The Audi A6 Avant (4G, C7 facelift) 2.0 TDI quattro S tronic, produced from 2015 to 2016, represents a refined iteration of Audi’s popular executive wagon. This variant occupied a significant middle ground within the C7 facelift range, offering a balance between performance, fuel efficiency, and all-weather capability. It was positioned as a practical and sophisticated choice for buyers seeking a premium estate car with the added security of Audi’s quattro all-wheel-drive system and the convenience of a seven-speed S tronic dual-clutch transmission. The C7 generation A6, and specifically the Avant, aimed to compete directly with BMW’s 5 Series Touring and Mercedes-Benz’s E-Class Estate in the European market, with limited sales in North America where wagons traditionally hold a smaller market share.
Technical Specifications
| Brand | Audi |
| Model | A6 |
| Generation | A6 Avant (4G, C7 facelift 2014) |
| Type (Engine) | 2.0 TDI (190 Hp) quattro S tronic |
| Start of production | 2015 |
| End of production | 2016 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 5.9 l/100 km (39.9 US mpg, 47.9 UK mpg, 16.9 km/l) |
| Fuel consumption (extra urban) | 4.6 l/100 km (51.1 US mpg, 61.4 UK mpg, 21.7 km/l) |
| Fuel consumption (combined) | 5.1 l/100 km (46.1 US mpg, 55.4 UK mpg, 19.6 km/l) |
| CO2 emissions | 133 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 7.9 sec |
| Acceleration 0 – 62 mph | 7.9 sec |
| Acceleration 0 – 60 mph | 7.5 sec |
| Maximum speed | 224 km/h (139.19 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 9.5 kg/Hp, 105 Hp/tonne |
| Weight-to-torque ratio | 4.5 kg/Nm, 221 Nm/tonne |
| Power | 190 Hp @ 3800-4200 rpm |
| Power per litre | 96.5 Hp/l |
| Torque | 400 Nm @ 1750-3000 rpm (295.02 lb.-ft. @ 1750-3000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | CNHA, CZJA, DDDA |
| Engine displacement | 1968 cm3 (120.09 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 4.7 l (4.97 US qt | 4.14 UK qt) |
| Coolant | 12 l (12.68 US qt | 10.56 UK qt) |
| Kerb Weight | 1810 kg (3990.37 lbs.) |
| Max. weight | 2440 kg (5379.28 lbs.) |
| Max load | 630 kg (1388.91 lbs.) |
| Trunk (boot) space – minimum | 565 l (19.95 cu. ft.) |
| Fuel tank capacity | 73 l (19.28 US gal | 16.06 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load with brakes (8%) | 2000 kg (4409.25 lbs.) |
| Permitted trailer load with brakes (12%) | 1800 kg (3968.32 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.) |
| 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 |
| Tires size | 225/60 R 16 |
| Wheel rims size | 7.5J x 16 |
Powertrain & Engine Architecture
At the heart of the A6 Avant 2.0 TDI quattro S tronic lies the Volkswagen Group’s 2.0-liter four-cylinder diesel engine. Depending on the specific production year, this engine could be identified by codes CNHA, CZJA, or DDDA. These engines utilize a common rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. The engine features a single turbocharger with an intercooler, boosting power output to 190 horsepower and 400 Nm (295 lb-ft) of torque. The DOHC (Double Overhead Camshaft) valvetrain, with four valves per cylinder, contributes to efficient gas exchange. The S tronic seven-speed dual-clutch transmission provides rapid and smooth gear changes, enhancing both performance and fuel economy. This transmission is known for its efficiency and responsiveness, offering both automatic and manual shift modes.
Driving Characteristics
The 2.0 TDI quattro S tronic A6 Avant delivers a composed and refined driving experience. While not overtly sporty, the engine provides ample power for everyday driving and comfortable highway cruising. Acceleration from 0 to 60 mph takes approximately 7.5 to 7.9 seconds. The S tronic transmission contributes to a seamless power delivery, and the quattro all-wheel-drive system provides excellent traction in various weather conditions. Compared to the more powerful 3.0 TDI variants, this 2.0 TDI model prioritizes fuel efficiency over outright performance. The gear ratios are tuned for a balance between acceleration and economy, with taller gearing in higher gears to reduce engine speed at cruising speeds. The steering is precise and well-weighted, offering a confident feel on the road.
Equipment & Trim Levels
The A6 Avant 2.0 TDI quattro S tronic typically came well-equipped as standard. Features included leather upholstery, tri-zone automatic climate control, a multi-function steering wheel, and Audi’s MMI infotainment system with a central display screen. Standard safety equipment included ABS, ESP (Electronic Stability Program), and multiple airbags. Optional extras included features like a navigation system, advanced driver assistance systems (such as adaptive cruise control and lane departure warning), a panoramic sunroof, and upgraded sound systems. Trim levels varied slightly depending on the market, but generally offered options for enhanced interior finishes and exterior styling.
Chassis & Braking
The A6 Avant features a sophisticated chassis design with independent suspension on all four wheels. The front suspension utilizes a multi-link setup, while the rear employs a trapezoidal link arrangement. This configuration provides a comfortable ride quality while maintaining good handling characteristics. The braking system consists of ventilated discs at the front and solid discs at the rear. ABS (Anti-lock Braking System) is standard, ensuring effective braking performance in emergency situations. The quattro all-wheel-drive system distributes power between the front and rear axles as needed, optimizing traction and stability.
Market Reception & Comparison
The Audi A6 Avant 2.0 TDI quattro S tronic was generally well-received by automotive critics. It was praised for its refined driving experience, spacious interior, and practical wagon body style. Fuel economy was a strong point, with combined figures around 5.1 l/100 km (46.1 US mpg). Compared to the more powerful A6 variants, the 2.0 TDI offered a more affordable entry point into the A6 range. However, some critics noted that the engine could feel slightly strained when fully loaded or during aggressive acceleration. Reliability was generally good, although diesel particulate filter (DPF) issues could occur with infrequent long-distance driving.
Legacy
The 2.0 TDI engine, in various iterations, has proven to be a durable and reliable powertrain within the Volkswagen Group. The S tronic transmission, while requiring more diligent maintenance than a traditional automatic, is also generally considered robust. Today, used examples of the A6 Avant 2.0 TDI quattro S tronic represent a good value proposition for buyers seeking a practical and well-equipped executive wagon. Regular maintenance, including timely servicing of the DPF and transmission, is crucial to ensure long-term reliability. The combination of all-wheel drive, a comfortable interior, and reasonable running costs continues to make this variant a popular choice in the used car market.
