The Audi A6 Sedan (4G, C7) 3.0 TFSI V6 quattro Tiptronic represents a compelling blend of performance, luxury, and technology within the C7 generation A6 lineup, produced from June 2011 to June 2013. Positioned as a mid-to-high-range offering, this variant catered to buyers seeking a significant step up in power and all-weather capability compared to the base 2.0 TFSI models. It served as a strong alternative to the diesel-powered A6 variants popular in Europe, offering a gasoline-powered option with comparable torque and a more refined driving experience. The C7 A6, built on the Volkswagen Group’s MLB platform, aimed to modernize the A6’s image and compete effectively with rivals like the BMW 5 Series and Mercedes-Benz E-Class.
Technical Specifications
| Brand | Audi |
| Model | A6 |
| Generation | A6 Sedan (4G, C7) |
| Type (Engine) | 3.0 TFSI V6 (310 Hp) quattro Tiptronic |
| Start of production | June, 2011 |
| End of production | June, 2013 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (economy) – urban (EPA) | 12.4 l/100 km (19 US mpg, 22.8 UK mpg, 8.1 km/l) |
| Fuel consumption (economy) – extra urban (EPA) | 8.4 l/100 km (28 US mpg, 33.6 UK mpg, 11.9 km/l) |
| Fuel consumption (economy) – combined (EPA) | 10.7 l/100 km (22 US mpg, 26.4 UK mpg, 9.3 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 60 mph | 5.3 sec |
| Maximum speed | 209 km/h (129.87 mph), Electronically limited |
| Emission standard | ULEV 2 |
| Weight-to-power ratio | 5.9 kg/Hp, 169 Hp/tonne |
| Weight-to-torque ratio | 4.2 kg/Nm, 239.9 Nm/tonne |
| Power | 310 Hp @ 5500-6500 rpm |
| Power per litre | 103.5 Hp/l |
| Torque | 440 Nm @ 2900-4500 rpm (324.53 lb.-ft. @ 2900-4500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | EA837 / CGXB |
| Engine displacement | 2995 cm3 (182.77 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 84.5 mm (3.33 in.) |
| Piston Stroke | 89 mm (3.5 in.) |
| Compression ratio | 10.3:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Supercharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 6.8 l (7.19 US qt | 5.98 UK qt) |
| Coolant | 12 l (12.68 US qt | 10.56 UK qt) |
| Kerb Weight | 1834 kg (4043.28 lbs.) |
| Trunk (boot) space – minimum | 530 l (18.72 cu. ft.) |
| Trunk (boot) space – maximum | 995 l (35.14 cu. ft.) |
| Fuel tank capacity | 75 l (19.81 US gal | 16.5 UK gal) |
| Length | 4925 mm (193.9 in.) |
| Width | 1874 mm (73.78 in.) |
| Width including mirrors | 2086 mm (82.13 in.) |
| Height | 1468 mm (57.8 in.) |
| Wheelbase | 2912 mm (114.65 in.) |
| Front track | 1627 mm (64.06 in.) |
| Rear (Back) track | 1618 mm (63.7 in.) |
| Drag coefficient (Cd) | 0.28 |
| Minimum turning circle (turning diameter) | 11.9 m (39.04 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 | Coil spring, Independent multi-link suspension, Transverse stabilizer |
| Rear suspension | Independent on trapezoidal lever, Transverse stabilizer, Coil spring |
| Front brakes | Ventilated discs, 356 mm |
| Rear brakes | Ventilated discs, 330 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 225/55 R17; 245/45 R18; 255/40 R19; 255/35 R20 |
| Wheel rims size | 8J x 17; 8J x 18; 8.5J x 19; 8.5J x 20 |
Powertrain & Engine Architecture
At the heart of the A6 3.0 TFSI quattro Tiptronic lies the EA837 engine, a 3.0-liter naturally aspirated V6 gasoline engine. This engine, designated with the code CGXB, utilizes direct fuel injection (FSI) and a supercharger to deliver a robust 310 horsepower and 440 Nm (324.53 lb-ft) of torque. The supercharger, a mechanically driven Roots-type unit, provides instant boost at lower engine speeds, eliminating turbo lag and contributing to a linear power delivery. The engine features a dual overhead camshaft (DOHC) valvetrain with four valves per cylinder, optimizing airflow for increased efficiency and power. The eight-speed Tiptronic automatic transmission, a staple of Audi’s quattro 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.
Driving Characteristics
The 3.0 TFSI engine paired with the Tiptronic transmission delivers a refined and capable driving experience. Acceleration from 0 to 60 mph takes a brisk 5.3 seconds, making it noticeably quicker than the base 2.0 TFSI models. The supercharger ensures strong low-end torque, providing ample power for everyday driving and confident overtaking maneuvers. While not as overtly sporty as the S6 variant, the 3.0 TFSI offers a satisfying balance between performance and comfort. The Tiptronic transmission, while smooth, can sometimes feel less engaging than a manual gearbox, particularly for drivers seeking a more connected driving experience. The quattro all-wheel-drive system provides excellent traction in all weather conditions, enhancing stability and control.
Equipment & Trim Levels
The A6 3.0 TFSI quattro Tiptronic typically came well-equipped as standard. Features included leather upholstery, tri-zone automatic climate control, a premium sound system, and Audi’s Multi Media Interface (MMI) infotainment system with a central display screen. Optional extras included features like adaptive cruise control, a panoramic sunroof, ventilated front seats, and advanced driver-assistance systems. Trim levels varied slightly depending on the market, but generally, this variant sat comfortably in the mid-to-high range of the A6 lineup, offering a significant step up in luxury and technology compared to the base models.
Chassis & Braking
The C7 A6 features a sophisticated chassis design with independent suspension at all four corners. The front suspension utilizes a multi-link setup, while the rear employs a trapezoidal link design. Both ends are equipped with transverse stabilizers to minimize body roll during cornering. Braking duties are handled by ventilated disc brakes on all four wheels, providing ample stopping power. The front brakes measure 356mm in diameter, while the rear brakes are 330mm. Audi’s Anti-lock Braking System (ABS) and Electronic Stability Control (ESC) are standard features, enhancing safety and control.
Market Reception & Comparison
The A6 3.0 TFSI quattro Tiptronic was generally well-received by automotive critics. It was praised for its smooth and powerful engine, refined ride quality, and luxurious interior. Fuel economy, however, was a common criticism, with combined fuel consumption averaging around 22 US mpg. Compared to the 2.0 TFSI models, the 3.0 TFSI offered a significant performance upgrade, but at a higher price point. Against the diesel-powered A6 variants, the 3.0 TFSI provided a more refined and responsive driving experience, albeit with slightly higher fuel consumption.
Legacy
The EA837 3.0 TFSI engine has proven to be a relatively reliable powertrain, although preventative maintenance is crucial. Common issues include carbon buildup on the intake valves, which can reduce engine performance over time. The Tiptronic transmission is generally durable, but regular fluid changes are essential to ensure smooth operation. Today, the C7 A6 3.0 TFSI represents a compelling value in the used car market, offering a blend of luxury, performance, and technology at a reasonable price. However, prospective buyers should be aware of the potential maintenance costs associated with a higher-end European vehicle.
