The Audi A4 Avant (B8 8K) 3.0 TDI V6 quattro, produced between 2008 and 2011, represents a compelling blend of performance, practicality, and sophisticated engineering within the Audi A4 range. This variant, positioned as a premium offering, combined a potent 3.0-liter turbocharged diesel engine with Audi’s renowned quattro all-wheel-drive system, packaged in the versatile Avant (station wagon) body style. It served as a flagship powertrain option for those seeking a refined and capable family vehicle, particularly in European markets where diesel engines and wagons were highly favored. The B8 generation A4, built on the Volkswagen Group’s B8 platform (shared with models like the VW Passat and Škoda Superb), aimed to elevate the A4’s status with improved interior quality, enhanced driving dynamics, and a wider range of technology features.
Technical Specifications
| Brand | Audi |
| Model | A4 |
| Generation | A4 Avant (B8 8K) |
| Type (Engine) | 3.0 TDI V6 (240 Hp) quattro |
| Start of production | 2008 |
| End of production | 2011 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 8.8 l/100 km (26.7 US mpg, 32.1 UK mpg, 11.4 km/l) |
| Fuel consumption (extra urban) | 5.5 l/100 km (42.8 US mpg, 51.4 UK mpg, 18.2 km/l) |
| Fuel consumption (combined) | 6.8 l/100 km (34.6 US mpg, 41.5 UK mpg, 14.7 km/l) |
| CO2 emissions | 176 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 6.3 sec |
| Acceleration 0 – 62 mph | 6.3 sec |
| Acceleration 0 – 60 mph | 6 sec (Calculated) |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 7.1 kg/Hp, 141.6 Hp/tonne |
| Weight-to-torque ratio | 3.4 kg/Nm, 295 Nm/tonne |
| Power | 240 Hp @ 4000-4400 rpm |
| Power per litre | 80.9 Hp/l |
| Torque | 500 Nm @ 1500-3000 rpm (368.78 lb.-ft. @ 1500-3000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | EA896 / CCWA |
| 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 | 6.9 l (7.29 US qt | 6.07 UK qt) |
| Coolant | 9 l (9.51 US qt | 7.92 UK qt) |
| Kerb Weight | 1695 kg (3736.84 lbs.) |
| Max. weight | 2265 kg (4993.47 lbs.) |
| Max load | 570 kg (1256.63 lbs.) |
| Trunk (boot) space – minimum | 490 l (17.3 cu. ft.) |
| Trunk (boot) space – maximum | 1430 l (50.5 cu. ft.) |
| Fuel tank capacity | 64 l (16.91 US gal | 14.08 UK gal) |
| Max. roof load | 90 kg (198.42 lbs.) |
| Permitted trailer load with brakes (8%) | 2100 kg (4629.71 lbs.) |
| Permitted trailer load with brakes (12%) | 1900 kg (4188.78 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 80 kg (176.37 lbs.) |
| Length | 4703 mm (185.16 in.) |
| Width | 1826 mm (71.89 in.) |
| Height | 1436 mm (56.54 in.) |
| Wheelbase | 2808 mm (110.55 in.) |
| Front track | 1564 mm (61.57 in.) |
| Rear track | 1551 mm (61.06 in.) |
| Drag coefficient (Cd) | 0.325 |
| Minimum turning circle | 11.4 m (37.4 ft.) |
| Drivetrain Architecture | ICE to All-wheel drive |
| Drive wheel | All wheel drive (4×4) |
| Number of gears | 6 |
| Gearbox type | Manual transmission |
| Front suspension | Independent multi-link suspension |
| Rear suspension | Independent multi-link spring suspension with stabilizer |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
Powertrain & Engine Architecture
At the heart of the A4 Avant 3.0 TDI quattro lies the EA896 engine family, specifically the CCWA code. This 3.0-liter V6 diesel 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 output. The valvetrain employs a double overhead camshaft (DOHC) design with four valves per cylinder, enhancing breathing and overall efficiency. The engine’s robust construction and advanced technologies contribute to its relatively high specific output of approximately 80.9 horsepower per liter. The six-speed manual transmission was standard, providing precise gear changes and a direct connection to the engine.
Driving Characteristics
The 3.0 TDI V6 quattro Avant offered a distinctly refined driving experience. The engine’s substantial 500 Nm (368.78 lb-ft) of torque, available from a low 1500 rpm, provided effortless acceleration and strong pulling power in virtually any gear. The quattro all-wheel-drive system ensured excellent traction, particularly in adverse weather conditions, making it a confident and stable vehicle to drive year-round. While not as overtly sporty as some of its rivals, the A4 Avant 3.0 TDI offered a balanced and composed ride, with well-controlled body roll and responsive steering. The manual transmission, while engaging, had gear ratios tuned for both performance and fuel economy. Compared to the 2.0 TDI variants, the 3.0 TDI offered significantly more power and refinement, while the manual transmission provided a more involved driving experience than the available S-Tronic dual-clutch transmission.
Equipment & Trim Levels
The A4 Avant 3.0 TDI quattro typically came well-equipped, reflecting its position as a premium model. Standard features often included leather upholstery, automatic climate control, a multi-function steering wheel, and an Audi Concert audio system. Optional extras could include navigation, sunroof, parking sensors, and upgraded alloy wheels. Trim levels varied by market, but generally offered progressive enhancements in interior materials, exterior styling, and technology features. The SE trim, popular in the UK, often added features like upgraded seats and additional chrome trim.
Chassis & Braking
The B8 A4 Avant featured an independent multi-link suspension system at both the front and rear axles, providing a comfortable and controlled ride. The front suspension utilized aluminum components to reduce weight, while the rear suspension incorporated a stabilizer bar to minimize body roll. Braking duties were handled by ventilated discs at the front and solid discs at the rear, providing ample stopping power. Anti-lock braking system (ABS) was standard, enhancing safety and stability during emergency braking maneuvers.
Market Reception & Comparison
The Audi A4 Avant 3.0 TDI quattro was generally well-received by automotive critics. It was praised for its powerful and refined engine, excellent all-wheel-drive system, and spacious interior. Fuel economy was considered respectable for a vehicle of its performance, averaging around 34.6 US mpg in combined driving. Compared to competitors like the BMW 3 Series Touring and Mercedes-Benz C-Class Estate, the A4 Avant offered a compelling combination of performance, practicality, and build quality. The 2.0 TDI models offered better fuel economy, but lacked the 3.0 TDI’s outright performance.
Legacy
The EA896 3.0 TDI engine, in general, has proven to be a relatively reliable powertrain, although preventative maintenance is crucial. Common issues can include turbocharger wear, injector problems, and occasional issues with the diesel particulate filter (DPF). The quattro all-wheel-drive system is also generally robust, but requires periodic servicing. Today, the A4 Avant 3.0 TDI quattro represents a desirable used car option for those seeking a capable and refined estate car. Its combination of performance, practicality, and build quality ensures it remains a competitive choice in the used car market, though potential buyers should be aware of the maintenance requirements associated with a diesel engine and all-wheel-drive system.



