1981 Audi UR vs. 2011 Audi R8
To start off, 2011 Audi R8 is newer by 30 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 4,200 cc (8 cylinders), 2011 Audi R8 is equipped with a bigger engine. In terms of performance, 2011 Audi R8 (420 HP @ 7800 RPM) has 223 more horse power than 1981 Audi UR. (197 HP @ 5500 RPM) In normal driving conditions, 2011 Audi R8 should accelerate faster than 1981 Audi UR.
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, 2011 Audi R8 (430 Nm @ 4500 RPM) has 145 more torque (in Nm) than 1981 Audi UR. (285 Nm @ 3500 RPM). This means 2011 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi UR.
Compare all specifications:
| 1981 Audi UR | 2011 Audi R8 | |
| Make | Audi | Audi |
| Model | UR | R8 |
| Year Released | 1981 | 2011 |
| Engine Position | Front | Middle |
| Engine Size | 2144 cc | 4200 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 420 HP |
| Engine RPM | 5500 RPM | 7800 RPM |
| Torque | 285 Nm | 430 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4430 mm | 4435 mm |
| Vehicle Width | 1690 mm | 1905 mm |
| Vehicle Height | 1360 mm | 1245 mm |
| Wheelbase Size | 2530 mm | 2649 mm |
| Fuel Tank Capacity | 70 L | 90 L |
