1981 Audi UR vs. 2010 Porsche 911
To start off, 2010 Porsche 911 is newer by 29 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 3,800 cc (6 cylinders), 2010 Porsche 911 is equipped with a bigger engine. In terms of performance, 2010 Porsche 911 (500 HP @ 6000 RPM) has 303 more horse power than 1981 Audi UR. (197 HP @ 5500 RPM) In normal driving conditions, 2010 Porsche 911 should accelerate faster than 1981 Audi UR. With that said, vehicle weight also plays an important factor in acceleration. 2010 Porsche 911 weights approximately 395 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.
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, 2010 Porsche 911 (650 Nm @ 1950 RPM) has 365 more torque (in Nm) than 1981 Audi UR. (285 Nm @ 3500 RPM). This means 2010 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi UR.
Compare all specifications:
| 1981 Audi UR | 2010 Porsche 911 | |
| Make | Audi | Porsche |
| Model | UR | 911 |
| Year Released | 1981 | 2010 |
| Engine Position | Front | Rear |
| Engine Size | 2144 cc | 3800 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 500 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 285 Nm | 650 Nm |
| Torque RPM | 3500 RPM | 1950 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1250 kg | 1645 kg |
| Vehicle Length | 4430 mm | 4478 mm |
| Vehicle Width | 1690 mm | 1852 mm |
| Vehicle Height | 1360 mm | 1300 mm |
| Wheelbase Size | 2530 mm | 2350 mm |
| Fuel Tank Capacity | 70 L | 67 L |
