The Audi A6 Sedan (4G, C7) 3.0 TDI V6 quattro Tiptronic represents a sophisticated blend of performance, luxury, and efficiency within the C7 generation A6 lineup, produced from June 2013 to 2015. Positioned as a mid-to-upper trim level, this variant catered to buyers seeking a powerful diesel engine paired with the convenience of an eight-speed automatic transmission and Audi’s renowned quattro all-wheel-drive system. It occupied a space above the more economical 2.0 TDI models and below the performance-oriented S6, offering a compelling balance for long-distance drivers and those prioritizing a refined driving experience.
Technical Specifications
| Brand | Audi |
| Model | A6 |
| Generation | A6 Sedan (4G, C7) |
| Type (Engine) | 3.0 TDI V6 (240 Hp) quattro Tiptronic |
| Start of production | June, 2013 |
| End of production | 2015 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (economy) – urban (EPA) | 9.8 l/100 km (24 US mpg, 28.8 UK mpg, 10.2 km/l) |
| Fuel consumption (economy) – extra urban (EPA) | 6.2 l/100 km (37.9 US mpg, 45.6 UK mpg, 16.1 km/l) |
| Fuel consumption (economy) – combined (EPA) | 8.1 l/100 km (29 US mpg, 34.9 UK mpg, 12.3 km/l) |
| Fuel Type | Diesel |
| Acceleration 0 – 60 mph | 5.5 sec |
| Maximum speed | 209 km/h (129.87 mph), Electronically limited |
| Emission standard | ULEV 2 |
| Weight-to-power ratio | 7.9 kg/Hp, 126.6 Hp/tonne |
| Weight-to-torque ratio | 3.3 kg/Nm, 306.1 Nm/tonne |
| Power | 240 Hp @ 3500-3750 rpm |
| Power per litre | 80.9 Hp/l |
| Torque | 580 Nm @ 1750-2250 rpm (427.79 lb.-ft. @ 1750-2250 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | CPNB |
| 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) |
| Coolant | 12 l (12.68 US qt | 10.56 UK qt) |
| Kerb Weight | 1895 kg (4177.76 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) |
| AdBlue tank | 19 l (5.02 US gal | 4.18 UK gal) |
| Length | 4925 mm (193.9 in.) |
| Width | 1875 mm (73.82 in.) |
| Width including mirrors | 2086 mm (82.13 in.) |
| Height | 1468 mm (57.8 in.) |
| Wheelbase | 2912 mm (114.65 in.) |
| Front track | 1627 mm (64.06 in.) |
| Rear (Back) track | 1618 mm (63.7 in.) |
| Drag coefficient (Cd) | 0.28 |
| Minimum turning circle (turning diameter) | 11.9 m (39.04 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives permanently the four wheels of the vehicle. |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 8 gears, automatic transmission Tiptronic |
| Front suspension | Coil spring, Independent multi-link suspension, Transverse stabilizer |
| Rear suspension | Independent on trapezoidal lever, Transverse stabilizer, Coil spring |
| Front brakes | Ventilated discs, 345 mm |
| Rear brakes | Ventilated discs, 330 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 225/55 R17; 245/45 R18; 255/40 R19; 255/35 R20 |
| Wheel rims size | 8J x 17; 8J x 18; 8.5J x 19; 8.5J x 20 |
Powertrain & Engine Architecture
At the heart of the A6 3.0 TDI quattro Tiptronic lies the CPNB engine, a 3.0-liter V6 turbodiesel. This engine is a member of Audi’s modular engine family, known for its robust construction and refined operation. The CPNB utilizes a common rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. A single turbocharger, coupled with an intercooler, provides ample boost, contributing to the engine’s 240 horsepower and substantial 427.79 lb.-ft. of torque. The engine features a Dual Overhead Camshaft (DOHC) valvetrain with four valves per cylinder, enhancing breathing and overall efficiency. The eight-speed Tiptronic automatic transmission, a ZF-sourced unit, is characterized by smooth shifts and a wide gear ratio spread. This transmission allows for both fully automatic operation and manual gear selection via steering wheel-mounted paddles or the gear selector itself.
Driving Characteristics
The 3.0 TDI with the Tiptronic transmission delivers a distinctly different driving experience compared to the six-speed manual versions or the higher-output 3.0 TDI bi-turbo models. While not as overtly sporty, the Tiptronic provides effortless cruising and responsive acceleration. The broad torque curve ensures strong pull from low engine speeds, making overtaking maneuvers easy and confident. The eight-speed transmission keeps the engine within its optimal power band, contributing to both performance and fuel economy. Compared to the manual, the Tiptronic prioritizes comfort and convenience, while the bi-turbo engine offers a more aggressive power delivery. The quattro all-wheel-drive system provides excellent traction in all weather conditions, enhancing stability and control.
Equipment & Trim Levels
The A6 3.0 TDI quattro Tiptronic 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. Optional extras were plentiful, including navigation, a premium sound system (Bang & Olufsen), adaptive cruise control, parking sensors, and various driver assistance systems. Interior trim options ranged from wood veneers to brushed aluminum, allowing buyers to personalize the cabin to their taste. Exterior styling cues were generally consistent across the C7 A6 range, with subtle differences in wheel designs and chrome accents depending on the specific package selected.
Chassis & Braking
The A6 3.0 TDI featured a sophisticated chassis designed to balance comfort and handling. The front suspension utilized a multi-link setup with coil springs and a transverse stabilizer bar, while the rear employed an independent trapezoidal link suspension with similar components. This configuration provided a smooth ride and precise steering response. Braking duties were handled by ventilated disc brakes on all four wheels, providing ample stopping power. ABS (Anti-lock Braking System) was standard, enhancing safety and control during emergency braking situations. The suspension tuning was generally softer than the S6 model, prioritizing ride comfort over outright sportiness.
Market Reception & Comparison
The Audi A6 3.0 TDI quattro Tiptronic was generally well-received by automotive critics. It was praised for its refined engine, comfortable ride, and luxurious interior. Fuel economy was also a strong point, with the diesel engine offering significantly better mileage than comparable gasoline-powered models. Compared to the 2.0 TDI, the 3.0 TDI provided a noticeable performance upgrade, while the bi-turbo version offered even more power but at a higher price point. Reliability was generally good, although some owners reported issues with the diesel particulate filter (DPF) and turbocharger over the long term.
Legacy
The C7 generation Audi A6, including the 3.0 TDI quattro Tiptronic variant, has established a reputation as a reliable and well-built luxury sedan. On the used car market, these models continue to be sought after for their blend of performance, comfort, and fuel efficiency. The 3.0 TDI engine, while requiring diligent maintenance (particularly regarding the DPF system), is known for its longevity. Regular servicing and the use of high-quality fluids are crucial for maintaining the long-term health of this powertrain. The A6 C7 remains a competitive option for buyers seeking a sophisticated and capable executive sedan.
