The Audi A6 Avant (4G, C7 facelift) 3.0 TDI V6 clean diesel, produced from 2015 to 2016, represents a refined iteration of Audi’s popular executive wagon. This variant, equipped with the 3.0-liter turbocharged diesel engine producing 218 horsepower and paired with the seven-speed S tronic dual-clutch transmission and quattro all-wheel drive, occupied a strong mid-to-upper position within the A6 Avant lineup. It catered to buyers seeking a blend of performance, efficiency, and practicality in a premium package. The C7 facelift brought updated styling, improved technology, and enhanced efficiency compared to the pre-facelift models, solidifying the A6 Avant’s position as a competitive offering in the European and increasingly, North American, markets.
Technical Specifications
| Brand | Audi |
| Model | A6 |
| Generation | A6 Avant (4G, C7 facelift 2014) |
| Type (Engine) | 3.0 TDI V6 clean diesel (218 Hp) quattro S tronic |
| Start of production | 2015 |
| 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 | 6.8 sec |
| Acceleration 0 – 62 mph | 6.8 sec |
| Acceleration 0 – 60 mph | 6.5 sec |
| Maximum speed | 234 km/h (145.4 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 8.4 kg/Hp, 119.1 Hp/tonne |
| Weight-to-torque ratio | 3.7 kg/Nm, 273.2 Nm/tonne |
| Power | 218 Hp @ 3250-4500 rpm |
| Power per litre | 73.5 Hp/l |
| Torque | 500 Nm @ 1250-3000 rpm (368.78 lb.-ft. @ 1250-3000 rpm) |
| Maximum engine speed | 5000 rpm |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | CRTE, CTCC |
| 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 | 1830 kg (4034.46 lbs.) |
| Max. weight | 2460 kg (5423.37 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 |
INTRODUCTION
The Audi A6 Avant (4G, C7 facelift) 3.0 TDI V6 clean diesel, produced between 2015 and 2016, is a station wagon that embodies Audi’s commitment to blending luxury, performance, and practicality. Part of the fourth generation (C7) A6 series, the facelift brought significant updates to the exterior styling, interior technology, and engine efficiency. This particular variant, powered by the 3.0-liter TDI engine and utilizing the S tronic transmission and quattro all-wheel drive, was positioned as a premium offering within the A6 Avant range, appealing to buyers who prioritized a refined driving experience and strong performance alongside the versatility of a wagon body style. It was primarily sold in Europe, where the demand for wagons remains strong, but also saw increasing interest in North America.
Powertrain & Engine Architecture
At the heart of this A6 Avant lies the 3.0-liter V6 TDI diesel engine, identified by engine codes CRTE and CTCC. This engine is a sophisticated design featuring a common rail direct injection system, a variable geometry turbocharger (VGT), and an intercooler. The common rail system delivers fuel at extremely high pressure, optimizing combustion efficiency and reducing emissions. The VGT turbocharger adjusts the turbine geometry based on engine speed and load, providing a broad torque curve and responsive acceleration. The engine utilizes a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, further enhancing its breathing and power output. The seven-speed S tronic dual-clutch transmission provides incredibly fast and smooth gear changes, contributing to both performance and fuel efficiency. This transmission features two separate clutches, allowing for pre-selection of the next gear, resulting in near-seamless shifts.
Driving Characteristics
The 3.0 TDI V6 with the S tronic transmission delivers a compelling driving experience. The engine’s 500 Nm (368.78 lb-ft) of torque, available from a low 1250 rpm, provides strong acceleration in virtually any gear. The S tronic transmission complements this torque delivery with quick and precise shifts, resulting in a 0-60 mph time of around 6.5 seconds. Compared to the lower-powered 1.8 TFSI or 2.0 TDI variants, the 3.0 TDI offers significantly more effortless performance, particularly when fully loaded or tackling inclines. While not as overtly sporty as the S6 model, the 3.0 TDI provides ample power for confident overtaking and highway cruising. The quattro all-wheel drive system ensures excellent traction in all weather conditions, enhancing stability and control. The gear ratios are tuned for a balance between acceleration and fuel economy, with a relatively tall seventh gear for efficient cruising.
Equipment & Trim Levels
The 3.0 TDI V6 quattro S tronic A6 Avant typically came well-equipped as standard. Features included leather upholstery, tri-zone automatic climate control, a multi-function steering wheel, and the Audi MMI infotainment system with a color display. Standard safety equipment included ABS, electronic stability control, and multiple airbags. Optional extras were plentiful, including a premium sound system (Bang & Olufsen), adaptive cruise control, a panoramic sunroof, and advanced driver assistance systems such as lane keep assist and blind spot monitoring. Interior trim options ranged from wood veneers to brushed aluminum, allowing buyers to personalize the cabin to their taste. The A6 Avant also offered a spacious and practical cargo area, with a minimum of 565 liters (19.95 cu. ft.) of storage space, expandable to 1680 liters (59.33 cu. ft.) with the rear seats folded down.
Chassis & Braking
The A6 Avant’s chassis is designed to provide a comfortable yet engaging driving experience. It features an independent multi-link suspension at the front and an independent trapezoidal lever suspension at the rear. This setup effectively isolates the cabin from road imperfections while maintaining good body control. The 3.0 TDI variant typically featured slightly stiffer springs and dampers compared to the lower-powered models to handle the increased weight and power. Braking duties are handled by ventilated discs on all four wheels, providing ample stopping power. The anti-lock braking system (ABS) and electronic stability control (ESC) work in conjunction to enhance safety and stability during braking and cornering maneuvers.
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. Compared to its competitors, such as the BMW 5 Series Touring and Mercedes-Benz E-Class Estate, the A6 Avant was often lauded for its sophisticated interior design and advanced technology. The 3.0 TDI offered a good balance between performance and fuel economy, achieving around 44.4 US mpg in combined driving. While the 2.0 TDI variants were more fuel-efficient, they lacked the performance of the 3.0 TDI. The higher-powered S6 Avant offered even more performance, but at a significantly higher price point.
Legacy
The 3.0 TDI V6 engine, in various iterations, proved to be a reliable and durable powertrain. While early TDI engines had some issues with diesel particulate filter (DPF) clogging, the later versions, including those found in the C7 A6 Avant, were generally more robust. Today, these vehicles are found in the used car market offering a compelling combination of luxury, performance, and practicality. Maintenance costs can be higher than those of gasoline-powered counterparts due to the complexity of the diesel engine and associated systems. However, with proper maintenance, these A6 Avants can provide many years of reliable service. The C7 A6 Avant, particularly the 3.0 TDI variant, remains a popular choice for buyers seeking a premium wagon with a strong diesel engine.
