2003 Audi RS4 vs. 2009 BMW 125
To start off, 2009 BMW 125 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Audi RS4. In addition, the cost of maintenance, including insurance, on 2003 Audi RS4 would be higher. At 2,671 cc (6 cylinders), 2003 Audi RS4 is equipped with a bigger engine. In terms of performance, 2003 Audi RS4 (377 HP @ 6300 RPM) has 162 more horse power than 2009 BMW 125. (215 HP @ 6500 RPM). In normal driving conditions, 2003 Audi RS4 should accelerate faster than 2009 BMW 125. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi RS4 weights approximately 259 kg more than 2009 BMW 125. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 125. In wet, icy, snow, or gravel driving conditions, 2003 Audi RS4 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 Audi RS4 (449 Nm @ 2500 RPM) has 199 more torque (in Nm) than 2009 BMW 125. (250 Nm @ 2750 RPM). This means 2003 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 125.
Compare all specifications:
| 2003 Audi RS4 | 2009 BMW 125 | |
| Make | Audi | BMW |
| Model | RS4 | 125 |
| Year Released | 2003 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 377 HP | 215 HP |
| Engine RPM | 6300 RPM | 6500 RPM |
| Torque | 449 Nm | 250 Nm |
| Torque RPM | 2500 RPM | 2750 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1585 kg | 1326 kg |
| Vehicle Length | 4480 mm | 4370 mm |
| Vehicle Width | 1740 mm | 1430 mm |
| Vehicle Height | 1450 mm | 1760 mm |
| Wheelbase Size | 2610 mm | 2670 mm |
| Fuel Tank Capacity | 55 L | 53 L |
