1981 Audi UR vs. 2008 BMW Z4
To start off, 2008 BMW Z4 is newer by 27 year(s). Which means there will be less support and parts availability for 1981 Audi UR. In addition, the cost of maintenance, including insurance, on 1981 Audi UR would be higher. At 3,246 cc (6 cylinders), 2008 BMW Z4 is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (338 HP @ 7900 RPM) has 141 more horse power than 1981 Audi UR. (197 HP @ 5800 RPM) In normal driving conditions, 2008 BMW Z4 should accelerate faster than 1981 Audi UR. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW Z4 weights approximately 195 kg more than 1981 Audi UR. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1981 Audi UR is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW Z4. In wet, icy, snow, or gravel driving conditions, 1981 Audi UR 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, 2008 BMW Z4 (365 Nm @ 4900 RPM) has 95 more torque (in Nm) than 1981 Audi UR. (270 Nm @ 3000 RPM). This means 2008 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi UR.
Compare all specifications:
| 1981 Audi UR | 2008 BMW Z4 | |
| Make | Audi | BMW |
| Model | UR | Z4 |
| Year Released | 1981 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 3246 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 197 HP | 338 HP |
| Engine RPM | 5800 RPM | 7900 RPM |
| Torque | 270 Nm | 365 Nm |
| Torque RPM | 3000 RPM | 4900 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1300 kg | 1495 kg |
| Vehicle Length | 4430 mm | 4870 mm |
| Vehicle Width | 1690 mm | 1790 mm |
| Vehicle Height | 1390 mm | 1470 mm |
| Wheelbase Size | 2530 mm | 2500 mm |
| Fuel Tank Capacity | 58 L | 60 L |
