1991 Audi 100 vs. 2008 BMW 545
To start off, 2008 BMW 545 is newer by 17 year(s). Which means there will be less support and parts availability for 1991 Audi 100. In addition, the cost of maintenance, including insurance, on 1991 Audi 100 would be higher. At 4,397 cc (8 cylinders), 2008 BMW 545 is equipped with a bigger engine. In terms of performance, 2008 BMW 545 (328 HP @ 6100 RPM) has 157 more horse power than 1991 Audi 100. (171 HP @ 5500 RPM) In normal driving conditions, 2008 BMW 545 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 545 weights approximately 255 kg more than 1991 Audi 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 BMW 545 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2008 BMW 545. However, in wet, icy, snow, or gravel driving conditions, 1991 Audi 100, being front wheel drive (FWD), will offer much better control with better grip. 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 BMW 545 (450 Nm @ 3600 RPM) has 200 more torque (in Nm) than 1991 Audi 100. (250 Nm @ 3000 RPM). This means 2008 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100.
Compare all specifications:
| 1991 Audi 100 | 2008 BMW 545 | |
| Make | Audi | BMW |
| Model | 100 | 545 |
| Year Released | 1991 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2771 cc | 4397 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 171 HP | 328 HP |
| Engine RPM | 5500 RPM | 6100 RPM |
| Torque | 250 Nm | 450 Nm |
| Torque RPM | 3000 RPM | 3600 RPM |
| Engine Bore Size | 82.5 mm | 92 mm |
| Engine Stroke Size | 86.4 mm | 82.7 mm |
| Engine Compression Ratio | 10.3:1 | 10.0:1 |
| Top Speed | 212 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 5.8 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1450 kg | 1705 kg |
| Vehicle Length | 4800 mm | 4850 mm |
| Vehicle Width | 1780 mm | 1850 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2690 mm | 2890 mm |
| Fuel Tank Capacity | 80 L | 70 L |
