1981 Audi UR vs. 1999 Porsche 911
To start off, 1999 Porsche 911 is newer by 18 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 3,387 cc (6 cylinders), 1999 Porsche 911 is equipped with a bigger engine. In terms of performance, 1999 Porsche 911 (296 HP) has 99 more horse power than 1981 Audi UR. (197 HP) In normal driving conditions, 1999 Porsche 911 should accelerate faster than 1981 Audi UR. With that said, vehicle weight also plays an important factor in acceleration. 1999 Porsche 911 weights approximately 70 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.
Because 1981 Audi UR is four wheel drive (4WD), it will have significant more traction and grip than 1999 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, 1999 Porsche 911 (350 Nm) has 65 more torque (in Nm) than 1981 Audi UR. (285 Nm). This means 1999 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 | 1999 Porsche 911 | |
| Make | Audi | Porsche |
| Model | UR | 911 |
| Year Released | 1981 | 1999 |
| Engine Position | Front | Rear |
| Engine Size | 2144 cc | 3387 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 197 HP | 296 HP |
| Torque | 285 Nm | 350 Nm |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1250 kg | 1320 kg |
| Vehicle Length | 4430 mm | 4430 mm |
| Vehicle Width | 1690 mm | 1780 mm |
| Vehicle Height | 1360 mm | 1300 mm |
| Wheelbase Size | 2530 mm | 2340 mm |
