The Audi A4 (B8 8K) facelift, produced from November 2011 to 2015, represented a significant mid-cycle refresh of Audi’s popular compact executive car. Among the various engine and drivetrain configurations offered, the 3.0 TDI V6 with 245 horsepower paired with the quattro all-wheel drive system and a seven-speed S tronic dual-clutch transmission stands out as a performance-oriented variant. This model aimed to deliver a blend of luxury, efficiency, and spirited driving dynamics, positioning itself as a premium offering within the A4 lineup. It was a key competitor to BMW’s 335d and Mercedes-Benz’s C300 CDI, appealing to buyers seeking a refined diesel experience.
Technical Specifications
| Brand | Audi |
| Model | A4 |
| Generation | A4 (B8 8K, facelift 2011) |
| Type (Engine) | 3.0 TDI V6 (245 Hp) quattro S tronic |
| Start of production | November, 2011 |
| End of production | 2015 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 6.8 l/100 km (34.6 US mpg, 41.5 UK mpg, 14.7 km/l) |
| Fuel consumption (extra urban) | 5.1 l/100 km (46.1 US mpg, 55.4 UK mpg, 19.6 km/l) |
| Fuel consumption (combined) | 5.7 l/100 km (41.3 US mpg, 49.6 UK mpg, 17.5 km/l) |
| CO2 emissions | 149 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 5.9 sec |
| Acceleration 0 – 62 mph | 5.9 sec |
| Acceleration 0 – 60 mph | 5.6 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 6.9 kg/Hp, 145.8 Hp/tonne |
| Weight-to-torque ratio | 3.4 kg/Nm, 297.6 Nm/tonne |
| Power | 245 Hp @ 4000-4500 rpm |
| Power per litre | 82.6 Hp/l |
| Torque | 500 Nm @ 1400-3250 rpm (368.78 lb.-ft. @ 1400-3250 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 | 1680 kg (3703.77 lbs.) |
| Max. weight | 2230 kg (4916.31 lbs.) |
| Max load | 550 kg (1212.54 lbs.) |
| Trunk (boot) space – minimum | 480 l (16.95 cu. ft.) |
| Trunk (boot) space – maximum | 962 l (33.97 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 | 4701 mm (185.08 in.) |
| Width | 1826 mm (71.89 in.) |
| Width including mirrors | 2040 mm (80.31 in.) |
| Height | 1427 mm (56.18 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 | 1031 mm (40.59 in.) |
| Drag coefficient (Cd) | 0.28 |
| Minimum turning circle (turning diameter) | 11.5 m (37.73 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 |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 225/50 R17 |
| Wheel rims size | 7.5J x 17 |
INTRODUCTION
The Audi A4 B8.5 3.0 TDI quattro S tronic, launched in late 2011, represented a refined iteration of Audi’s popular executive sedan. Built on the Volkswagen Group’s PL46 platform (also known as the A4/B8 platform), this facelift brought styling updates, improved efficiency, and enhanced technology. The 3.0 TDI variant, equipped with the potent V6 diesel engine, the quattro all-wheel-drive system, and the quick-shifting S tronic transmission, was positioned as a high-performance option within the A4 range, appealing to drivers who desired both luxury and dynamic driving characteristics. It served as a direct competitor to other premium diesel sedans, offering a compelling combination of power, efficiency, and sophisticated engineering.
Powertrain & Engine Architecture
At the heart of this A4 variant lies the 3.0-liter V6 TDI engine, identified by engine codes CDUC, CKVB, and CKVC depending on the specific market and year. This engine utilizes a common-rail direct injection system, delivering fuel at extremely high pressure for optimized combustion. The engine features a single turbocharger with an intercooler, boosting power and torque. The valvetrain employs a dual overhead camshaft (DOHC) design with four valves per cylinder, maximizing airflow and engine efficiency. The S tronic seven-speed dual-clutch transmission provides incredibly fast and smooth gear changes, contributing to both performance and fuel economy. This transmission operates with two separate clutches, pre-selecting the next gear for near-instantaneous shifts.
Driving Characteristics
The 3.0 TDI quattro S tronic A4 delivers a noticeably more engaging driving experience compared to lower-powered A4 variants. The 500 Nm (368.78 lb-ft) of torque, available from a low 1400 rpm, provides strong acceleration in any gear. The S tronic transmission’s quick shifts and the quattro all-wheel-drive system’s excellent traction combine to achieve a 0-60 mph time of around 5.6 seconds. While not a dedicated sports sedan, the 3.0 TDI offers ample power for confident overtaking and spirited driving. The quattro system distributes power between the front and rear axles as needed, enhancing stability and grip in various road conditions. Compared to the manual transmission versions, the S tronic offers a more refined and effortless driving experience, though some purists might miss the direct engagement of a manual gearbox.
Equipment & Trim Levels
The 3.0 TDI quattro S tronic typically came well-equipped, often representing a mid-to-high trim level within the A4 range. Standard features generally included leather upholstery, tri-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 (often Bang & Olufsen), parking sensors, and advanced driver-assistance systems like adaptive cruise control and lane departure warning. Interior trim options varied, with choices in wood, aluminum, or carbon fiber accents.
Chassis & Braking
The A4 B8.5 featured an independent multi-link suspension at the front and an independent trapezoidal link suspension at the rear, providing a comfortable yet controlled ride. The 3.0 TDI variant often received slightly stiffer suspension tuning compared to lower-powered models to better manage the increased weight and power. Braking duties were handled by ventilated discs at the front and solid discs at the rear, providing ample stopping power. The ABS (Anti-lock Braking System) and electronic stability control (ESC) were standard features, enhancing safety and stability.
Market Reception & Comparison
The Audi A4 3.0 TDI quattro S tronic was generally well-received by automotive critics. It was praised for its powerful and refined engine, smooth-shifting transmission, and sophisticated all-wheel-drive system. Fuel economy was also considered competitive for a vehicle of its performance. Compared to the 2.0 TDI variants, the 3.0 TDI offered significantly more power and a more luxurious driving experience, but at a higher price point. Reliability was generally good, although diesel particulate filter (DPF) issues could occur with infrequent long-distance driving.
Legacy
The Audi A4 B8.5 3.0 TDI quattro S tronic remains a desirable used car today, appreciated for its blend of performance, luxury, and efficiency. The 3.0 TDI engine, while requiring diligent maintenance (particularly regarding the DPF and turbocharger), is known for its durability. These models hold their value relatively well, particularly those with a well-documented service history and low mileage. The S tronic transmission, if properly maintained, is generally reliable, though servicing should be performed according to Audi’s recommendations. The B8.5 A4, and particularly this 3.0 TDI variant, represents a high point in Audi’s engineering and design, offering a compelling alternative to its German rivals.
