The Audi A4 Cabriolet (B6 8H) 3.0 V6 30V, equipped with the Multitronic continuously variable transmission, was a premium open-top offering from Audi produced between 2001 and 2003. Positioned as the flagship engine option for the B6 Cabriolet range, it represented a significant step up in performance and refinement compared to the 1.8T and 2.0 models. This variant was part of the broader B6 A4 family, which utilized the Volkswagen Group’s 1HX0/A3 platform, and aimed to compete with other luxury convertibles like the BMW 3 Series Convertible and Mercedes-Benz CLK.
Technical Specifications
| Brand | Audi |
| Model | A4 |
| Generation | A4 Cabriolet (B6 8H) |
| Type (Engine) | 3.0 V6 30V (220 Hp) Multitronic |
| Start of production | 2001 |
| End of production | 2003 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Cabriolet |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 13.8 l/100 km (17 US mpg, 20.5 UK mpg, 7.2 km/l) |
| Fuel consumption (extra urban) | 7.3 l/100 km (32.2 US mpg, 38.7 UK mpg, 13.7 km/l) |
| Fuel consumption (combined) | 9.7 l/100 km (24.2 US mpg, 29.1 UK mpg, 10.3 km/l) |
| CO2 emissions | 233 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 7.8 sec |
| Acceleration 0 – 62 mph | 7.8 sec |
| Acceleration 0 – 60 mph | 7.4 sec |
| Maximum speed | 234 km/h (145.4 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 7.4 kg/Hp, 135 Hp/tonne |
| Weight-to-torque ratio | 5.4 kg/Nm, 184 Nm/tonne |
| Power | 220 Hp @ 6300 rpm |
| Power per litre | 73.9 Hp/l |
| Torque | 300 Nm @ 3200 rpm (221.27 lb.-ft. @ 3200 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | ASN, AVK |
| Engine displacement | 2976 cm3 (181.61 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 82.5 mm (3.25 in.) |
| Piston Stroke | 92.8 mm (3.65 in.) |
| Compression ratio | 10.5:1 |
| Number of valves per cylinder | 5 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 6.3 l (6.66 US qt | 5.54 UK qt) |
| Coolant | 9 l (9.51 US qt | 7.92 UK qt) |
| Kerb Weight | 1630 kg (3593.53 lbs.) |
| Max. weight | 2110 kg (4651.75 lbs.) |
| Max load | 480 kg (1058.22 lbs.) |
| Trunk (boot) space – minimum | 246 l (8.69 cu. ft.) |
| Trunk (boot) space – maximum | 315 l (11.12 cu. ft.) |
| Fuel tank capacity | 70 l (18.49 US gal | 15.4 UK gal) |
| Permitted trailer load with brakes (8%) | 1800 kg (3968.32 lbs.) |
| Permitted trailer load with brakes (12%) | 1700 kg (3747.86 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 80 kg (176.37 lbs.) |
| Length | 4573 mm (180.04 in.) |
| Width | 1777 mm (69.96 in.) |
| Height | 1391 mm (54.76 in.) |
| Wheelbase | 2654 mm (104.49 in.) |
| Front track | 1523 mm (59.96 in.) |
| Rear (Back) track | 1523 mm (59.96 in.) |
| Drag coefficient (Cd) | 0.30 |
| Minimum turning circle | 11.1 m (36.42 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | automatic transmission Multitronic |
| Front suspension | Independent multi-link suspension |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 215/55 R16 |
| Wheel rims size | 7J x 16 |
Powertrain & Engine Architecture
The heart of the A4 Cabriolet 3.0 V6 was the ASN or AVK engine code, a 2.976-liter naturally aspirated V6. This engine featured a 60-degree V-angle, four valves per cylinder (30 valves total) operated by dual overhead camshafts (DOHC), and multi-port fuel injection. The engine produced 220 horsepower at 6300 rpm and 300 Nm (221 lb-ft) of torque at 3200 rpm. The Multitronic transmission, a continuously variable transmission (CVT), was standard. Unlike traditional automatic transmissions with fixed gear ratios, the Multitronic used a chain-driven system to provide a virtually infinite number of ratios, optimizing engine efficiency and responsiveness. The Multitronic was known for its smooth operation and ability to keep the engine in its optimal power band.
Driving Characteristics
The 3.0 V6 Multitronic combination offered a refined and capable driving experience. While not as overtly sporty as the manual transmission versions, the Multitronic provided smooth and seamless acceleration. The CVT’s ability to maintain the engine at its peak torque output resulted in strong mid-range performance, making it well-suited for everyday driving and highway cruising. The 7.8-second 0-60 mph acceleration time was respectable for the era, and the engine’s smooth power delivery made it easy to modulate. Compared to the 1.8T models, the V6 offered significantly more power and torque, resulting in a more relaxed and confident driving experience. However, the Multitronic, while smooth, lacked the direct feel and engagement of a traditional manual gearbox.
Equipment & Trim Levels
The 3.0 V6 Cabriolet typically came well-equipped, reflecting its position as the premium trim level. Standard features included leather upholstery, automatic climate control, power-adjustable front seats, a premium audio system, and alloy wheels. Optional extras included navigation system, heated seats, and a wind deflector to reduce turbulence in the cabin with the top down. Interior trim options typically included wood or aluminum accents. The dashboard layout was typical of early 2000s Audis, characterized by a clean and functional design.
Chassis & Braking
The A4 Cabriolet featured an independent multi-link suspension at both the front and rear, providing a comfortable ride and good handling characteristics. The front brakes were ventilated discs, while the rear brakes were solid discs. Anti-lock braking system (ABS) was standard. The chassis was reinforced compared to the A4 sedan to compensate for the lack of a fixed roof, enhancing structural rigidity. Stabilizer bars were fitted front and rear to reduce body roll during cornering.
Market Reception & Comparison
The A4 Cabriolet 3.0 V6 Multitronic was generally well-received by automotive critics. It was praised for its refined engine, smooth transmission, and comfortable ride. However, some reviewers noted that the Multitronic transmission lacked the sporty feel of a manual gearbox. Fuel economy was considered average for a V6-powered convertible. Compared to the 1.8T models, the 3.0 V6 offered a significant performance upgrade but came at a higher price point. The 1.8T models were more fuel-efficient and affordable, appealing to a broader range of buyers.
Legacy
The ASN and AVK V6 engines, when properly maintained, have proven to be relatively reliable. The Multitronic transmission, however, is known to require more frequent and specialized maintenance, including fluid changes, to prevent premature failure. Today, the A4 Cabriolet 3.0 V6 is a sought-after classic, appreciated for its combination of luxury, performance, and open-air driving enjoyment. Well-maintained examples command a premium in the used car market. The Multitronic transmission remains the primary concern for potential buyers, and a thorough inspection of its service history is crucial before purchase.
