The Audi A4 (B5), produced from 1994 to 2001, represented a significant step forward for Audi, establishing the brand as a serious competitor in the premium compact executive car segment. Introduced in August 1997 and continuing through 1999, the 2.8 V6 30V variant, boasting 193 horsepower, occupied a prominent position within the B5 A4 lineup. This model served as a performance-oriented alternative to the base 1.8L four-cylinder engines, offering a more refined driving experience and increased power. It was positioned as a mid-to-upper trim level, appealing to buyers seeking a balance of luxury, performance, and practicality.
Technical Specifications
| Brand | Audi |
| Model | A4 |
| Generation | A4 (B5, Typ 8D) |
| Type (Engine) | 2.8 V6 30V (193 Hp) |
| Start of production | August, 1997 |
| End of production | 1999 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 13.6 l/100 km (17.3 US mpg, 20.8 UK mpg, 7.4 km/l) |
| Fuel consumption (extra urban) | 7.1 l/100 km (33.1 US mpg, 39.8 UK mpg, 14.1 km/l) |
| Fuel consumption (combined) | 8.5 l/100 km (27.7 US mpg, 33.2 UK mpg, 11.8 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 7.3 sec |
| Acceleration 0 – 62 mph | 7.3 sec |
| Acceleration 0 – 60 mph | 6.9 sec |
| Maximum speed | 240 km/h (149.13 mph) |
| Weight-to-power ratio | 6.7 kg/Hp, 150.2 Hp/tonne |
| Weight-to-torque ratio | 4.6 kg/Nm, 217.9 Nm/tonne |
| Power | 193 Hp @ 6000 rpm |
| Power per litre | 69.6 Hp/l |
| Torque | 280 Nm @ 3200 rpm (206.52 lb.-ft. @ 3200 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | ACK, APR, AQD |
| Engine displacement | 2771 cm3 (169.1 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 82.5 mm (3.25 in.) |
| Piston Stroke | 86.4 mm (3.4 in.) |
| Compression ratio | 10.6:1 |
| 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 | 8 l (8.45 US qt | 7.04 UK qt) |
| Kerb Weight | 1285 kg (2832.94 lbs.) |
| Max. weight | 1835 kg (4045.48 lbs.) |
| Max load | 550 kg (1212.54 lbs.) |
| Trunk (boot) space – minimum | 440 l (15.54 cu. ft.) |
| Fuel tank capacity | 62 l (16.38 US gal | 13.64 UK gal) |
| Length | 4479 mm (176.34 in.) |
| Width | 1733 mm (68.23 in.) |
| Height | 1415 mm (55.71 in.) |
| Wheelbase | 2617 mm (103.03 in.) |
| Front track | 1498 mm (58.98 in.) |
| Rear (Back) track | 1479 mm (58.23 in.) |
| Drag coefficient (Cd) | 0.31 |
| 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 | 5 gears, manual transmission |
| Front suspension | Wishbone |
| Rear suspension | Suspension with traction connecting levers |
| 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 | 205/60 R15 |
| Wheel rims size | 15 |
Powertrain & Engine Architecture
The heart of the 2.8 V6 30V A4 is the ACK, APR, or AQD engine code, a 2.8-liter naturally aspirated V6. This engine featured a 90-degree V-angle, contributing to its smooth operation and relatively compact size. The “30V” designation refers to the five valves per cylinder (three intake, two exhaust), enhancing volumetric efficiency and contributing to the engine’s power output. Fuel delivery was managed by a Bosch Motronic multi-port fuel injection system, precisely metering fuel into each intake port. The engine’s valvetrain employed double overhead camshafts (DOHC), allowing for precise control of valve timing and lift. The five-speed manual transmission was the standard offering, providing drivers with direct control over the engine’s power. The transmission was known for its robust construction and relatively precise shift feel.
Driving Characteristics
The 2.8 V6 A4 offered a noticeable performance upgrade over the base 1.8L models. The 193 horsepower and 280 Nm (206 lb-ft) of torque provided brisk acceleration, with 0-60 mph times consistently in the low 7-second range. While not a sports car, the V6 delivered ample power for confident highway merging and passing maneuvers. The manual transmission allowed for engaging driving experience, and the gear ratios were well-matched to the engine’s powerband. Compared to the 1.8T models, the V6 lacked the low-end torque of the turbocharged engine, requiring slightly higher engine speeds to maintain momentum. However, the V6 offered a more linear power delivery and a distinctive exhaust note.
Equipment & Trim Levels
The 2.8 V6 A4 typically came well-equipped, reflecting its position as a mid-to-upper trim level. Standard features often included power windows, power locks, air conditioning, and an upgraded audio system. Interior upholstery was typically cloth, with leather options available. Alloy wheels were also standard. Optional extras included a sunroof, heated seats, automatic climate control, and a premium audio system. The dashboard layout was functional and well-designed, with clear instrumentation and intuitive controls.
Chassis & Braking
The B5 A4 featured a fully independent suspension system, with wishbones at the front and a semi-independent suspension with trailing arms at the rear. This setup provided a comfortable ride while maintaining good handling characteristics. The 2.8 V6 models typically featured larger brakes than the base models, with ventilated discs at the front and solid discs at the rear. Anti-lock braking system (ABS) was standard, enhancing safety and control during hard braking. The steering was a rack-and-pinion system with hydraulic power assistance, providing precise and responsive steering feel.
Market Reception & Comparison
The 2.8 V6 A4 was generally well-received by automotive critics. It was praised for its smooth engine, refined driving experience, and comfortable interior. However, some critics noted that the V6 lacked the fuel efficiency of the 1.8T models. Compared to the 1.8T, the V6 offered a more traditional driving experience, with a focus on smooth power delivery rather than turbocharged boost. The 1.8T was often favored by those seeking better fuel economy and low-end torque, while the V6 appealed to drivers who preferred a more refined and naturally aspirated engine.
Legacy
The 2.8 V6 engine in the B5 A4 has proven to be a relatively reliable powertrain, provided it receives regular maintenance. Common issues include oil leaks and occasional sensor failures. However, the engine is generally known for its durability and longevity. Today, the B5 A4 2.8 V6 remains a popular choice among enthusiasts, offering a blend of classic Audi styling, comfortable driving experience, and relatively affordable price. Parts availability is generally good, making it a viable option for those seeking a well-maintained and enjoyable classic Audi.
