The Audi A4 Cabriolet (B6 8H) 2.4 V6 30V with the Multitronic transmission, produced from 2001 to 2003, represented a sophisticated entry into the premium compact convertible market. Positioned as a mid-range offering within the B6 A4 Cabriolet lineup, it bridged the gap between the more economical 1.8T models and the performance-oriented 3.0 V6 variant. This model was part of the larger B6 series (internally designated 8E/8H), which saw significant advancements in chassis technology and interior refinement compared to its predecessor, the B5. The A4 Cabriolet aimed to deliver open-air motoring with Audi’s renowned build quality and a blend of comfort and performance.
Technical Specifications
| Brand | Audi |
| Model | A4 |
| Generation | A4 Cabriolet (B6 8H) |
| Type (Engine) | 2.4 V6 30V (170 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) | 13.9 l/100 km (16.9 US mpg, 20.3 UK mpg, 7.2 km/l) |
| Fuel consumption (extra urban) | 7.4 l/100 km (31.8 US mpg, 38.2 UK mpg, 13.5 km/l) |
| Fuel consumption (combined) | 9.8 l/100 km (24 US mpg, 28.8 UK mpg, 10.2 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 9.8 sec |
| Acceleration 0 – 62 mph | 9.8 sec |
| Acceleration 0 – 60 mph | 9.3 sec |
| Maximum speed | 219 km/h (136.08 mph) |
| Weight-to-power ratio | 9.6 kg/Hp, 103.7 Hp/tonne |
| Weight-to-torque ratio | 7.1 kg/Nm, 140.2 Nm/tonne |
| Power | 170 Hp @ 6000 rpm |
| Power per litre | 71 Hp/l |
| Torque | 230 Nm @ 3200 rpm (169.64 lb.-ft. @ 3200 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | BDV |
| Engine displacement | 2393 cm3 (146.03 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 81 mm (3.19 in.) |
| Piston Stroke | 77.4 mm (3.05 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 l (6.34 US qt | 5.28 UK qt) |
| Coolant capacity | 8 l (8.45 US qt | 7.04 UK qt) |
| Kerb Weight | 1640 kg (3615.58 lbs.) |
| Max. weight | 2120 kg (4673.8 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) |
| 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 | 205/55 R16 |
| Wheel rims size | 7J x 16 |
Powertrain & Engine Architecture
The heart of the A4 Cabriolet 2.4 V6 was the BDV engine, a 2.4-liter naturally aspirated V6. This engine featured a 30-valve (5 valves per cylinder) dual overhead camshaft (DOHC) configuration. It utilized a multi-port fuel injection system, delivering fuel directly into the intake ports. The engine produced 170 horsepower at 6000 rpm and 230 Nm (169.64 lb-ft) of torque at 3200 rpm. The Multitronic transmission, a continuously variable transmission (CVT), was a key feature. 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 smoothness. This transmission was known for its quick shifts and ability to keep the engine in its optimal power band.
Driving Characteristics
The 2.4 V6 with the Multitronic offered a refined driving experience. While not as overtly sporty as the 3.0 V6, it provided ample power for comfortable cruising and spirited driving. The Multitronic transmission contributed to smooth acceleration and minimized gear hunting. Compared to the 1.8T models, the 2.4 V6 offered noticeably more power and torque, resulting in quicker acceleration and improved passing ability. However, the 1.8T with a manual transmission was often considered more engaging for driving enthusiasts. The Multitronic, while smooth, lacked the direct feel of a traditional manual gearbox. The gear ratios were tuned for a balance between fuel economy and performance, prioritizing smooth operation over outright acceleration.
Equipment & Trim Levels
The A4 Cabriolet 2.4 V6 typically came well-equipped, reflecting its position as a mid-range model. Standard features included leather upholstery, automatic climate control, power windows and locks, and an upgraded audio system. Optional extras included heated front seats, a premium sound system, and various cosmetic enhancements. The interior design was typical of Audi at the time, characterized by a clean, functional layout and high-quality materials. The dashboard featured a straightforward instrument cluster and intuitive controls.
Chassis & Braking
The B6 A4 Cabriolet benefited from a fully independent multi-link suspension system at both the front and rear. This suspension design provided a comfortable ride while maintaining good handling characteristics. The 2.4 V6 models were equipped with ventilated disc brakes at the front and solid disc brakes at the rear. Anti-lock braking system (ABS) was standard. The chassis was reinforced to compensate for the lack of a fixed roof, providing adequate torsional rigidity. Stabilizer bars were fitted front and rear to reduce body roll during cornering.
Market Reception & Comparison
The A4 Cabriolet 2.4 V6 was generally well-received by automotive critics. It was praised for its comfortable ride, refined engine, and high-quality interior. However, some reviewers noted that the Multitronic transmission could feel somewhat detached, and the car wasn’t as sporty as some of its competitors. Compared to the 1.8T models, the 2.4 V6 offered a significant performance upgrade, but at a higher price point. The 3.0 V6 provided even more power, but was considerably more expensive and less fuel-efficient. Fuel economy was respectable for a V6 convertible, averaging around 24 mpg in combined driving.
Legacy
The Audi A4 Cabriolet (B6 8H) 2.4 V6 Multitronic has aged reasonably well. The BDV engine is generally considered reliable, although regular maintenance is crucial. The Multitronic transmission, however, is known to be a potential weak point. Proper fluid changes are essential to prevent premature failure. Today, these cars can be found on the used car market at relatively affordable prices. They appeal to buyers looking for a stylish and comfortable convertible with a premium badge. The B6 A4 Cabriolet represents a significant step forward in Audi’s convertible offerings, combining German engineering with open-air driving enjoyment.
