The Audi A8 (D4, 4H) 3.0 TDI V6 quattro Tiptronic represents a significant iteration of Audi’s flagship luxury sedan, produced between 2011 and 2013. This variant, powered by a 3.0-liter turbocharged diesel engine producing 204 horsepower, occupied a key position in the A8 lineup, offering a balance between performance, fuel efficiency, and sophisticated technology. It was primarily aimed at the European and Asian markets where diesel engines were highly favored for their economy and torque characteristics. The D4 generation A8, built on the Volkswagen Group’s modular platform (primarily the A8 platform), aimed to elevate Audi’s presence in the full-size luxury segment, competing with established rivals like the BMW 7 Series and Mercedes-Benz S-Class.
Technical Specifications
| Brand | Audi |
| Model | A8 |
| Generation | A8 (D4, 4H) |
| Type (Engine) | 3.0 TDI V6 (204 Hp) quattro Tiptronic |
| Start of production | 2011 |
| End of production | 2013 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 8 l/100 km (29.4 US mpg, 35.3 UK mpg, 12.5 km/l) |
| Fuel consumption (extra urban) | 5.8 l/100 km (40.6 US mpg, 48.7 UK mpg, 17.2 km/l) |
| Fuel consumption (combined) | 6.6 l/100 km (35.6 US mpg, 42.8 UK mpg, 15.2 km/l) |
| CO2 emissions | 174 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 7 sec |
| Acceleration 0 – 62 mph | 7 sec |
| Acceleration 0 – 60 mph | 6.7 sec |
| Maximum speed | 235 km/h (146.02 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 9 kg/Hp, 110.9 Hp/tonne |
| Weight-to-torque ratio | 4.6 kg/Nm, 217.4 Nm/tonne |
| Power | 204 Hp @ 3750-4500 rpm |
| Power per litre | 68.8 Hp/l |
| Torque | 400 Nm @ 1250-3500 rpm (295.02 lb.-ft. @ 1250-3500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | CLAA |
| Engine displacement | 2967 cm3 (181.06 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 83 mm (3.27 in.) |
| Piston Stroke | 91.4 mm (3.6 in.) |
| Compression ratio | 16.8:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 6.4 l (6.76 US qt | 5.63 UK qt) |
| Kerb Weight | 1840 kg (4056.51 lbs.) |
| Max. weight | 2530 kg (5577.7 lbs.) |
| Max load | 690 kg (1521.19 lbs.) |
| Trunk (boot) space – minimum | 510 l (18.01 cu. ft.) |
| Trunk (boot) space – maximum | 906 l (32 cu. ft.) |
| Fuel tank capacity | 90 l (23.78 US gal | 19.8 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load with brakes (8%) | 2200 kg (4850.17 lbs.) |
| Permitted trailer load with brakes (12%) | 2200 kg (4850.17 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 95 kg (209.44 lbs.) |
| Length | 5137 mm (202.24 in.) |
| Width | 1949 mm (76.73 in.) |
| Width including mirrors | 2111 mm (83.11 in.) |
| Height | 1460 mm (57.48 in.) |
| Wheelbase | 2992 mm (117.8 in.) |
| Front track | 1644 mm (64.72 in.) |
| Rear (Back) track | 1635 mm (64.37 in.) |
| Front overhang | 1003 mm (39.49 in.) |
| Rear overhang | 1142 mm (44.96 in.) |
| Minimum turning circle (turning diameter) | 12.3 m (40.35 ft.) |
| 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 Tiptronic |
| Front suspension | Independent multi-link suspension |
| Rear suspension | Independent on trapezoidal lever |
| 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 |
| Tires size | 235/60 R17 |
| Wheel rims size | 8.0J x 17 |
Powertrain & Engine Architecture
The heart of the A8 3.0 TDI quattro Tiptronic is the CLAA engine code, a 3.0-liter V6 diesel engine. This engine utilizes a common rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. The engine features a single turbocharger with an intercooler, boosting power and torque. The valvetrain employs a Double Overhead Camshaft (DOHC) configuration with four valves per cylinder, enhancing volumetric efficiency. The engine’s robust construction and advanced technologies allowed it to produce 204 horsepower and a substantial 400 Nm (295 lb-ft) of torque. The Tiptronic 8-speed automatic transmission, a staple of Audi’s premium models, provides smooth and responsive gear changes. This transmission allows for both fully automatic operation and manual gear selection via steering wheel-mounted paddles or the gear selector lever.
Driving Characteristics
The 3.0 TDI variant of the A8 offered a refined and comfortable driving experience. While not as overtly sporty as higher-powered A8 models, the 204 hp engine provided ample power for effortless cruising and confident overtaking. The Tiptronic transmission, with its eight forward gears, kept the engine operating in its optimal power band, contributing to both performance and fuel efficiency. Compared to the more powerful 4.2-liter V8 models, the 3.0 TDI prioritized fuel economy and relaxed driving. The quattro all-wheel-drive system ensured excellent traction and stability in all weather conditions. The gear ratios were tuned for smooth acceleration and highway cruising, rather than outright performance, making it a suitable choice for long-distance travel.
Equipment & Trim Levels
The A8 3.0 TDI quattro Tiptronic typically came well-equipped as standard. Features included leather upholstery, multi-zone climate control, a premium audio system, and a comprehensive suite of safety features like ABS, stability control, and multiple airbags. Optional extras included features like adaptive cruise control, a panoramic sunroof, upgraded leather packages, and advanced driver-assistance systems. The interior design emphasized luxury and sophistication, with high-quality materials and meticulous attention to detail. Dashboard configuration was typically characterized by Audi’s MMI (Multi Media Interface) system, providing control over various vehicle functions through a central display screen.
Chassis & Braking
The A8 (D4) featured an independent multi-link suspension system at both the front and rear, providing a comfortable and controlled ride. The suspension was tuned to prioritize ride quality over sporty handling, although it still offered competent cornering ability. The braking system consisted of ventilated discs on all four wheels, providing ample stopping power. ABS (Anti-lock Braking System) was standard, enhancing braking performance and stability. Stabilizer bars were fitted to both axles to reduce body roll during cornering. The chassis was designed to minimize noise, vibration, and harshness, contributing to the A8’s overall refinement.
Market Reception & Comparison
The Audi A8 3.0 TDI quattro Tiptronic was generally well-received by automotive critics. It was praised for its fuel efficiency, comfortable ride, and luxurious interior. Compared to the more powerful A8 variants, the 3.0 TDI offered a more affordable entry point into the A8 range without sacrificing too much in terms of refinement or technology. Fuel economy was a key selling point, particularly in Europe, where diesel fuel was often cheaper than gasoline. Reliability was generally good, although like any complex vehicle, it was susceptible to age-related issues. Compared to the BMW 730d and Mercedes-Benz S350 CDI, the A8 3.0 TDI offered a compelling combination of performance, luxury, and value.
Legacy
The Audi A8 (D4) 3.0 TDI V6 quattro Tiptronic has proven to be a relatively reliable and durable vehicle in the used car market. The 3.0-liter TDI engine, while requiring regular maintenance, is known for its longevity. Common issues include diesel particulate filter (DPF) problems and occasional turbocharger wear, but these are typically manageable with proper care. Today, these A8s represent a good value for buyers seeking a luxurious and comfortable full-size sedan with reasonable running costs. The combination of a powerful diesel engine, smooth automatic transmission, and sophisticated technology continues to appeal to discerning buyers.
