1982 Audi UR vs. 2006 BMW 645
To start off, 2006 BMW 645 is newer by 24 year(s). Which means there will be less support and parts availability for 1982 Audi UR. In addition, the cost of maintenance, including insurance, on 1982 Audi UR would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 131 more horse power than 1982 Audi UR. (197 HP @ 5800 RPM) In normal driving conditions, 2006 BMW 645 should accelerate faster than 1982 Audi UR. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 508 kg more than 1982 Audi UR. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1982 Audi UR is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 645. In wet, icy, snow, or gravel driving conditions, 1982 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 180 more torque (in Nm) than 1982 Audi UR. (270 Nm @ 3000 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1982 Audi UR.
Compare all specifications:
| 1982 Audi UR | 2006 BMW 645 | |
| Make | Audi | BMW |
| Model | UR | 645 |
| Year Released | 1982 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 4398 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 197 HP | 328 HP |
| Engine RPM | 5800 RPM | 6100 RPM |
| Torque | 270 Nm | 450 Nm |
| Torque RPM | 3000 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1302 kg | 1810 kg |
| Vehicle Length | 4430 mm | 4830 mm |
| Vehicle Width | 1690 mm | 1860 mm |
| Vehicle Height | 1390 mm | 1380 mm |
| Wheelbase Size | 2530 mm | 2790 mm |
| Fuel Tank Capacity | 58 L | 70 L |
