1981 Audi UR vs. 1978 Porsche 911
To start off, 1981 Audi UR is newer by 3 year(s). Which means there will be less support and parts availability for 1978 Porsche 911. In addition, the cost of maintenance, including insurance, on 1978 Porsche 911 would be higher. At 2,994 cc (6 cylinders), 1978 Porsche 911 is equipped with a bigger engine. In terms of performance, 1981 Audi UR (197 HP @ 5800 RPM) has 12 more horse power than 1978 Porsche 911. (185 HP @ 5500 RPM). In normal driving conditions, 1981 Audi UR should accelerate faster than 1978 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 1981 Audi UR weights approximately 120 kg more than 1978 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1981 Audi UR is four wheel drive (4WD), it will have significant more traction and grip than 1978 Porsche 911. 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 (270 Nm @ 3000 RPM) has 5 more torque (in Nm) than 1978 Porsche 911. (265 Nm @ 4100 RPM). This means 1981 Audi UR will have an easier job in driving up hills or pulling heavy equipment than 1978 Porsche 911.
Compare all specifications:
| 1981 Audi UR | 1978 Porsche 911 | |
| Make | Audi | Porsche |
| Model | UR | 911 |
| Year Released | 1981 | 1978 |
| Engine Position | Front | Rear |
| Engine Size | 2226 cc | 2994 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 197 HP | 185 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 270 Nm | 265 Nm |
| Torque RPM | 3000 RPM | 4100 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 | 1300 kg | 1180 kg |
| Vehicle Length | 4430 mm | 4300 mm |
| Vehicle Width | 1690 mm | 1660 mm |
| Vehicle Height | 1390 mm | 1330 mm |
| Wheelbase Size | 2530 mm | 2280 mm |
| Fuel Tank Capacity | 58 L | 80 L |
