1991 Audi 100 vs. 1998 BMW M
To start off, 1998 BMW M is newer by 7 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 3,246 cc (6 cylinders), 1998 BMW M is equipped with a bigger engine. In terms of performance, 1998 BMW M (328 HP @ 7400 RPM) has 215 more horse power than 1991 Audi 100. (113 HP @ 4000 RPM) In normal driving conditions, 1998 BMW M should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1998 BMW M weights approximately 130 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 1998 BMW M 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 1998 BMW M. 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, 1998 BMW M (340 Nm @ 3250 RPM) has 76 more torque (in Nm) than 1991 Audi 100. (264 Nm @ 2250 RPM). This means 1998 BMW M will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100.
Compare all specifications:
| 1991 Audi 100 | 1998 BMW M | |
| Make | Audi | BMW |
| Model | 100 | M |
| Year Released | 1991 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 2461 cc | 3246 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 113 HP | 328 HP |
| Engine RPM | 4000 RPM | 7400 RPM |
| Torque | 264 Nm | 340 Nm |
| Torque RPM | 2250 RPM | 3250 RPM |
| Engine Bore Size | 81 mm | 86.5 mm |
| Engine Stroke Size | 95.5 mm | 91 mm |
| Engine Compression Ratio | 21.0:1 | 11.3:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1320 kg | 1450 kg |
| Vehicle Length | 4800 mm | 4030 mm |
| Vehicle Width | 1790 mm | 1700 mm |
| Vehicle Height | 1450 mm | 1310 mm |
| Wheelbase Size | 2700 mm | 2450 mm |
| Fuel Tank Capacity | 80 L | 51 L |
