2004 Aston Martin DB9 vs. 1981 Audi UR
To start off, 2004 Aston Martin DB9 is newer by 23 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 5,930 cc (12 cylinders), 2004 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2004 Aston Martin DB9 (450 HP @ 6000 RPM) has 253 more horse power than 1981 Audi UR. (197 HP @ 5500 RPM). In normal driving conditions, 2004 Aston Martin DB9 should accelerate faster than 1981 Audi UR. With that said, vehicle weight also plays an important factor in acceleration. 2004 Aston Martin DB9 weights approximately 460 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 2004 Aston Martin DB9. 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, 2004 Aston Martin DB9 (570 Nm) has 285 more torque (in Nm) than 1981 Audi UR. (285 Nm). This means 2004 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi UR.
Compare all specifications:
| 2004 Aston Martin DB9 | 1981 Audi UR | |
| Make | Aston Martin | Audi |
| Model | DB9 | UR |
| Year Released | 2004 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 5930 cc | 2144 cc |
| Engine Cylinders | 12 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 450 HP | 197 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 570 Nm | 285 Nm |
| Engine Bore Size | 89 mm | 79.5 mm |
| Engine Stroke Size | 80 mm | 86.4 mm |
| Engine Compression Ratio | 10.3:1 | 7.0:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1710 kg | 1250 kg |
| Vehicle Length | 4700 mm | 4430 mm |
| Vehicle Width | 1880 mm | 1690 mm |
| Vehicle Height | 1320 mm | 1360 mm |
| Wheelbase Size | 2750 mm | 2530 mm |
| Fuel Tank Capacity | 85 L | 70 L |
