The Audi A6 Avant (4G, C7) 3.0 TFSI V6 quattro S tronic represents a compelling blend of performance, practicality, and luxury within the C7 generation A6 lineup, produced from 2011 to 2014. Positioned as a premium offering, this variant combined a potent supercharged V6 engine with Audi’s renowned quattro all-wheel-drive system and a seven-speed S tronic dual-clutch transmission. It catered to buyers seeking a high-performance wagon capable of both spirited driving and comfortable long-distance travel. The C7 A6 Avant, built on the Volkswagen Group’s MLB platform, aimed to elevate the executive wagon segment with advanced technology and a refined driving experience.
Technical Specifications
| Brand | Audi |
| Model | A6 |
| Generation | A6 Avant (4G, C7) |
| Type (Engine) | 3.0 TFSI V6 (300 Hp) quattro S tronic |
| Start of production | 2011 |
| End of production | 2014 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (economy) – urban | 10.8 l/100 km (21.8 US mpg, 26.2 UK mpg, 9.3 km/l) |
| Fuel consumption (economy) – extra urban | 6.6 l/100 km (35.6 US mpg, 42.8 UK mpg, 15.2 km/l) |
| Fuel consumption (economy) – combined | 8.2 l/100 km (28.7 US mpg, 34.4 UK mpg, 12.2 km/l) |
| CO2 emissions | 190 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 5.6 sec |
| Acceleration 0 – 62 mph | 5.6 sec |
| Acceleration 0 – 60 mph | 5.3 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 6.2 kg/Hp, 160.9 Hp/tonne |
| Weight-to-torque ratio | 4.2 kg/Nm, 235.9 Nm/tonne |
| Power | 300 Hp @ 5500-6500 rpm |
| Power per litre | 100.2 Hp/l |
| Torque | 440 Nm @ 2900-4500 rpm (324.53 lb.-ft. @ 2900-4500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | CGWB, CHMA |
| 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 |
| 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 | 1865 kg (4111.62 lbs.) |
| Max. weight | 2350 kg (5180.86 lbs.) |
| Max load | 485 kg (1069.24 lbs.) |
| Trunk (boot) space – minimum | 565 l (19.95 cu. ft.) |
| Trunk (boot) space – maximum | 1680 l (59.33 cu. ft.) |
| Fuel tank capacity | 65 l (17.17 US gal | 14.3 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 85 kg (187.39 lbs.) |
| Length | 4926 mm (193.94 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 | 1874 mm (73.78 in.) |
| Rear (Back) track | 1618 mm (63.7 in.) |
| Front overhang | 912 mm (35.91 in.) |
| Rear overhang | 1102 mm (43.39 in.) |
| Ride height (ground clearance) | 117 mm (4.61 in.) |
| Drag coefficient (Cd) | 0.29 |
| Minimum turning circle (turning diameter) | 11.9 m (39.04 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 | 225/55 R17 |
| Wheel rims size | 8J x 17 |
INTRODUCTION
The Audi A6 Avant (4G, C7) 3.0 TFSI V6 quattro S tronic, produced between 2011 and 2014, was a flagship variant of Audi’s popular A6 Avant (wagon) model. It represented a significant step up in performance and technology compared to the base A6 models, targeting buyers who desired a luxurious and capable vehicle. The C7 generation A6, and its Avant counterpart, benefited from a new MLB platform, offering improved rigidity, reduced weight, and enhanced driving dynamics. This particular variant, with its 3.0-liter supercharged V6, slotted in as a high-performance option, positioned below the even more potent S6 and RS6 models.
Powertrain & Engine Architecture
At the heart of the A6 Avant 3.0 TFSI lies the CGWB or CHMA engine code, a 2,995 cc (182.77 cu. in.) V6 engine. This engine utilizes a Roots-type supercharger in conjunction with direct fuel injection (FSI) to deliver a broad torque curve and impressive power output. The supercharger provides instant boost at low engine speeds, eliminating turbo lag and contributing to responsive acceleration. The engine also features an intercooler to manage intake air temperatures. The valvetrain employs four valves per cylinder, optimized for efficient gas exchange. The seven-speed S tronic dual-clutch transmission is a key component of this powertrain. It offers incredibly fast and smooth gear changes, enhancing both performance and fuel efficiency. The S tronic features a wet clutch design for improved durability and heat dissipation. Power is distributed to all four wheels via Audi’s quattro all-wheel-drive system, utilizing a self-locking center differential for optimal traction in various conditions.
Driving Characteristics
The 3.0 TFSI V6 with the S tronic transmission delivers a distinctly engaging driving experience. Acceleration from 0-60 mph is achieved in approximately 5.3 seconds, making it a genuinely quick wagon. The supercharger provides immediate throttle response, and the S tronic transmission ensures that power is delivered seamlessly. Compared to the base 2.0-liter turbocharged four-cylinder models, the 3.0 TFSI offers significantly more power and torque throughout the rev range. While not as raw or focused as the S6, the 3.0 TFSI strikes a good balance between performance and everyday usability. The quattro all-wheel-drive system provides excellent grip and stability, particularly in inclement weather. The gear ratios in the S tronic transmission are well-chosen, providing both strong acceleration and comfortable cruising at highway speeds.
Equipment & Trim Levels
The A6 Avant 3.0 TFSI typically came well-equipped as standard. Interior features included leather upholstery, power-adjustable front seats with memory function, a multi-function steering wheel, and a premium audio system. Audi’s MMI infotainment system with a central display screen was also standard, offering navigation, connectivity, and vehicle settings control. Optional extras included features such as adaptive cruise control, a panoramic sunroof, ventilated front seats, and a Bang & Olufsen sound system. Trim levels varied slightly depending on the market, but generally, the 3.0 TFSI was positioned as a higher-end trim, often including features that were optional on lower-spec A6 Avants.
Chassis & Braking
The C7 A6 Avant featured an independent suspension system at all four corners. The front suspension utilized a multi-link design, while the rear employed a trapezoidal link setup. This configuration provided a comfortable ride while maintaining good handling characteristics. The 3.0 TFSI models typically featured slightly stiffer suspension components compared to the base models to better manage the increased power and weight. Braking duties were handled by ventilated discs at all four corners, providing ample stopping power. ABS (Anti-lock Braking System) was standard, along with electronic stability control. The steering system was a rack-and-pinion setup with electric power assistance.
Market Reception & Comparison
The Audi A6 Avant 3.0 TFSI V6 quattro S tronic was generally well-received by automotive critics. It was praised for its powerful engine, smooth transmission, comfortable ride, and luxurious interior. Compared to its competitors, such as the BMW 5 Series Touring and Mercedes-Benz E-Class Estate, the A6 Avant offered a compelling combination of performance, technology, and practicality. Fuel economy was respectable for a vehicle of this size and performance, averaging around 28.7 US mpg in combined driving. Reliability was generally good, although some owners reported issues with the supercharger and the S tronic transmission over the long term. Compared to the 2.0-liter A6 Avant, the 3.0 TFSI offered a significant performance upgrade, but at a higher price point.
Legacy
The Audi A6 Avant (4G, C7) 3.0 TFSI V6 quattro S tronic remains a desirable used car today. Its combination of performance, luxury, and practicality continues to appeal to buyers seeking a capable and refined wagon. The 3.0 TFSI engine, while requiring regular maintenance, is generally considered to be a robust and reliable unit. The S tronic transmission, however, can be prone to issues if not properly maintained. Overall, this variant represents a sweet spot in the C7 A6 Avant lineup, offering a compelling blend of performance and everyday usability. Its continued presence in the used car market is a testament to its enduring appeal.
