1981 Audi UR vs. 1997 Porsche 911
To start off, 1997 Porsche 911 is newer by 16 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 3,164 cc (6 cylinders), 1997 Porsche 911 is equipped with a bigger engine. In terms of performance, 1997 Porsche 911 (537 HP @ 7000 RPM) has 340 more horse power than 1981 Audi UR. (197 HP @ 5500 RPM) In normal driving conditions, 1997 Porsche 911 should accelerate faster than 1981 Audi UR. With that said, vehicle weight also plays an important factor in acceleration. 1981 Audi UR weights approximately 100 kg more than 1997 Porsche 911.
Because 1981 Audi UR is four wheel drive (4WD), it will have significant more traction and grip than 1997 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, 1997 Porsche 911 (600 Nm @ 4250 RPM) has 315 more torque (in Nm) than 1981 Audi UR. (285 Nm @ 3500 RPM). This means 1997 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 | 1997 Porsche 911 | |
| Make | Audi | Porsche |
| Model | UR | 911 |
| Year Released | 1981 | 1997 |
| Engine Position | Front | Middle |
| Engine Size | 2144 cc | 3164 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 537 HP |
| Engine RPM | 5500 RPM | 7000 RPM |
| Torque | 285 Nm | 600 Nm |
| Torque RPM | 3500 RPM | 4250 RPM |
| Engine Bore Size | 79.5 mm | 95 mm |
| Engine Stroke Size | 86.4 mm | 74.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1250 kg | 1150 kg |
| Vehicle Length | 4430 mm | 4710 mm |
| Vehicle Width | 1690 mm | 1960 mm |
| Vehicle Height | 1360 mm | 1170 mm |
| Wheelbase Size | 2530 mm | 2280 mm |
| Fuel Tank Capacity | 70 L | 100 L |
