The Audi A6 Sedan (4G, C7 facelift) 2.0 TDI quattro S tronic represents a significant iteration of Audi’s mid-size executive car, produced from 2015 to 2016. This variant, powered by a 2.0-liter turbocharged diesel engine producing 190 horsepower, occupied a key position within the C7 facelift range, offering a blend of performance, efficiency, and all-weather capability through Audi’s quattro all-wheel-drive system. It was positioned as a premium offering, bridging the gap between the more economical front-wheel-drive models and the higher-performance variants like the 3.0 TDI. The C7 facelift brought updated styling, improved technology, and refined engine options to the A6 lineup, solidifying its position as a competitive player in the luxury sedan segment.
Technical Specifications
| Brand | Audi |
| Model | A6 |
| Generation | A6 Sedan (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 | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 5.7 l/100 km (41.3 US mpg, 49.6 UK mpg, 17.5 km/l) |
| Fuel consumption (extra urban) | 4.4 l/100 km (53.5 US mpg, 64.2 UK mpg, 22.7 km/l) |
| Fuel consumption (combined) | 4.9 l/100 km (48 US mpg, 57.6 UK mpg, 20.4 km/l) |
| CO2 emissions | 128 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 7.7 sec |
| Acceleration 0 – 62 mph | 7.7 sec |
| Acceleration 0 – 60 mph | 7.3 sec |
| Maximum speed | 230 km/h (142.92 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 9.2 kg/Hp, 108.9 Hp/tonne |
| Weight-to-torque ratio | 4.4 kg/Nm, 229.2 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 |
| Cylinder Bore | 81 mm (3.19 in.) |
| Piston Stroke | 95.5 mm (3.76 in.) |
| Compression ratio | 15.5:1 |
| 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 | 1745 kg (3847.07 lbs.) |
| Max. weight | 2355 kg (5191.89 lbs.) |
| Max load | 610 kg (1344.82 lbs.) |
| Trunk (boot) space – minimum | 530 l (18.72 cu. ft.) |
| Trunk (boot) space – maximum | 995 l (35.14 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 trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 85 kg (187.39 lbs.) |
| Length | 4933 mm (194.21 in.) |
| Width | 1874 mm (73.78 in.) |
| Width including mirrors | 2086 mm (82.13 in.) |
| Height | 1455-1468 mm (57.28 – 57.8 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 | 1091 mm (42.95 in.) |
| 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 |
Powertrain & Engine Architecture
At the heart of the A6 2.0 TDI quattro S tronic lies the Volkswagen Group’s EA288 series of diesel engines. Specifically, this variant utilized engine codes CNHA, CZJA, or DDDA, depending on the exact production date and market. These engines are characterized by their common-rail direct injection system, which delivers fuel at extremely high pressures for optimized combustion. The 2.0-liter inline-four cylinder engine features a single turbocharger with an intercooler, boosting power output to 190 horsepower and 400 Nm (295 lb-ft) of torque. The engine also incorporates a diesel particulate filter (DPF) to meet stringent Euro 6 emission standards. The S tronic dual-clutch transmission (DCT) is a seven-speed unit that provides rapid and smooth gear changes. This transmission is known for its efficiency and responsiveness, contributing to the A6’s overall driving experience.
Driving Characteristics
The 2.0 TDI quattro S tronic A6 offers a refined and capable driving experience. While not as overtly sporty as some of its competitors or higher-powered A6 variants, it delivers ample performance for everyday driving and long-distance cruising. The 7.7-second 0-62 mph acceleration time is respectable, and the readily available 400 Nm of torque provides strong mid-range punch. The S tronic transmission contributes to seamless acceleration, and the quattro all-wheel-drive system ensures excellent traction in all weather conditions. Compared to the manual transmission versions, the S tronic offers greater convenience and ease of use, particularly in urban environments. However, some drivers may prefer the more engaging feel of a manual gearbox. The gear ratios are tuned for a balance of fuel efficiency and performance, with taller gears for highway cruising and shorter gears for quicker acceleration.
Equipment & Trim Levels
The A6 2.0 TDI quattro S tronic typically came well-equipped as standard. Common features included Audi’s MMI infotainment system with a central display screen, three-zone automatic climate control, leather upholstery, and a multi-function steering wheel. Safety features such as ABS, electronic stability control, and multiple airbags were also standard. Optional extras included features like a navigation system, advanced driver-assistance systems (such as adaptive cruise control and lane departure warning), a premium sound system, and various interior trim upgrades. The specific trim level (e.g., SE, Sport, S line) determined the level of standard equipment and available options.
Chassis & Braking
The A6 2.0 TDI quattro S tronic utilizes an independent multi-link suspension setup at the front and an independent trapezoidal lever suspension at the rear. This configuration provides a comfortable ride quality while maintaining good handling characteristics. The quattro all-wheel-drive system distributes power between the front and rear axles as needed, enhancing stability and traction. Braking duties are handled by ventilated discs at the front and solid discs at the rear. ABS (Anti-lock Braking System) is standard, providing enhanced braking performance in emergency situations.
Market Reception & Comparison
The Audi A6 2.0 TDI quattro S tronic was generally well-received by automotive critics. It was praised for its refined driving experience, comfortable interior, and efficient engine. The combination of the diesel engine and S tronic transmission was seen as a good balance of performance and fuel economy. Compared to other trims in the A6 lineup, the 2.0 TDI quattro S tronic offered a more affordable entry point into the quattro all-wheel-drive experience. It was often compared to rivals such as the BMW 5 Series and Mercedes-Benz E-Class, and generally held its own in terms of quality, performance, and features.
Legacy
The 2.0 TDI engine, in various iterations, has proven to be a reliable and durable powertrain. However, like all diesel engines, it is susceptible to issues related to the DPF and EGR (Exhaust Gas Recirculation) systems, particularly if not properly maintained. The S tronic transmission is generally reliable, but regular servicing is essential to ensure smooth operation. In the used car market, the A6 2.0 TDI quattro S tronic remains a popular choice, offering a good balance of luxury, performance, and fuel efficiency. Its reputation for build quality and reliability continues to attract buyers seeking a well-rounded executive sedan.
