1991 Audi 100 vs. 2003 BMW Z4
To start off, 2003 BMW Z4 is newer by 12 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 2,999 cc (6 cylinders), 2003 BMW Z4 is equipped with a bigger engine. In terms of performance, 2003 BMW Z4 (227 HP @ 6000 RPM) has 114 more horse power than 1991 Audi 100. (113 HP @ 4000 RPM) In normal driving conditions, 2003 BMW Z4 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 100 weights approximately 183 kg more than 2003 BMW Z4.
Because 2003 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 2003 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, 2003 BMW Z4 (291 Nm @ 3500 RPM) has 26 more torque (in Nm) than 1991 Audi 100. (265 Nm @ 2250 RPM). This means 2003 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 | 2003 BMW Z4 | |
| Make | Audi | BMW |
| Model | 100 | Z4 |
| Year Released | 1991 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2461 cc | 2999 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 113 HP | 227 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 265 Nm | 291 Nm |
| Torque RPM | 2250 RPM | 3500 RPM |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 95.5 mm | 90 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1473 kg | 1290 kg |
| Vehicle Length | 4810 mm | 4100 mm |
| Vehicle Width | 1790 mm | 1790 mm |
| Vehicle Height | 1450 mm | 1310 mm |
| Wheelbase Size | 2700 mm | 2500 mm |
| Fuel Tank Capacity | 80 L | 55 L |
