2005 Audi RS4 vs. 1991 BMW 325
To start off, 2005 Audi RS4 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 BMW 325. In addition, the cost of maintenance, including insurance, on 1991 BMW 325 would be higher. At 2,671 cc (6 cylinders), 2005 Audi RS4 is equipped with a bigger engine. In terms of performance, 2005 Audi RS4 (376 HP @ 6300 RPM) has 263 more horse power than 1991 BMW 325. (113 HP @ 4800 RPM). In normal driving conditions, 2005 Audi RS4 should accelerate faster than 1991 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi RS4 weights approximately 151 kg more than 1991 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 1991 BMW 325. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi RS4 (449 Nm @ 2500 RPM) has 229 more torque (in Nm) than 1991 BMW 325. (220 Nm @ 1900 RPM). This means 2005 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 325.
Compare all specifications:
| 2005 Audi RS4 | 1991 BMW 325 | |
| Make | Audi | BMW |
| Model | RS4 | 325 |
| Year Released | 2005 | 1991 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 2443 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 376 HP | 113 HP |
| Engine RPM | 6300 RPM | 4800 RPM |
| Torque | 449 Nm | 220 Nm |
| Torque RPM | 2500 RPM | 1900 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1585 kg | 1434 kg |
| Vehicle Length | 4600 mm | 4440 mm |
| Vehicle Width | 1820 mm | 1710 mm |
| Vehicle Height | 1420 mm | 1400 mm |
| Wheelbase Size | 2610 mm | 2710 mm |
| Fuel Tank Capacity | 55 L | 70 L |
