The Audi A6 Avant (4B, C5 facelift) equipped with the 4.2-liter V8 engine and Tiptronic automatic transmission represents the pinnacle of performance and luxury within the C5 A6 range. Produced from 2001 to 2003, this variant catered to buyers seeking a high-performance wagon with all-weather capability. It occupied the top-tier position in the A6 Avant lineup, offering a significant step up in power and refinement compared to the four-cylinder and V6 options. This model was primarily sold in Europe and North America, appealing to customers desiring a practical yet sporty vehicle.
Technical Specifications
| Brand | Audi |
| Model | A6 |
| Generation | A6 Avant (4B,C5, facelift 2001) |
| Type (Engine) | 4.2 V8 40V (300 Hp) quattro Tiptronic |
| Start of production | 2001 |
| End of production | 2003 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 19.4 l/100 km (12.1 US mpg, 14.6 UK mpg, 5.2 km/l) |
| Fuel consumption (extra urban) | 9.5 l/100 km (24.8 US mpg, 29.7 UK mpg, 10.5 km/l) |
| Fuel consumption (combined) | 13.1 l/100 km (18 US mpg, 21.6 UK mpg, 7.6 km/l) |
| CO2 emissions | 314 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 6.9 sec |
| Acceleration 0 – 62 mph | 6.9 sec |
| Acceleration 0 – 60 mph | 6.6 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 6.1 kg/Hp, 165.3 Hp/tonne |
| Weight-to-torque ratio | 4.5 kg/Nm, 220.4 Nm/tonne |
| Power | 300 Hp @ 6200 rpm |
| Power per litre | 71.9 Hp/l |
| Torque | 400 Nm @ 3000-4000 rpm (295.02 lb.-ft. @ 3000-4000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | ARS, ASG |
| Engine displacement | 4172 cm3 (254.59 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 84.5 mm (3.33 in.) |
| Piston Stroke | 93 mm (3.66 in.) |
| Compression ratio | 11:1 |
| Number of valves per cylinder | 5 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 7.5 l (7.93 US qt | 6.6 UK qt) |
| Coolant | 11 l (11.62 US qt | 9.68 UK qt) |
| Kerb Weight | 1815 kg (4001.39 lbs.) |
| Max. weight | 2355 kg (5191.89 lbs.) |
| Max load | 540 kg (1190.5 lbs.) |
| Trunk (boot) space – minimum | 455 l (16.07 cu. ft.) |
| Trunk (boot) space – maximum | 1590 l (56.15 cu. ft.) |
| Fuel tank capacity | 82 l (21.66 US gal | 18.04 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 | 4833 mm (190.28 in.) |
| Width | 1850 mm (72.83 in.) |
| Height | 1465 mm (57.68 in.) |
| Wheelbase | 2759 mm (108.62 in.) |
| Front track | 1578 mm (62.13 in.) |
| Rear (Back) track | 1590 mm (62.6 in.) |
| Drag coefficient (Cd) | 0.34 |
| Minimum turning circle | 11.68 m (38.32 ft.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 5 gears, automatic transmission Tiptronic |
| Front suspension | Independent multi-link suspension |
| Rear suspension | Semi-independent, coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 235/50 R16 |
| Wheel rims size | 8J x 16 |
Powertrain & Engine Architecture
The heart of this A6 Avant is the 4.2-liter, naturally aspirated V8 engine, designated as either ARS or ASG depending on minor revisions. This engine is a 90-degree V8 featuring five valves per cylinder (40V) and multi-port fuel injection. The engine produces 300 horsepower at 6200 rpm and 400 Nm (295 lb-ft) of torque between 3000 and 4000 rpm. The engine’s architecture is robust, utilizing a cast iron block and aluminum cylinder heads. The Tiptronic 5-speed automatic transmission, a conventional torque-converter automatic with manual shift capability, was the sole transmission option. This transmission offered smooth shifts but wasn’t as quick or efficient as some later automatic designs. The quattro all-wheel-drive system, a permanent all-wheel-drive system utilizing a Torsen center differential, distributed power between the front and rear axles, enhancing traction and stability.
Driving Characteristics
The 4.2 V8 A6 Avant delivered brisk acceleration, achieving 0-60 mph in approximately 6.6 seconds and a governed top speed of 155 mph. While the Tiptronic transmission offered manual control, it didn’t provide the responsiveness of a manual gearbox. The gear ratios were tuned for a balance of performance and comfort, prioritizing smooth cruising over outright acceleration. Compared to the 1.8T or 2.8 V6 models, the V8 offered significantly more power and torque throughout the rev range, resulting in effortless overtaking and a more engaging driving experience. However, the increased weight of the V8 engine and the Tiptronic transmission did impact handling agility compared to lighter, manual-transmission variants.
Equipment & Trim Levels
The 4.2 V8 Avant typically came well-equipped, reflecting its position as the flagship model. Standard features included leather upholstery, wood trim, automatic climate control, a premium sound system, and power-adjustable front seats. Optional extras included navigation system, sunroof, and upgraded wheels. The interior design was typical of Audi at the time, characterized by a clean, functional layout and high-quality materials. The A6 Avant offered a spacious cabin and a large cargo area, making it a practical choice for families and those needing to transport large items.
Chassis & Braking
The A6 Avant featured an independent multi-link front suspension and a semi-independent coil spring rear suspension. This setup provided a comfortable ride while maintaining good handling characteristics. Ventilated disc brakes were used on all four wheels, providing ample stopping power. The ABS anti-lock braking system was standard. The suspension was tuned to balance comfort and handling, leaning towards the comfort side due to the car’s grand touring nature. Stabilizer bars were fitted front and rear to reduce body roll during cornering.
Market Reception & Comparison
The 4.2 V8 A6 Avant was generally well-received by automotive critics, who praised its powerful engine, luxurious interior, and all-weather capability. However, its fuel economy was criticized as being relatively poor. Compared to the 1.8T and 2.8 V6 models, the V8 offered significantly more performance but at a higher price and with increased running costs. The 1.8T offered a better balance of performance and fuel economy for many buyers, while the 2.8 V6 provided a good compromise between power and efficiency. The V8 was aimed at buyers who prioritized performance and luxury above all else.
Legacy
The 4.2 V8 engine in the C5 A6 Avant is known for its durability and reliability, provided it receives regular maintenance. The Tiptronic transmission, while generally reliable, can be susceptible to issues if not serviced properly. Today, these cars are sought after by enthusiasts who appreciate their combination of performance, luxury, and practicality. Finding well-maintained examples can be challenging, and maintenance costs can be higher than for the four-cylinder or V6 models. However, the 4.2 V8 A6 Avant remains a compelling choice for those seeking a unique and rewarding driving experience.
