1981 Audi UR vs. 2013 Porsche 911
To start off, 2013 Porsche 911 is newer by 32 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), 2013 Porsche 911 is equipped with a bigger engine. In terms of performance, 2013 Porsche 911 (523 HP @ 6250 RPM) has 326 more horse power than 1981 Audi UR. (197 HP @ 5500 RPM) In normal driving conditions, 2013 Porsche 911 should accelerate faster than 1981 Audi UR. With that said, vehicle weight also plays an important factor in acceleration. 2013 Porsche 911 weights approximately 414 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 2013 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, 2013 Porsche 911 (700 Nm @ 4250 RPM) has 415 more torque (in Nm) than 1981 Audi UR. (285 Nm @ 3500 RPM). This means 2013 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi UR. 2013 Porsche 911 has automatic transmission and 1981 Audi UR has manual transmission. 1981 Audi UR will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 Porsche 911 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 Audi UR | 2013 Porsche 911 | |
| Make | Audi | Porsche |
| Model | UR | 911 |
| Year Released | 1981 | 2013 |
| Engine Position | Front | Front |
| 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 | 523 HP |
| Engine RPM | 5500 RPM | 6250 RPM |
| Torque | 285 Nm | 700 Nm |
| Torque RPM | 3500 RPM | 4250 RPM |
| Engine Bore Size | 79.5 mm | 102 mm |
| Engine Stroke Size | 86.4 mm | 77 mm |
| Engine Compression Ratio | 7.0:1 | 9.8 : 1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1250 kg | 1664 kg |
| Vehicle Length | 4430 mm | 4477 mm |
| Vehicle Width | 1690 mm | 1852 mm |
| Vehicle Height | 1360 mm | 1300 mm |
| Wheelbase Size | 2530 mm | 2350 mm |
