1981 Audi UR vs. 1980 BMW 725
To start off, 1981 Audi UR is newer by 1 year(s). Which means there will be less support and parts availability for 1980 BMW 725. In addition, the cost of maintenance, including insurance, on 1980 BMW 725 would be higher. At 2,495 cc (6 cylinders), 1980 BMW 725 is equipped with a bigger engine. In terms of performance, 1981 Audi UR (197 HP @ 5500 RPM) has 49 more horse power than 1980 BMW 725. (148 HP @ 5500 RPM). In normal driving conditions, 1981 Audi UR should accelerate faster than 1980 BMW 725.
Because 1981 Audi UR is four wheel drive (4WD), it will have significant more traction and grip than 1980 BMW 725. 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, 1981 Audi UR (285 Nm @ 3500 RPM) has 70 more torque (in Nm) than 1980 BMW 725. (215 Nm @ 4000 RPM). This means 1981 Audi UR will have an easier job in driving up hills or pulling heavy equipment than 1980 BMW 725.
Compare all specifications:
| 1981 Audi UR | 1980 BMW 725 | |
| Make | Audi | BMW |
| Model | UR | 725 |
| Year Released | 1981 | 1980 |
| Engine Position | Front | Front |
| Engine Size | 2144 cc | 2495 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 197 HP | 148 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 285 Nm | 215 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 79.5 mm | 86 mm |
| Engine Stroke Size | 86.4 mm | 71.6 mm |
| Engine Compression Ratio | 7.0:1 | 9.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4430 mm | 4870 mm |
| Vehicle Width | 1690 mm | 1810 mm |
| Vehicle Height | 1360 mm | 1440 mm |
| Wheelbase Size | 2530 mm | 2810 mm |
