel economy, though the performance difference was not dramatically noticeable in everyday driving. Compared to the 2.7L V6 petrol engine available in some markets, the diesel offered significantly more torque and better fuel efficiency, making it ideal for towing and long-distance journeys.
Equipment & Trim Levels
The 3.0 LR TD V6 Automatic typically came equipped with a generous level of standard features. These included leather upholstery, climate control, a premium audio system, and parking sensors. Higher trim levels, such as the HSE, added features like heated seats, a panoramic sunroof, and upgraded interior trim materials. Optional extras included a rear entertainment system, adaptive cruise control, and a terrain response system, which allowed the driver to optimize the vehicle’s settings for various off-road conditions. The Discovery IV’s interior was designed with practicality in mind, offering a spacious cabin and a configurable seating arrangement, allowing for either five or seven passengers.
Chassis & Braking
The Discovery IV’s monocoque chassis provided a significant improvement in rigidity and refinement compared to previous generations. The suspension system utilized double wishbones at both the front and rear, providing a comfortable ride and good handling characteristics. Ventilated disc brakes were fitted to all four wheels, providing ample stopping power. The electronic stability control system, coupled with the anti-lock braking system (ABS), enhanced safety and control in challenging driving conditions. The Discovery IV’s air suspension system, standard on higher trim levels, allowed for adjustable ride height, further enhancing its off-road capability and on-road comfort.
Market Reception & Comparison
The Land Rover Discovery IV 3.0 LR TD V6 Automatic was generally well-received by automotive critics. It was praised for its blend of luxury, practicality, and off-road capability. The diesel engine was lauded for its torque and fuel efficiency, making it a popular choice for those who frequently towed or covered long distances. Compared to rivals such as the BMW X5 and Audi Q7, the Discovery IV offered a more rugged and capable off-road experience, while still providing a comfortable and refined interior. However, some critics noted that the Discovery IV’s fuel economy was not class-leading, and its reliability record was somewhat mixed.
Legacy
The Land Rover Discovery IV 3.0 LR TD V6 Automatic has proven to be a relatively durable and reliable vehicle, although, like all Land Rovers, it requires diligent maintenance. The 306DT engine, when properly maintained, is known for its longevity. Common issues include problems with the air suspension system and the electronic parking brake. In the used car market, the Discovery IV 3.0 LR TD V6 Automatic remains a popular choice, offering a compelling combination of luxury, capability, and value. Its reputation as a versatile and capable SUV ensures its continued appeal to a wide range of buyers.
