1991 Audi 100 vs. 2009 BMW Z4
To start off, 2009 BMW Z4 is newer by 18 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), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (338 HP @ 7900 RPM) has 207 more horse power than 1991 Audi 100. (131 HP @ 5500 RPM) In normal driving conditions, 2009 BMW Z4 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW Z4 weights approximately 75 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 2009 BMW Z4 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 2009 BMW Z4. 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, 2009 BMW Z4 (365 Nm @ 4900 RPM) has 179 more torque (in Nm) than 1991 Audi 100. (186 Nm @ 4000 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100.
Compare all specifications:
| 1991 Audi 100 | 2009 BMW Z4 | |
| Make | Audi | BMW |
| Model | 100 | Z4 |
| Year Released | 1991 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 3246 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 131 HP | 338 HP |
| Engine RPM | 5500 RPM | 7900 RPM |
| Torque | 186 Nm | 365 Nm |
| Torque RPM | 4000 RPM | 4900 RPM |
| Engine Compression Ratio | 10.0:1 | 11.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1410 kg | 1485 kg |
| Vehicle Length | 4800 mm | 4120 mm |
| Vehicle Width | 1780 mm | 1310 mm |
| Vehicle Height | 1450 mm | 1790 mm |
