The Audi A7 Sportback (C7) 3.0 TDI V6 clean diesel, producing 245 horsepower, represented a compelling blend of luxury, performance, and efficiency within Audi’s model range. Produced from 2012 to 2014, this variant occupied a significant position in the A7 lineup, appealing to buyers seeking a sophisticated grand tourer with the benefits of a diesel engine and Audi’s renowned quattro all-wheel-drive system. It was built on the Volkswagen Group’s A6/A7 (4H) platform, also known as the A6/A7/Q5 MLB platform.
Technical Specifications
| Brand | Audi |
| Model | A7 |
| Generation | A7 Sportback (C7) |
| Type (Engine) | 3.0 TDI V6 clean diesel (245 Hp) quattro S tronic |
| Start of production | 2012 |
| End of production | 2014 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Liftback |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 7.3 l/100 km (32.2 US mpg, 38.7 UK mpg, 13.7 km/l) |
| Fuel consumption (extra urban) | 5.1 l/100 km (46.1 US mpg, 55.4 UK mpg, 19.6 km/l) |
| Fuel consumption (combined) | 5.9 l/100 km (39.9 US mpg, 47.9 UK mpg, 16.9 km/l) |
| CO2 emissions | 156 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 6.3 sec |
| Acceleration 0 – 62 mph | 6.3 sec |
| Acceleration 0 – 60 mph | 6 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 7.3 kg/Hp, 137.3 Hp/tonne |
| Weight-to-torque ratio | 3.1 kg/Nm, 324.9 Nm/tonne |
| Power | 245 Hp @ 4000-4500 rpm |
| Power per litre | 82.6 Hp/l |
| Torque | 580 Nm @ 1750-2500 rpm (427.79 lb.-ft. @ 1750-2500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | CDUC, CKVB, CKVC |
| Engine displacement | 2967 cm3 (181.06 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 83 mm (3.27 in.) |
| Piston Stroke | 91.4 mm (3.6 in.) |
| Compression ratio | 16.8:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 6.4 l (6.76 US qt | 5.63 UK qt) |
| Kerb Weight | 1785 kg (3935.25 lbs.) |
| Max. weight | 2395 kg (5280.07 lbs.) |
| Max load | 610 kg (1344.82 lbs.) |
| Trunk (boot) space – minimum | 535 l (18.89 cu. ft.) |
| Trunk (boot) space – maximum | 1390 l (49.09 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%) | 2100 kg (4629.71 lbs.) |
| Permitted trailer load with brakes (12%) | 2000 kg (4409.25 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 85 kg (187.39 lbs.) |
| Length | 4969 mm (195.63 in.) |
| Width | 1911 mm (75.24 in.) |
| Width including mirrors | 2139 mm (84.21 in.) |
| Height | 1420 mm (55.91 in.) |
| Wheelbase | 2914 mm (114.72 in.) |
| Front track | 1644 mm (64.72 in.) |
| Rear (Back) track | 1635 mm (64.37 in.) |
| Front overhang | 936 mm (36.85 in.) |
| Rear overhang | 1119 mm (44.06 in.) |
| Drag coefficient (Cd) | 0.30 |
| 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 | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 235/55 R17 |
| Wheel rims size | 8J x 17 |
INTRODUCTION
The Audi A7 Sportback (C7) 3.0 TDI V6 clean diesel, produced between 2012 and 2014, was a key variant within the second generation of Audi’s A7. This model distinguished itself through its combination of a potent yet efficient diesel engine, Audi’s quattro all-wheel-drive system, and a sophisticated seven-speed S tronic dual-clutch transmission. Positioned as a mid-range offering, it bridged the gap between the entry-level 2.0 TDI models and the higher-performance 3.0 TFSI petrol variants. The A7 Sportback, with its distinctive coupe-like roofline and liftback configuration, aimed to provide a more dynamic and stylish alternative to traditional executive saloons.
Powertrain & Engine Architecture
At the heart of this A7 variant lies the 3.0-liter V6 TDI engine, specifically utilizing engine codes CDUC, CKVB, or CKVC depending on the specific market and production year. This engine is a common-rail direct injection diesel, benefiting from advancements in fuel delivery and combustion efficiency. The engine features a turbocharger with an intercooler, boosting power and torque output. The valvetrain employs Double Overhead Camshafts (DOHC) with four valves per cylinder, optimizing gas flow for improved performance. The 3.0 TDI engine is longitudinally mounted in the engine bay, driving all four wheels through Audi’s quattro system.
The S tronic seven-speed dual-clutch transmission is a crucial component of this variant. Unlike a traditional automatic transmission with a torque converter, the S tronic utilizes two separate clutches – one for odd-numbered gears and one for even-numbered gears. This allows for incredibly fast and seamless gear changes, enhancing both acceleration and fuel efficiency. The transmission offers both automatic and manual shift modes, providing the driver with greater control. Gear ratios are tuned to balance performance with fuel economy, with a relatively tall final drive ratio for efficient cruising.
Driving Characteristics
The 3.0 TDI with the S tronic transmission delivers a refined and capable driving experience. While not as overtly sporty as the petrol-powered A7 variants, it offers ample power and torque for confident overtaking and highway cruising. The 580 Nm (427.79 lb-ft) of torque, available from a low 1750 rpm, provides strong acceleration in everyday driving situations. The S tronic transmission contributes to brisk acceleration, with a 0-60 mph time of around 6 seconds. Compared to the 2.0 TDI, the 3.0 TDI offers significantly more power and a smoother, more relaxed driving experience. Compared to the 3.0 TFSI, the diesel variant prioritizes fuel efficiency and torque delivery over outright horsepower.
Equipment & Trim Levels
The A7 Sportback 3.0 TDI typically came well-equipped as standard. Interior features included leather upholstery, three-zone automatic climate control, and Audi’s Multi Media Interface (MMI) infotainment system with a central display screen. Standard safety features included ABS, electronic stability control, and multiple airbags. Optional extras included features such as a Bang & Olufsen sound system, adaptive cruise control, a panoramic sunroof, and various driver assistance systems. Trim levels varied by market, but generally offered options for upgraded interior materials, exterior styling enhancements, and additional technology features.
Chassis & Braking
The A7 Sportback features an independent suspension system on both the front and rear axles. The front suspension utilizes a multi-link setup, while the rear employs a trapezoidal link design. This configuration provides a comfortable ride quality while maintaining good handling characteristics. Braking duties are handled by ventilated disc brakes on all four wheels, providing ample stopping power. The electronic stability control system works in conjunction with the ABS to enhance braking performance and maintain vehicle stability. Stabilizer bars are fitted to both the front and rear axles to reduce body roll during cornering.
Market Reception & Comparison
The Audi A7 Sportback 3.0 TDI was generally well-received by automotive critics. It was praised for its stylish design, luxurious interior, and refined driving experience. The diesel engine was lauded for its fuel efficiency and strong torque output. Compared to its competitors, such as the BMW 5 Series Gran Turismo and the Mercedes-Benz CLS, the A7 offered a unique blend of practicality and style. Fuel economy was a key selling point, with the A7 3.0 TDI achieving around 39.9 US mpg in combined driving. Reliability was generally good, although, like all modern diesel engines, it was susceptible to issues with the diesel particulate filter (DPF) if not driven on longer journeys regularly.
Legacy
The Audi A7 Sportback (C7) 3.0 TDI V6 clean diesel remains a desirable used car today. Its combination of luxury, performance, and efficiency continues to appeal to buyers seeking a sophisticated grand tourer. The 3.0 TDI engine, while requiring careful maintenance (particularly regarding the DPF), is generally considered to be a robust and reliable unit. The S tronic transmission, if properly maintained with regular fluid changes, is also known for its durability. The A7’s distinctive styling and well-appointed interior have ensured its continued popularity in the used car market, making it a compelling option for those seeking a premium executive car with a diesel powertrain.
