2008 Audi A4 vs. 2003 BMW M3
To start off, 2008 Audi A4 is newer by 5 year(s). Which means there will be less support and parts availability for 2003 BMW M3. In addition, the cost of maintenance, including insurance, on 2003 BMW M3 would be higher. At 3,123 cc (6 cylinders), 2008 Audi A4 is equipped with a bigger engine. In terms of performance, 2008 Audi A4 (255 HP @ 6500 RPM) has 15 more horse power than 2003 BMW M3. (240 HP @ 6000 RPM). In normal driving conditions, 2008 Audi A4 should accelerate faster than 2003 BMW M3. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW M3 weights approximately 282 kg more than 2008 Audi A4.
Because 2008 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, 2008 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, 2008 Audi A4 (330 Nm @ 3250 RPM) has 30 more torque (in Nm) than 2003 BMW M3. (300 Nm @ 4250 RPM). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW M3.
Compare all specifications:
| 2008 Audi A4 | 2003 BMW M3 | |
| Make | Audi | BMW |
| Model | A4 | M3 |
| Year Released | 2008 | 2003 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 255 HP | 240 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 330 Nm | 300 Nm |
| Torque RPM | 3250 RPM | 4250 RPM |
| Engine Bore Size | 84.5 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 85.8 mm |
| Engine Compression Ratio | 12.5:1 | 10.5:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1160 kg | 1442 kg |
| Vehicle Length | 4590 mm | 4440 mm |
| Vehicle Width | 1780 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1340 mm |
| Wheelbase Size | 2660 mm | 2730 mm |
| Fuel Tank Capacity | 63 L | 65 L |
