The Audi A6 Allroad quattro, specifically the 4F (C6) facelift model produced from 2008 to August 2011, represented Audi’s foray into the premium all-road wagon segment. This variant, equipped with the 4.2 FSI V8 engine producing 350 horsepower and paired with a six-speed Tiptronic automatic transmission, was positioned as the flagship of the Allroad lineup, offering a blend of performance, luxury, and all-weather capability. It built upon the foundation of the C6 A6 platform (1HX0/A3) and aimed to provide a more rugged and versatile alternative to the standard A6 Avant wagon.
Technical Specifications
| Brand | Audi |
| Model | A6 |
| Generation | A6 Allroad quattro (4F,C6 facelift 2008) |
| Type (Engine) | 4.2 FSI V8 (350 Hp) quattro Tiptronic |
| Start of production | 2008 |
| End of production | August, 2011 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate), Crossover |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 15.3 l/100 km (15.4 US mpg, 18.5 UK mpg, 6.5 km/l) |
| Fuel consumption (extra urban) | 8.1 l/100 km (29 US mpg, 34.9 UK mpg, 12.3 km/l) |
| Fuel consumption (combined) | 10.8 l/100 km (21.8 US mpg, 26.2 UK mpg, 9.3 km/l) |
| CO2 emissions | 257 g/km |
| Fuel Type | Petrol (Gasoline) |
| 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 5 |
| Weight-to-power ratio | 5.4 kg/Hp, 186.2 Hp/tonne |
| Weight-to-torque ratio | 4.3 kg/Nm, 234 Nm/tonne |
| Power | 350 Hp @ 6800 rpm |
| Power per litre | 84.1 Hp/l |
| Torque | 440 Nm @ 3500 rpm (324.53 lb.-ft. @ 3500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | BVJ |
| Engine displacement | 4163 cm3 (254.04 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 84.5 mm (3.33 in.) |
| Piston Stroke | 92.8 mm (3.65 in.) |
| Compression ratio | 12.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 8.5 l (8.98 US qt | 7.48 UK qt) |
| Coolant | 12 l (12.68 US qt | 10.56 UK qt) |
| Kerb Weight | 1880 kg (4144.69 lbs.) |
| Max. weight | 2510 kg (5533.6 lbs.) |
| Max load | 630 kg (1388.91 lbs.) |
| Trunk (boot) space – minimum | 565 l (19.95 cu. ft.) |
| Trunk (boot) space – maximum | 1660 l (58.62 cu. ft.) |
| Fuel tank capacity | 80 l (21.13 US gal | 17.6 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%) | 2100 kg (4629.71 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 85 kg (187.39 lbs.) |
| Length | 4934 mm (194.25 in.) |
| Width | 1862 mm (73.31 in.) |
| Height | 1521 mm (59.88 in.) |
| Wheelbase | 2833 mm (111.54 in.) |
| Front track | 1596 mm (62.83 in.) |
| Rear (Back) track | 1587 mm (62.48 in.) |
| Drag coefficient (Cd) | 0.34 |
| 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 | 6 gears, automatic transmission Tiptronic |
| 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 |
| Tires size | 245/45 R18 |
| Wheel rims size | 8.0J x 18 |
INTRODUCTION
The Audi A6 Allroad quattro 4.2 FSI, introduced in 2008 as part of the C6 facelift, was the performance pinnacle of the Allroad range. It combined the practicality of a station wagon with the off-road capability of Audi’s quattro all-wheel-drive system and a powerful, naturally aspirated V8 engine. This model aimed to appeal to buyers seeking a luxurious and capable vehicle for both on-road driving and light off-road adventures. The “Allroad” designation signified a raised suspension, reinforced underbody protection, and a more rugged aesthetic compared to the standard A6 Avant.
Powertrain & Engine Architecture
At the heart of this Allroad variant lies the BVJ engine code, a 4.2-liter naturally aspirated V8. This engine utilizes Audi’s FSI (Fuel Stratified Injection) direct injection technology, delivering fuel directly into the combustion chamber for improved efficiency and power. The engine boasts a 12.5:1 compression ratio and a dual overhead camshaft (DOHC) valvetrain with four valves per cylinder. The 4.2 FSI produces 350 horsepower at 6800 rpm and 324.53 lb-ft of torque at 3500 rpm. The engine’s longitudinal layout and all-wheel-drive configuration contribute to its balanced handling characteristics.
The engine is mated to a six-speed Tiptronic automatic transmission. This transmission allows for both fully automatic operation and manual gear selection via steering wheel-mounted paddles or the gear selector. The Tiptronic transmission is designed to provide smooth and responsive shifts, complementing the V8 engine’s power delivery. The quattro all-wheel-drive system distributes power between the front and rear axles as needed, enhancing traction and stability in various driving conditions.
Driving Characteristics
The 4.2 FSI V8 and Tiptronic combination delivers brisk acceleration, with a 0-60 mph time of around 6 seconds. While not as overtly sporty as some of its competitors, the Allroad offers a refined and effortless driving experience. The Tiptronic transmission, while smooth, can feel slightly less engaging than a manual gearbox, and shifts aren’t as immediate. The quattro system provides excellent grip in all weather conditions, making the Allroad a confident performer on slippery surfaces. The raised suspension and all-wheel drive also allow for light off-road excursions, though it’s not intended for serious off-roading.
Equipment & Trim Levels
The 4.2 FSI Allroad typically came well-equipped as the top-of-the-line trim. Standard features included leather upholstery, power-adjustable front seats with memory function, a premium audio system, automatic climate control, and xenon headlights. Optional extras included a navigation system, adaptive cruise control, a panoramic sunroof, and upgraded interior trim materials. The interior design was typical of Audi at the time, characterized by a clean, minimalist aesthetic and high-quality materials.
Chassis & Braking
The A6 Allroad featured an independent multi-link suspension at the front and an independent suspension on a trapezoidal lever at the rear. The suspension was specifically tuned to provide a comfortable ride while maintaining good handling characteristics. The Allroad’s ride height was increased compared to the standard A6 Avant, providing greater ground clearance for off-road use. Braking duties were handled by ventilated discs on all four wheels, providing ample stopping power. The ABS (Anti-lock braking system) was standard, enhancing safety and control during emergency braking situations.
Market Reception & Comparison
The 4.2 FSI Allroad was generally well-received by automotive critics, who praised its powerful engine, comfortable ride, and all-weather capability. However, its fuel economy was a common criticism, as the V8 engine consumed a significant amount of fuel. Compared to the 3.0 TDI Allroad models, the 4.2 FSI offered more power but significantly lower fuel efficiency. The 3.0 TDI was often favored by buyers prioritizing fuel economy and torque. The 4.2 FSI appealed to those seeking a more exclusive and performance-oriented Allroad experience.
Legacy
The Audi A6 Allroad quattro 4.2 FSI has become a sought-after vehicle in the used car market, particularly among enthusiasts who appreciate its unique combination of performance, luxury, and capability. While maintenance costs can be higher due to the V8 engine and complex all-wheel-drive system, the 4.2 FSI engine is generally considered reliable if properly maintained. The Allroad’s robust construction and durable components contribute to its longevity. Today, it represents a compelling option for buyers seeking a distinctive and capable all-weather wagon with a powerful V8 engine.
