The Audi A8 (D4) 3.0 TDI quattro Tiptronic, produced from 2010 to 2013, represents a significant iteration of Audi’s flagship luxury sedan. Falling within the D4 generation (internally designated 4H), this variant was positioned as a compelling blend of performance, efficiency, and sophisticated technology. It served as a core model within the A8 range, offering a diesel-powered alternative to the petrol engines available, and appealing to buyers prioritizing fuel economy without sacrificing luxury or driving dynamics. This specific configuration – the 3.0-liter TDI V6 paired with the eight-speed Tiptronic automatic transmission and Audi’s quattro all-wheel-drive system – was particularly popular in European markets where diesel engines held a substantial market share.
Technical Specifications
| Brand | Audi |
| Model | A8 |
| Generation | A8 (D4, 4H) |
| Type (Engine) | 3.0 TDI V6 (250 Hp) quattro Tiptronic |
| Start of production | July, 2010 |
| End of production | 2013 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 7.9 l/100 km (29.8 US mpg, 35.8 UK mpg, 12.7 km/l) |
| Fuel consumption (extra urban) | 5.6 l/100 km (42 US mpg, 50.4 UK mpg, 17.9 km/l) |
| Fuel consumption (combined) | 6.4 l/100 km (36.8 US mpg, 44.1 UK mpg, 15.6 km/l) |
| CO2 emissions | 169 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 6.1 sec |
| Acceleration 0 – 62 mph | 6.1 sec |
| Acceleration 0 – 60 mph | 5.8 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 7.4 kg/Hp, 135.9 Hp/tonne |
| Weight-to-torque ratio | 3.3 kg/Nm, 298.9 Nm/tonne |
| Power | 250 Hp @ 4000-4500 rpm |
| Power per litre | 84.3 Hp/l |
| Torque | 550 Nm @ 1500-3000 rpm (405.66 lb.-ft. @ 1500-3000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | CDTA, CMHA |
| 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) |
| Coolant | 11.5 l (12.15 US qt | 10.12 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.) |
| Ride height (ground clearance) | 120 mm (4.72 in.) |
| Drag coefficient (Cd) | 0.26 |
| Minimum turning circle (turning diameter) | 12.3 m (40.35 ft.) |
| 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 |
INTRODUCTION
The Audi A8 (D4) 3.0 TDI quattro Tiptronic, manufactured between 2010 and 2013, is a luxury sedan that embodies Audi’s commitment to blending performance with efficiency. Positioned within the broader D4 A8 range (which spanned from 2009-2017), this variant offered a diesel alternative, primarily aimed at the European market where diesel-powered vehicles were highly favored. The ‘3.0 TDI’ designation signifies the engine type, while ‘quattro’ denotes Audi’s renowned all-wheel-drive system, and ‘Tiptronic’ refers to the eight-speed automatic transmission with manual shift capability. This combination aimed to deliver a refined driving experience with strong torque and respectable fuel economy.
Powertrain & Engine Architecture
At the heart of the A8 3.0 TDI lies the CDTA or CMHA engine code, a 3.0-liter V6 turbocharged diesel engine. This engine is a member of Audi’s modular engine family, known for its robust construction and advanced technology. The engine utilizes a common rail direct injection system, delivering fuel directly into the combustion chamber at extremely high pressure for optimized combustion. A single turbocharger, often with variable geometry turbine (VGT) technology, provides forced induction, boosting power and torque. The engine features a Double Overhead Camshaft (DOHC) valvetrain with four valves per cylinder, enhancing breathing and overall efficiency. The eight-speed Tiptronic automatic transmission is a torque converter type, offering smooth and responsive gear changes. It allows for both fully automatic operation and manual gear selection via steering wheel-mounted paddles or the gear selector lever. The transmission is designed to handle the engine’s substantial torque output and contribute to improved fuel economy.
Driving Characteristics
The 3.0 TDI quattro Tiptronic A8 delivers a distinctly different driving experience compared to its petrol-powered siblings or even higher-output TDI variants. While lacking the outright acceleration of the 4.2-liter V8, the 3.0 TDI excels in providing a broad and usable torque curve. The 550 Nm (405.66 lb-ft) of torque, available from just 1500 rpm, provides effortless acceleration in everyday driving situations and strong performance for overtaking. The eight-speed Tiptronic transmission is well-matched to the engine, offering smooth shifts and keeping the engine within its optimal power band. The quattro all-wheel-drive system provides excellent traction and stability, particularly in adverse weather conditions. Compared to a manual transmission, the Tiptronic offers convenience and ease of use, but may feel slightly less engaging for driving enthusiasts. The suspension, tuned for comfort, provides a smooth and controlled ride, absorbing bumps and imperfections in the road surface effectively.
Equipment & Trim Levels
The A8 3.0 TDI quattro Tiptronic typically came well-equipped as standard, reflecting its luxury positioning. Standard features often included leather upholstery, multi-zone automatic climate control, a premium audio system, power-adjustable front seats with memory function, and a comprehensive suite of safety features such as ABS, ESP, and multiple airbags. Optional extras were plentiful, allowing buyers to personalize their vehicles. These included features like advanced driver-assistance systems (adaptive cruise control, lane departure warning, blind-spot monitoring), a rear-seat entertainment system, upgraded leather packages, and various interior trim options. The dashboard layout was characterized by Audi’s clean and minimalist design, with a focus on intuitive controls and high-quality materials.
Chassis & Braking
The A8 (D4) chassis is constructed using a combination of high-strength steel and aluminum, contributing to both rigidity and weight reduction. The front suspension utilizes an independent multi-link setup, while the rear features an independent trapezoidal link design. This configuration provides a comfortable ride and precise handling. Braking duties are handled by ventilated disc brakes on all four wheels, providing ample stopping power. The electronic stability program (ESP) and anti-lock braking system (ABS) work in conjunction to enhance safety and control. The A8 3.0 TDI typically featured a slightly softer suspension setup compared to higher-performance variants, prioritizing ride comfort over outright sportiness.
Market Reception & Comparison
The Audi A8 3.0 TDI quattro Tiptronic was generally well-received by automotive critics. It was praised for its refined driving experience, strong fuel economy, and luxurious interior. Compared to the petrol-powered A8 models, the 3.0 TDI offered a significant advantage in fuel efficiency, making it a popular choice for long-distance drivers. Compared to the higher-output 4.2 TDI variant, the 3.0 TDI provided a more accessible price point and a slightly more comfortable ride, although it lacked the ultimate performance of its larger sibling. Reliability was generally good, although, like all modern diesel engines, it was susceptible to issues with the diesel particulate filter (DPF) if not properly maintained.
Legacy
The Audi A8 (D4) 3.0 TDI quattro Tiptronic remains a desirable used car today, particularly for those seeking a luxurious and efficient long-distance cruiser. The 3.0 TDI engine, when properly maintained, has proven to be relatively durable. However, potential buyers should be aware of the potential for DPF issues and the cost of maintaining the complex electronic systems. The combination of luxury, performance, and efficiency continues to make this A8 variant a compelling option in the used car market, representing a sweet spot in the D4 A8 lineup for many buyers.
