1987 Aston Martin V8 Vantage vs. 1981 Audi UR
To start off, 1987 Aston Martin V8 Vantage is newer by 6 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 5,340 cc (8 cylinders), 1987 Aston Martin V8 Vantage is equipped with a bigger engine. In terms of performance, 1987 Aston Martin V8 Vantage (370 HP @ 6000 RPM) has 173 more horse power than 1981 Audi UR. (197 HP @ 5500 RPM). In normal driving conditions, 1987 Aston Martin V8 Vantage should accelerate faster than 1981 Audi UR. With that said, vehicle weight also plays an important factor in acceleration. 1987 Aston Martin V8 Vantage weights approximately 570 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 1987 Aston Martin V8 Vantage. 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, 1987 Aston Martin V8 Vantage (510 Nm @ 4900 RPM) has 225 more torque (in Nm) than 1981 Audi UR. (285 Nm @ 3500 RPM). This means 1987 Aston Martin V8 Vantage will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi UR.
Compare all specifications:
| 1987 Aston Martin V8 Vantage | 1981 Audi UR | |
| Make | Aston Martin | Audi |
| Model | V8 Vantage | UR |
| Year Released | 1987 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 5340 cc | 2144 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 370 HP | 197 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 510 Nm | 285 Nm |
| Torque RPM | 4900 RPM | 3500 RPM |
| Engine Bore Size | 100.1 mm | 79.5 mm |
| Engine Stroke Size | 85.1 mm | 86.4 mm |
| Engine Compression Ratio | 8.0:1 | 7.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1820 kg | 1250 kg |
| Vehicle Length | 4680 mm | 4430 mm |
| Vehicle Width | 1840 mm | 1690 mm |
| Vehicle Height | 1340 mm | 1360 mm |
| Wheelbase Size | 2620 mm | 2530 mm |
| Fuel Tank Capacity | 113 L | 70 L |
