2002 Audi A4 vs. 2003 BMW M3
To start off, 2003 BMW M3 is newer by 1 year(s). Which means there will be less support and parts availability for 2002 Audi A4. In addition, the cost of maintenance, including insurance, on 2002 Audi A4 would be higher. At 3,168 cc (6 cylinders), 2003 BMW M3 is equipped with a bigger engine. In terms of performance, 2003 BMW M3 (342 HP @ 7900 RPM) has 181 more horse power than 2002 Audi A4. (161 HP @ 5700 RPM) In normal driving conditions, 2003 BMW M3 should accelerate faster than 2002 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2002 Audi A4 weights approximately 85 kg more than 2003 BMW M3.
Because 2002 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2003 BMW M3. In wet, icy, snow, or gravel driving conditions, 2002 Audi A4 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2003 BMW M3 (350 Nm @ 4900 RPM) has 125 more torque (in Nm) than 2002 Audi A4. (225 Nm @ 1950 RPM). This means 2003 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 2002 Audi A4.
Compare all specifications:
| 2002 Audi A4 | 2003 BMW M3 | |
| Make | Audi | BMW |
| Model | A4 | M3 |
| Year Released | 2002 | 2003 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 3168 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 342 HP |
| Engine RPM | 5700 RPM | 7900 RPM |
| Torque | 225 Nm | 350 Nm |
| Torque RPM | 1950 RPM | 4900 RPM |
| Engine Bore Size | 81 mm | 87 mm |
| Engine Stroke Size | 86.4 mm | 91 mm |
| Engine Compression Ratio | 9.3:1 | 11.5:1 |
| Top Speed | 226 km/hour | 259 km/hour |
| Acceleration 0-100mph | 8.7 seconds | 4.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1470 kg | 1385 kg |
| Vehicle Length | 4550 mm | 4500 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1370 mm |
| Wheelbase Size | 2760 mm | 2730 mm |
| Fuel Consumption | 7.3 L/100km | 8.4 L/100km |
| Fuel Consumption City | 12.9 L/100km | 17.8 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 66 L | 63 L |
