1981 Audi UR vs. 1999 Porsche Boxster
To start off, 1999 Porsche Boxster 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 3,179 cc (6 cylinders), 1999 Porsche Boxster is equipped with a bigger engine. In terms of performance, 1999 Porsche Boxster (252 HP @ 6250 RPM) has 55 more horse power than 1981 Audi UR. (197 HP @ 5500 RPM) In normal driving conditions, 1999 Porsche Boxster should accelerate faster than 1981 Audi UR. With that said, vehicle weight also plays an important factor in acceleration. 1999 Porsche Boxster weights approximately 45 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 Boxster. 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 Boxster (305 Nm @ 4500 RPM) has 20 more torque (in Nm) than 1981 Audi UR. (285 Nm @ 3500 RPM). This means 1999 Porsche Boxster 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 Boxster | |
| Make | Audi | Porsche |
| Model | UR | Boxster |
| Year Released | 1981 | 1999 |
| Engine Position | Front | Middle |
| Engine Size | 2144 cc | 3179 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 197 HP | 252 HP |
| Engine RPM | 5500 RPM | 6250 RPM |
| Torque | 285 Nm | 305 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Engine Bore Size | 79.5 mm | 93.1 mm |
| Engine Stroke Size | 86.4 mm | 78 mm |
| Engine Compression Ratio | 7.0:1 | 11.0:1 |
| 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 | 1295 kg |
| Vehicle Length | 4430 mm | 4320 mm |
| Vehicle Width | 1690 mm | 1790 mm |
| Vehicle Height | 1360 mm | 1300 mm |
| Wheelbase Size | 2530 mm | 2420 mm |
| Fuel Tank Capacity | 70 L | 64 L |
