The Audi A6 Avant (4G, C7 facelift) 3.0 TFSI quattro S tronic, produced from 2014 to 2016, represents a high-performance iteration of Audi’s popular executive wagon. This variant slots into the upper echelon of the C7 facelift range, offering a compelling blend of practicality, luxury, and spirited driving dynamics. It builds upon the foundation of the 4G A6 platform (shared with the A3 and other VW Group vehicles) and benefits from the mid-cycle refresh introduced in 2014, which included revised styling, updated technology, and refined engine options. The 3.0 TFSI model was positioned as a premium offering, appealing to buyers seeking a more engaging driving experience than the entry-level 2.0 TFSI variants, while offering a more practical and refined alternative to the sportier S6.
Technical Specifications
| Brand | Audi |
| Model | A6 |
| Generation | A6 Avant (4G, C7 facelift 2014) |
| Type (Engine) | 3.0 TFSI V6 (333 Hp) quattro S tronic |
| Start of production | 2014 |
| End of production | 2016 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 9.9-10.1 l/100 km (23.8 – 23.3 US mpg) |
| Fuel consumption (extra urban) | 6.2-6.5 l/100 km (37.9 – 36.2 US mpg) |
| Fuel consumption (combined) | 7.6-7.8 l/100 km (30.9 – 30.2 US mpg) |
| CO2 emissions | 177-182 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 5.3 sec |
| Acceleration 0 – 62 mph | 5.3 sec |
| Acceleration 0 – 60 mph | 5 sec |
| Maximum speed | 250 km/h (155.34 mph) – Electronically limited |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 5.5 kg/Hp, 183.5 Hp/tonne |
| Weight-to-torque ratio | 4.1 kg/Nm, 242.4 Nm/tonne |
| Power | 333 Hp @ 5500-6500 rpm |
| Power per litre | 111.2 Hp/l |
| Torque | 440 Nm @ 2900-5300 rpm (324.53 lb.-ft. @ 2900-5300 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | EA837 evo / CREC |
| 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 | 10.8:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection and Multi-port manifold injection |
| Engine aspiration | Supercharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 6.95 l (7.34 US qt | 6.12 UK qt) |
| Coolant | 11.6 l (12.26 US qt | 10.21 UK qt) |
| Kerb Weight | 1815 kg (4001.39 lbs.) |
| Max. weight | 2445 kg (5390.3 lbs.) |
| Max load | 630 kg (1388.91 lbs.) |
| Trunk (boot) space – minimum | 565 l (19.95 cu. ft.) |
| Trunk (boot) space – maximum | 1680 l (59.33 cu. ft.) |
| Fuel tank capacity | 75 l (19.81 US gal | 16.5 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load with brakes (8%) | 2100 kg (4629.71 lbs.) |
| Permitted trailer load with brakes (12%) | 2100 kg (4629.71 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 85 kg (187.39 lbs.) |
| Length | 4943 mm (194.61 in.) |
| Width | 1874 mm (73.78 in.) |
| Width including mirrors | 2086 mm (82.13 in.) |
| Height | 1461 mm (57.52 in.) |
| Wheelbase | 2912 mm (114.65 in.) |
| Front track | 1627 mm (64.06 in.) |
| Rear (Back) track | 1618 mm (63.7 in.) |
| Front overhang | 930 mm (36.61 in.) |
| Rear overhang | 1101 mm (43.35 in.) |
| Drag coefficient (Cd) | 0.30 |
| 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 | 7 gears, automatic transmission S tronic |
| Front suspension | Coil spring, Independent multi-link suspension, Transverse stabilizer |
| Rear suspension | Independent on trapezoidal lever, Transverse stabilizer |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| 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 |
Powertrain & Engine Architecture
At the heart of the A6 Avant 3.0 TFSI lies the EA837 evo engine, a 3.0-liter supercharged V6. This engine, a staple in Audi’s performance lineup, produces 333 horsepower at 5500-6500 rpm and 440 Nm (324.53 lb-ft) of torque between 2900 and 5300 rpm. The engine utilizes a twin-scroll supercharger, providing immediate boost and minimizing turbo lag, coupled with direct fuel injection and multi-port manifold injection for optimized combustion. The engine’s architecture features a 60-degree V-angle, contributing to a smooth and balanced operation. The CREC engine code specifically denotes this variant. Paired with the engine is Audi’s 7-speed S tronic dual-clutch transmission. This transmission offers rapid, seamless shifts and contributes to the car’s overall performance and efficiency. The S tronic features a wet clutch design for improved heat dissipation and durability.
Driving Characteristics
The 3.0 TFSI quattro S tronic A6 Avant delivers a refined yet potent driving experience. The supercharged V6 provides strong acceleration, with a 0-60 mph time of around 5 seconds. The S tronic transmission complements the engine perfectly, providing quick and precise gear changes. Quattro all-wheel drive ensures excellent traction in all weather conditions, enhancing stability and confidence. Compared to the 2.0 TFSI models, the 3.0 TFSI offers significantly more power and torque, resulting in a more effortless and engaging driving experience. While not as overtly sporty as the S6, the 3.0 TFSI strikes a good balance between performance and comfort. The gear ratios are tuned for both acceleration and highway cruising, providing a relaxed driving experience at higher speeds.
Equipment & Trim Levels
The A6 Avant 3.0 TFSI quattro S tronic typically came well-equipped as standard. Features included leather upholstery, tri-zone automatic climate control, a premium sound system, and Audi’s MMI infotainment system with navigation. Optional extras included features like adaptive cruise control, a panoramic sunroof, and advanced driver-assistance systems. Trim levels varied slightly by market, but generally, the 3.0 TFSI was offered with options packages that added further luxury and technology features. Interior trim options included various wood and aluminum finishes, allowing buyers to personalize the cabin to their preferences.
Chassis & Braking
The A6 Avant 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 reduce body roll. The braking system consists of ventilated discs on all four wheels, providing ample stopping power. ABS (Anti-lock Braking System) is standard, enhancing safety and control. The suspension tuning is geared towards comfort and stability, providing a smooth ride without sacrificing handling precision.
Market Reception & Comparison
The Audi A6 Avant 3.0 TFSI quattro S tronic was generally well-received by automotive critics. It was praised for its powerful engine, refined transmission, and comfortable ride. Fuel economy was considered reasonable for a vehicle of its performance, averaging around 30 mpg combined. Compared to other premium wagons, such as the BMW 5 Series Touring and Mercedes-Benz E-Class Estate, the A6 Avant offered a compelling combination of performance, luxury, and practicality. The S tronic transmission was often highlighted as a key advantage, providing a more engaging driving experience than traditional automatic transmissions.
Legacy
The EA837 engine, in its various iterations, has proven to be a reliable and durable powerplant. The 3.0 TFSI variant, while requiring regular maintenance, is generally considered to be a robust engine. The S tronic transmission, while more complex than a traditional automatic, is also generally reliable when properly maintained. In the used car market, the A6 Avant 3.0 TFSI quattro S tronic remains a desirable option for buyers seeking a premium wagon with strong performance and a luxurious interior. However, potential buyers should be aware of the importance of maintaining the supercharger and transmission to ensure long-term reliability.


