The Audi A4 (B6) 1.9 TDI 130 hp Multitronic, produced from September 2000 to 2004, represented a significant offering in the compact executive car segment, particularly in Europe. Positioned as a fuel-efficient and technologically advanced option within the B6 A4 range (the 8E chassis code), it aimed to balance performance with practicality. This variant catered to drivers seeking a comfortable and economical daily driver, offering a step up from the base petrol models while remaining more accessible than the higher-performance options like the 3.0 V6. The B6 generation A4 was a pivotal model for Audi, introducing a more modern design language and improved build quality compared to its predecessor.
Technical Specifications
| Brand | Audi |
| Model | A4 |
| Generation | A4 (B6 8E) |
| Type (Engine) | 1.9 TDI (130 Hp) Multitronic |
| Start of production | September, 2000 |
| End of production | 2004 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 7.4 l/100 km (31.8 US mpg, 38.2 UK mpg, 13.5 km/l) |
| Fuel consumption (extra urban) | 4.4 l/100 km (53.5 US mpg, 64.2 UK mpg, 22.7 km/l) |
| Fuel consumption (combined) | 5.5 l/100 km (42.8 US mpg, 51.4 UK mpg, 18.2 km/l) |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 10.1 sec |
| Acceleration 0 – 62 mph | 10.1 sec |
| Acceleration 0 – 60 mph | 9.6 sec |
| Maximum speed | 205 km/h (127.38 mph) |
| Emission standard | Euro 3 |
| Weight-to-power ratio | 11 kg/Hp, 90.9 Hp/tonne |
| Weight-to-torque ratio | 4.6 kg/Nm, 216.8 Nm/tonne |
| Power | 130 Hp @ 4000 rpm |
| Power per litre | 68.6 Hp/l |
| Torque | 310 Nm @ 1900 rpm (228.64 lb.-ft. @ 1900 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | AVF, AWX |
| Engine displacement | 1896 cm3 (115.7 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 79.5 mm (3.13 in.) |
| Piston Stroke | 95.5 mm (3.76 in.) |
| Compression ratio | 19:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Pump-nozzle (Unit Injector) |
| Engine aspiration | Turbocharger |
| Valvetrain | SOHC |
| Engine oil capacity | 3.7 l (3.91 US qt | 3.26 UK qt) |
| Coolant | 6 l (6.34 US qt | 5.28 UK qt) |
| Kerb Weight | 1430 kg (3152.61 lbs.) |
| Max. weight | 1980 kg (4365.15 lbs.) |
| Max load | 550 kg (1212.54 lbs.) |
| Trunk (boot) space – minimum | 445 l (15.72 cu. ft.) |
| Trunk (boot) space – maximum | 720 l (25.43 cu. ft.) |
| Fuel tank capacity | 70 l (18.49 US gal | 15.4 UK gal) |
| Length | 4548 mm (179.06 in.) |
| Width | 1772 mm (69.76 in.) |
| Height | 1428 mm (56.22 in.) |
| Wheelbase | 2650 mm (104.33 in.) |
| Front track | 1528 mm (60.16 in.) |
| Rear (Back) track | 1526 mm (60.08 in.) |
| Drag coefficient (Cd) | 0.29 |
| 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 | 195/65 R15 |
| Wheel rims size | 7J x 15 |
Powertrain & Engine Architecture
The heart of the A4 1.9 TDI Multitronic is the 1.9-liter (1896 cc) inline-four cylinder diesel engine, typically identified by engine codes AVF or AWX. This engine utilizes a pump-nozzle (unit injector) fuel injection system, a technology known for its precision and efficiency in delivering fuel directly into the combustion chamber. The engine features a single overhead camshaft (SOHC) valvetrain operating two valves per cylinder. A turbocharger with an intercooler is employed to boost power and torque, providing 130 horsepower at 4000 rpm and a substantial 310 Nm (228.64 lb-ft) of torque at a low 1900 rpm. The Multitronic transmission is a continuously variable transmission (CVT) offering smooth, stepless gear changes. It differs from traditional automatic transmissions with fixed gear ratios, providing a wider range of ratios for optimal efficiency and performance.
Driving Characteristics
The 1.9 TDI Multitronic offered a distinctly different driving experience compared to the more powerful A4 variants. While not a sports car, the engine’s strong low-end torque made it surprisingly capable in everyday driving situations. The Multitronic transmission, while smooth, could sometimes feel less responsive than a traditional automatic or manual gearbox, particularly during quick acceleration. The CVT’s programming prioritized fuel efficiency, meaning the engine often remained at lower RPMs unless significant throttle input was provided. Compared to the 1.8T petrol engine, the 1.9 TDI offered superior fuel economy and a more relaxed cruising experience. However, the petrol engine provided quicker acceleration and a more engaging driving feel. The 1.9 TDI was also noticeably more refined than the later 2.0 TDI engines, which, while offering more power, often exhibited more diesel engine noise and vibration.
Equipment & Trim Levels
The A4 1.9 TDI Multitronic typically came equipped with a respectable level of standard features. These included air conditioning, power windows, central locking, and an integrated audio system. Interior upholstery was generally cloth, although leather options were available. Trim levels varied by market, but common options included alloy wheels, a sunroof, and upgraded audio systems. Safety features such as ABS (Anti-lock Braking System) and front airbags were standard. The Multitronic transmission itself was often considered a premium feature, setting this variant apart from the base models equipped with manual transmissions.
Chassis & Braking
The B6 A4 featured an independent multi-link suspension system at both the front and rear, providing a comfortable ride and good handling characteristics. The 1.9 TDI models typically used ventilated disc brakes at the front and solid disc brakes at the rear. The suspension was tuned to prioritize comfort and stability, rather than outright sportiness. Stabilizer bars were fitted front and rear to reduce body roll during cornering. The steering utilized a hydraulic power steering system, offering a balanced feel and reasonable feedback.
Market Reception & Comparison
The Audi A4 1.9 TDI Multitronic was well-received by automotive critics for its fuel efficiency, comfortable ride, and refined interior. It was often praised as a practical and sensible choice for drivers covering long distances. However, some critics noted the Multitronic transmission’s occasionally sluggish response and the engine’s lack of outright power compared to its petrol counterparts. In terms of reliability, the 1.9 TDI engine proved to be robust and durable, although the Multitronic transmission could be prone to issues if not properly maintained. Compared to the 1.8T petrol engine, the TDI offered significantly better fuel economy, but at the expense of performance. The 2.0 TDI, introduced later in the B6 lifecycle, offered more power but often lacked the refinement of the 1.9-liter engine.
Legacy
The Audi A4 (B6) 1.9 TDI Multitronic remains a popular choice in the used car market, particularly in Europe. The engine’s reputation for reliability and fuel efficiency continues to attract buyers. However, potential buyers should be aware of the potential maintenance costs associated with the Multitronic transmission. Regular fluid changes and careful driving habits are essential to ensure its longevity. The B6 A4, in general, is considered a well-built and durable car, and the 1.9 TDI Multitronic variant represents a compelling option for those seeking a comfortable, economical, and reliable compact executive car.
