2009 Audi RS4 vs. 1991 BMW 318
To start off, 2009 Audi RS4 is newer by 18 year(s). Which means there will be less support and parts availability for 1991 BMW 318. In addition, the cost of maintenance, including insurance, on 1991 BMW 318 would be higher. At 4,163 cc (8 cylinders), 2009 Audi RS4 is equipped with a bigger engine. In terms of performance, 2009 Audi RS4 (414 HP @ 7800 RPM) has 274 more horse power than 1991 BMW 318. (140 HP @ 6000 RPM). In normal driving conditions, 2009 Audi RS4 should accelerate faster than 1991 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi RS4 weights approximately 410 kg more than 1991 BMW 318. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 1991 BMW 318. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi RS4 (430 Nm @ 5500 RPM) has 255 more torque (in Nm) than 1991 BMW 318. (175 Nm @ 4500 RPM). This means 2009 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 318.
Compare all specifications:
| 2009 Audi RS4 | 1991 BMW 318 | |
| Make | Audi | BMW |
| Model | RS4 | 318 |
| Year Released | 2009 | 1991 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 414 HP | 140 HP |
| Engine RPM | 7800 RPM | 6000 RPM |
| Torque | 430 Nm | 175 Nm |
| Torque RPM | 5500 RPM | 4500 RPM |
| Engine Compression Ratio | 12.5:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 208 km/hour |
| Acceleration 0-100mph | 4.8 seconds | 10.2 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 | 1650 kg | 1240 kg |
| Vehicle Length | 4590 mm | 4440 mm |
| Vehicle Width | 1820 mm | 1720 mm |
| Vehicle Height | 1420 mm | 1370 mm |
| Wheelbase Size | 2660 mm | 2710 mm |
| Fuel Tank Capacity | 63 L | 65 L |
