The Audi A6 Avant (4G, C7 facelift) 2.0 TDI ultra, produced from 2014 to 2016, represents a significant iteration of Audi’s popular executive wagon. Positioned as a fuel-efficient and technologically advanced option within the C7 A6 Avant range, this variant aimed to balance performance with economy, appealing to buyers seeking a practical yet refined vehicle. It falls within the facelifted C7 generation (introduced in 2014), which brought styling updates, improved technology, and revised engine options compared to the earlier C7 models. The “ultra” designation signified Audi’s efforts to maximize efficiency through weight reduction and optimized engine tuning.
Technical Specifications
| Brand | Audi |
| Model | A6 |
| Generation | A6 Avant (4G, C7 facelift 2014) |
| Type (Engine) | 2.0 TDI ultra (190 Hp) 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) | 5.3 l/100 km (44.4 US mpg, 53.3 UK mpg, 18.9 km/l) |
| Fuel consumption (extra urban) | 4.1 l/100 km (57.4 US mpg, 68.9 UK mpg, 24.4 km/l) |
| Fuel consumption (combined) | 4.6 l/100 km (51.1 US mpg, 61.4 UK mpg, 21.7 km/l) |
| CO2 emissions | 118 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 8.5 sec |
| Acceleration 0 – 62 mph | 8.5 sec |
| Acceleration 0 – 60 mph | 8.1 sec |
| Maximum speed | 226 km/h (140.43 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 9.1 kg/Hp, 110.1 Hp/tonne |
| Weight-to-torque ratio | 4.3 kg/Nm, 231.9 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 | 1725 kg (3802.97 lbs.) |
| Max. weight | 2355 kg (5191.89 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 | 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 | 4943 mm (194.61 in.) |
| Width | 1874 mm (73.78 in.) |
| Width including mirrors | 2086 mm (82.13 in.) |
| Height | 1461-1482 mm (57.52 – 58.35 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 the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| 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 |
Powertrain & Engine Architecture
The heart of the A6 Avant 2.0 TDI ultra is the 2.0-liter four-cylinder diesel engine, available with engine codes CNHA, CZJA, or DDDA depending on the specific production year and market. This engine utilizes a common rail direct injection system, delivering fuel at extremely high pressure for optimized combustion. A single turbocharger with an intercooler provides forced induction, boosting power and torque. The engine features a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, enhancing breathing and efficiency. The high compression ratio of 15.5:1 is typical for modern diesel engines, contributing to thermal efficiency. Paired with this engine is Audi’s 7-speed S tronic dual-clutch transmission. This transmission offers quick and smooth gear changes, contributing to both performance and fuel economy. The S tronic operates with two separate clutches, allowing for pre-selection of the next gear, minimizing interruption in power delivery.
Driving Characteristics
The 190 horsepower and 400 Nm (295 lb-ft) of torque delivered by the 2.0 TDI ultra engine provide adequate performance for everyday driving and long-distance cruising. Acceleration from 0 to 100 km/h (0-62 mph) takes approximately 8.5 seconds. While not as quick as the more powerful A6 variants (like those with the 3.0 TDI or supercharged petrol engines), the 2.0 TDI ultra offers a good balance of power and efficiency. The S tronic transmission contributes to a responsive driving experience, with quick shifts and a seamless feel. The gear ratios are tuned for fuel economy, meaning the engine doesn’t always feel as eager to rev as in some sportier applications. Compared to the manual transmission options available on other A6 models, the S tronic provides greater convenience and ease of use, particularly in urban traffic.
Equipment & Trim Levels
The A6 Avant 2.0 TDI ultra 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 front sports seats. Standard safety equipment included ABS, electronic stability control, 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 by market, but generally, the “ultra” designation indicated a focus on efficiency and value, often with a slightly more restrained interior finish compared to higher-spec A6 models.
Chassis & Braking
The A6 Avant 2.0 TDI ultra 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 front brakes are ventilated discs, providing ample stopping power, while the rear brakes are solid discs. The electric power steering offers precise and responsive control. The chassis is tuned to balance comfort and handling, making it suitable for both city driving and long highway journeys.
Market Reception & Comparison
The Audi A6 Avant 2.0 TDI ultra was generally well-received by automotive critics. It was praised for its fuel efficiency, comfortable ride, and refined interior. However, some reviewers noted that the engine lacked the outright performance of more powerful A6 variants. Compared to the 3.0 TDI models, the 2.0 TDI ultra offered significantly better fuel economy but less power and acceleration. Against competitors like the BMW 5 Series Touring and Mercedes-Benz E-Class Estate, the A6 Avant 2.0 TDI ultra held its own in terms of refinement, technology, and practicality.
Legacy
The 2.0 TDI engine with the S tronic transmission has proven to be a relatively reliable powertrain. While diesel engines can be susceptible to issues with the diesel particulate filter (DPF) and turbocharger, these engines generally hold up well with proper maintenance. In the used car market, the A6 Avant 2.0 TDI ultra represents a good value proposition for buyers seeking a spacious, comfortable, and fuel-efficient wagon. Its combination of practicality, refinement, and technology continues to make it a desirable option in the executive car segment.
