Technical Specifications
| Brand | Audi |
| Model | A6 |
| Generation | A6 Sedan (4G, C7 facelift 2014) |
| Type (Engine) | 2.0 TDI ultra (190 Hp) |
| Start of production | 2014 |
| End of production | 2016 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 5.4 l/100 km (43.6 US mpg, 52.3 UK mpg, 18.5 km/l) |
| Fuel consumption (extra urban) | 3.9 l/100 km (60.3 US mpg, 72.4 UK mpg, 25.6 km/l) |
| Fuel consumption (combined) | 4.4 l/100 km (53.5 US mpg, 64.2 UK mpg, 22.7 km/l) |
| CO2 emissions | 115 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 8.4 sec |
| Acceleration 0 – 62 mph | 8.4 sec |
| Acceleration 0 – 60 mph | 8 sec |
| Maximum speed | 232 km/h (144.16 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 8.6 kg/Hp, 116.9 Hp/tonne |
| Weight-to-torque ratio | 4.1 kg/Nm, 246.2 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) |
| Maximum engine speed | 4500 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 | 1625 kg (3582.51 lbs.) |
| Max. weight | 2205 kg (4861.19 lbs.) |
| Max load | 580 kg (1278.68 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.) |
| Drag coefficient (Cd) | 0.26 |
| 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 | 6 gears, manual transmission |
| 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 |
The Audi A6 Sedan (4G, C7 facelift) 2.0 TDI ultra, launched in 2014, was a key component of Audi’s strategy to offer a wider range of efficient engine options within its popular A6 model. The “ultra” designation signified a focus on maximizing fuel economy through weight reduction and optimized engine tuning. This variant sat in the middle of the A6 range, offering a balance between performance and running costs, appealing to drivers who wanted a premium sedan experience without the higher price tag and running costs of the more powerful engines. It built upon the already successful C7 platform, which debuted in 2011, incorporating styling updates and technological enhancements from the 2014 facelift.
Powertrain & Engine Architecture
At the heart of the A6 2.0 TDI ultra lies the Volkswagen Group’s 2.0-liter inline-four diesel engine. Engine codes varied depending on the market, commonly including CNHA, CZJA, and DDDA. This engine featured a common rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. The engine utilized a variable geometry turbocharger (VGT) and an intercooler to boost power and efficiency. The DOHC (Double Overhead Camshaft) valvetrain, with four valves per cylinder, further enhanced breathing and performance. The 6-speed manual transmission was standard, chosen for its efficiency and driver engagement. The engine’s design prioritized low-end torque, making it well-suited for everyday driving and overtaking maneuvers. The ‘ultra’ designation also included measures to reduce internal engine friction and optimize thermal management.
Driving Characteristics
The 190 horsepower and 400 Nm (295 lb-ft) of torque provided by the 2.0 TDI ultra engine delivered a respectable, if not exhilarating, driving experience. Acceleration from 0-100 km/h (0-62 mph) took approximately 8.4 seconds, and the car reached a top speed of 232 km/h (144 mph). The manual transmission offered precise shifts, but the gear ratios were tuned for fuel efficiency rather than outright performance. Compared to the more powerful 3.0 TDI variants, the 2.0 TDI ultra felt less urgent in its acceleration, but it offered a smoother and more relaxed driving experience. The engine’s strong low-end torque made it easy to navigate city traffic and maintain comfortable cruising speeds on the highway. The front-wheel-drive configuration provided good traction in most conditions, although it could exhibit some torque steer under hard acceleration.
Equipment & Trim Levels
The A6 2.0 TDI ultra typically came well-equipped, reflecting Audi’s commitment to providing a premium experience. Standard features included automatic climate control, a multi-function steering wheel, power windows and mirrors, and an infotainment system with a color display. Upholstery was typically cloth or a combination of cloth and leatherette. Optional extras included leather seats, a sunroof, a navigation system, advanced driver-assistance systems (such as adaptive cruise control and lane departure warning), and upgraded audio systems. Trim levels varied by market, but generally offered increasing levels of luxury and technology. The ‘ultra’ trim often included specific styling cues, such as unique badging and interior trim elements.
Chassis & Braking
The A6 2.0 TDI ultra utilized an independent multi-link suspension at the front and an independent trapezoidal link suspension at the rear, providing a comfortable and controlled ride. The suspension was tuned to balance handling and comfort, offering a good compromise for everyday driving. Front brakes were ventilated discs, while rear brakes were solid discs. ABS (Anti-lock Braking System) was standard, along with electronic stability control. The steering was a rack-and-pinion system with electric power assistance, providing precise and responsive steering feel. The car’s relatively low weight, compared to the more powerful A6 variants, contributed to its agile handling.
Market Reception & Comparison
The Audi A6 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 critics noted that the engine lacked the outright performance of the more powerful A6 models. Compared to the 3.0 TDI variants, the 2.0 TDI ultra offered significantly better fuel economy, but at the expense of some performance. Compared to other mid-size executive sedans in its class, the A6 2.0 TDI ultra offered a compelling combination of luxury, efficiency, and technology. Its reliability was generally considered good, although diesel engines can be more susceptible to issues with the diesel particulate filter (DPF) if not driven on longer journeys regularly.
Legacy
The Audi A6 2.0 TDI ultra has proven to be a reliable and durable vehicle in the used car market. The 2.0 TDI engine, while complex, is generally robust when properly maintained. Common issues include DPF clogging, turbocharger wear, and occasional problems with the fuel injection system. However, these issues are typically manageable with regular servicing and preventative maintenance. Today, the A6 2.0 TDI ultra represents a good value proposition for buyers seeking a comfortable, efficient, and well-equipped executive sedan. Its blend of practicality, refinement, and fuel economy continues to make it a popular choice in the used car market.

