Technical Specifications
| Brand | Audi |
| Model | A6 |
| Generation | A6 Avant (4G, C7 facelift 2014) |
| Type (Engine) | 3.0 TDI V6 clean diesel (272 Hp) quattro 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) | 6 l/100 km (39.2 US mpg, 47.1 UK mpg, 16.7 km/l) |
| Fuel consumption (extra urban) | 4.8 l/100 km (49 US mpg, 58.9 UK mpg, 20.8 km/l) |
| Fuel consumption (combined) | 5.3 l/100 km (44.4 US mpg, 53.3 UK mpg, 18.9 km/l) |
| CO2 emissions | 138 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 5.7 sec |
| Acceleration 0 – 62 mph | 5.7 sec |
| Acceleration 0 – 60 mph | 5.4 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 6.7 kg/Hp, 148.2 Hp/tonne |
| Weight-to-torque ratio | 3.2 kg/Nm, 316.1 Nm/tonne |
| Power | 272 Hp @ 3500-4250 rpm |
| Power per litre | 91.7 Hp/l |
| Torque | 580 Nm @ 1500-3250 rpm (427.79 lb.-ft. @ 1500-3250 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | CRTD |
| 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 | 16:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 6.1 l (6.45 US qt | 5.37 UK qt) |
| Coolant | 11.5 l (12.15 US qt | 10.12 UK qt) |
| Kerb Weight | 1835 kg (4045.48 lbs.) |
| Max. weight | 2465 kg (5434.39 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%) | 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 | 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.) |
| 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 | 225/55 R17 |
| Wheel rims size | 8.0J x 17 |
The Audi A6 Avant (4G, C7 facelift) 3.0 TDI V6 quattro S tronic, launched in 2014, was a key model in Audi’s lineup, representing the culmination of the C7 generation’s development. The C7 A6, built on the Volkswagen Group’s MLB platform (1HX0/A3), aimed to balance luxury, technology, and driving dynamics. The facelift brought revised styling, updated technology, and more efficient engine options. This particular variant, with its 3.0-liter TDI engine and S tronic transmission, was positioned as a premium offering, appealing to buyers seeking a refined and capable wagon for long-distance travel and everyday use. It was a direct competitor to vehicles like the BMW 5 Series Touring and Mercedes-Benz E-Class Estate.
Powertrain & Engine Architecture
At the heart of this A6 Avant lies the CRTD engine, a 3.0-liter V6 turbodiesel. This engine is part of Audi’s long-running family of TDI engines, known for their robust construction and efficiency. The CRTD utilizes a common rail direct injection system, delivering fuel at extremely high pressure for optimized combustion. The engine features a single turbocharger with an intercooler to increase air density and boost power output. The valvetrain employs double overhead camshafts (DOHC) with four valves per cylinder, contributing to efficient gas exchange. The S tronic transmission is a seven-speed dual-clutch transmission (DCT) offering rapid and smooth gear changes. This transmission is known for its efficiency and responsiveness, enhancing both performance and fuel economy. The combination of the powerful TDI engine and the quick-shifting S tronic provides a seamless driving experience.
Driving Characteristics
The 3.0 TDI V6 with the S tronic transmission delivers a compelling driving experience. With 272 horsepower and a substantial 427.79 lb.-ft. of torque, acceleration is brisk, achieving 0-60 mph in approximately 5.4 seconds. The S tronic transmission’s gear ratios are optimized for both acceleration and cruising efficiency. In everyday driving, the engine provides ample power for overtaking and merging onto highways. Compared to the base 1.8 TFSI or 2.0 TDI models, this variant offers significantly more performance. While not as sporty as the S6 variant, the 3.0 TDI strikes a good balance between performance and fuel economy. The quattro all-wheel-drive system provides excellent traction in all weather conditions, enhancing stability and control.
Equipment & Trim Levels
The 3.0 TDI V6 quattro S tronic typically came well-equipped, reflecting its premium positioning. Standard features often included leather upholstery, tri-zone automatic climate control, a multi-function steering wheel, and Audi’s MMI infotainment system with a color display. Optional extras were plentiful, including advanced driver-assistance systems like adaptive cruise control, lane departure warning, and a Bang & Olufsen sound system. Interior trim options ranged from wood veneers to brushed aluminum, allowing buyers to personalize the cabin. Exterior features often included 17-inch alloy wheels, xenon headlights, and parking sensors.
Chassis & Braking
The A6 Avant’s chassis is designed for a comfortable and controlled ride. The front suspension utilizes an independent multi-link setup, while the rear features an independent suspension on a trapezoidal lever. This configuration provides excellent ride quality and handling. The braking system consists of ventilated discs on all four wheels, providing ample stopping power. ABS (Anti-lock Braking System) is standard, enhancing safety and control during emergency braking. The steering is a rack-and-pinion system with electric power assistance, offering precise and responsive steering feel.
Market Reception & Comparison
The Audi A6 Avant 3.0 TDI V6 quattro S tronic was generally well-received by automotive critics. It was praised for its refined engine, smooth transmission, comfortable ride, and spacious interior. Fuel economy was also a strong point, with combined figures around 44.4 US mpg. Compared to the 2.0 TDI variants, the 3.0 TDI offered significantly more power and refinement, albeit at a higher price point. The 3.0 TDI was also seen as a more compelling alternative to petrol-powered A6 variants, offering better fuel economy without sacrificing performance. Reliability was generally good, although, like all modern diesels, it was susceptible to issues with the diesel particulate filter (DPF) if not driven on longer journeys regularly.
Legacy
The Audi A6 Avant (4G, C7) 3.0 TDI V6 quattro S tronic remains a desirable used car today. The CRTD engine, while complex, is generally considered robust when properly maintained. The S tronic transmission requires regular servicing, including fluid changes, to ensure longevity. These vehicles are often sought after by buyers looking for a practical, comfortable, and capable wagon with a premium feel. While newer A6 Avant models offer even more advanced technology and features, the C7 generation, particularly this 3.0 TDI variant, continues to represent a sweet spot in terms of value and driving experience.
