1981 Audi UR vs. 2009 BMW 535
To start off, 2009 BMW 535 is newer by 28 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 2,979 cc (6 cylinders), 2009 BMW 535 is equipped with a bigger engine. In terms of performance, 2009 BMW 535 (300 HP @ 5800 RPM) has 103 more horse power than 1981 Audi UR. (197 HP @ 5500 RPM) In normal driving conditions, 2009 BMW 535 should accelerate faster than 1981 Audi UR.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 535 (407 Nm @ 1400 RPM) has 122 more torque (in Nm) than 1981 Audi UR. (285 Nm @ 3500 RPM). This means 2009 BMW 535 will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi UR.
Compare all specifications:
| 1981 Audi UR | 2009 BMW 535 | |
| Make | Audi | BMW |
| Model | UR | 535 |
| Year Released | 1981 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2144 cc | 2979 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 300 HP |
| Engine RPM | 5500 RPM | 5800 RPM |
| Torque | 285 Nm | 407 Nm |
| Torque RPM | 3500 RPM | 1400 RPM |
| Engine Bore Size | 79.5 mm | 84 mm |
| Engine Stroke Size | 86.4 mm | 89.6 mm |
| Engine Compression Ratio | 7.0:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4430 mm | 4860 mm |
| Vehicle Width | 1690 mm | 1850 mm |
| Vehicle Height | 1360 mm | 1490 mm |
| Wheelbase Size | 2530 mm | 2890 mm |
| Fuel Tank Capacity | 70 L | 70 L |
