The Audi A4 Avant (B8 8K) facelift, produced from November 2011 to 2015, represented a significant refinement of Audi’s popular compact executive wagon. Among the various engine and drivetrain configurations offered, the 3.0 TDI V6 clean diesel with 245 horsepower and the seven-speed S tronic dual-clutch transmission, coupled with Audi’s quattro all-wheel drive system, occupied a premium position in the lineup. This variant aimed to deliver a blend of performance, efficiency, and practicality for buyers seeking a sophisticated and capable estate car. It built upon the foundation of the B8 platform (shared with the Volkswagen Passat and Škoda Superb) and addressed evolving emissions standards with its “clean diesel” technology.
Technical Specifications
| Brand | Audi |
| Model | A4 |
| Generation | A4 Avant (B8 8K, facelift 2011) |
| Type (Engine) | 3.0 TDI V6 clean diesel (245 Hp) quattro S tronic |
| Start of production | November, 2011 |
| End of production | 2015 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (economy) – urban | 6.9 l/100 km (34.1 US mpg, 40.9 UK mpg, 14.5 km/l) |
| Fuel consumption (economy) – extra urban | 5.2 l/100 km (45.2 US mpg, 54.3 UK mpg, 19.2 km/l) |
| Fuel consumption (economy) – combined | 5.9 l/100 km (39.9 US mpg, 47.9 UK mpg, 16.9 km/l) |
| CO2 emissions | 154 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 6 |
| Weight-to-power ratio | 7.2 kg/Hp, 138.8 Hp/tonne |
| Weight-to-torque ratio | 3 kg/Nm, 328.6 Nm/tonne |
| Power | 245 Hp @ 4000-4500 rpm |
| Power per litre | 82.6 Hp/l |
| Torque | 580 Nm @ 1750-2500 rpm (427.79 lb.-ft. @ 1750-2500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | CDUC, CKVB, CKVC |
| 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 | 1765 kg (3891.16 lbs.) |
| Max. weight | 2335 kg (5147.79 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 | 61 l (16.11 US gal | 13.42 UK gal) |
| Max. roof load | 90 kg (198.42 lbs.) |
| Permitted trailer load with brakes (8%) | 2100 kg (4629.71 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 80 kg (176.37 lbs.) |
| Length | 4699 mm (185 in.) |
| Width | 1826 mm (71.89 in.) |
| Width including mirrors | 2040 mm (80.31 in.) |
| Height | 1436 mm (56.54 in.) |
| Wheelbase | 2808 mm (110.55 in.) |
| Front track | 1564 mm (61.57 in.) |
| Rear (Back) track | 1551 mm (61.06 in.) |
| Front overhang | 862 mm (33.94 in.) |
| Rear overhang | 1029 mm (40.51 in.) |
| Drag coefficient (Cd) | 0.32 |
| Minimum turning circle (turning diameter) | 10.5 m (34.45 ft.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 7 gears, automatic transmission S tronic |
| Front suspension | Independent multi-link suspension |
| Rear suspension | Independent on trapezoidal lever |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
Powertrain & Engine Architecture
The heart of this A4 Avant variant is the 3.0-liter V6 TDI engine, identified by engine codes CDUC, CKVB, or CKVC. This engine is a common-rail direct injection diesel, utilizing piezo injectors for precise fuel delivery. The engine features a single turbocharger with variable geometry turbine (VGT) technology and an intercooler to enhance performance and efficiency. The DOHC valvetrain, with four valves per cylinder, optimizes gas flow. The S tronic seven-speed dual-clutch transmission provides rapid and smooth gear changes, contributing to both performance and fuel economy. This transmission allows for both fully automatic operation and manual gear selection via steering wheel-mounted paddles or the gear selector. The quattro all-wheel drive system employs a Torsen center differential, distributing torque between the front and rear axles as needed, enhancing traction and stability.
Driving Characteristics
The 3.0 TDI with the S tronic transmission delivers a noticeably more spirited driving experience compared to lower-powered A4 Avant models. The 580 Nm (427.79 lb-ft) of torque, available from 1750-2500 rpm, provides strong acceleration in any gear. The S tronic transmission’s quick shifts contribute to a 0-60 mph time of around 5.8 seconds. While not a sports car, this variant offers ample power for overtaking and comfortable high-speed cruising. The quattro system provides excellent grip in all weather conditions. Compared to the six-speed manual transmission available on some A4 models, the S tronic prioritizes convenience and efficiency over outright driver engagement. The gear ratios are tuned for a balance between acceleration and fuel economy, with a relatively tall seventh gear for highway cruising.
Equipment & Trim Levels
The 3.0 TDI quattro S tronic typically came equipped as a higher trim level, often corresponding to the “SE” or “Prestige” designations depending on the market. Standard features generally included leather upholstery, three-zone automatic climate control, a multi-function steering wheel, and Audi’s MMI infotainment system with a color display. Optional extras commonly included navigation, a premium sound system (Bang & Olufsen), parking sensors, adaptive cruise control, and sunroof. Interior trim options ranged from wood veneers to brushed aluminum accents. Exterior styling cues often included larger alloy wheels and chrome detailing.
Chassis & Braking
The A4 Avant’s chassis features independent suspension all around – a multi-link setup at the front and an independent trapezoidal link arrangement at the rear. This configuration provides a comfortable ride while maintaining good handling characteristics. The 3.0 TDI models typically featured slightly stiffer springs and dampers compared to lower-powered variants to manage the increased weight and power. Braking systems consisted of ventilated discs at the front and solid discs at the rear, with ABS (Anti-lock Braking System) and electronic stability control as standard features. The steering is a speed-sensitive electric power steering system.
Market Reception & Comparison
The 3.0 TDI quattro S tronic A4 Avant was generally well-received by automotive critics. It was praised for its strong performance, refined ride, and practical wagon body style. Fuel economy was considered competitive for its class, averaging around 39.9 US mpg in combined driving. Compared to the 2.0 TDI models, the 3.0 TDI offered significantly more power and refinement, but at a higher price point. The 3.0 TDI also provided a more compelling alternative to petrol-powered A4 Avants, offering superior torque and fuel efficiency. Reliability was generally good, although the complexity of the diesel engine and S tronic transmission could potentially lead to higher maintenance costs over the long term.
Legacy
The 3.0 TDI V6 engine proved to be a durable and reliable powerplant when properly maintained. However, like all modern diesel engines, it is susceptible to issues related to the diesel particulate filter (DPF) and emissions control systems, particularly if primarily used for short trips. In the used car market, these A4 Avants hold their value relatively well, appealing to buyers seeking a premium and capable estate car. The S tronic transmission, while generally reliable, requires regular servicing to ensure smooth operation. Overall, the 3.0 TDI quattro S tronic A4 Avant remains a desirable and well-regarded vehicle, offering a compelling blend of performance, practicality, and refinement.
