1981 Audi UR vs. 2001 Opel Signum
To start off, 2001 Opel Signum is newer by 20 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 2,171 cc (4 cylinders), 2001 Opel Signum is equipped with a bigger engine. In terms of performance, 1981 Audi UR (197 HP @ 5500 RPM) has 72 more horse power than 2001 Opel Signum. (125 HP @ 3250 RPM). In normal driving conditions, 1981 Audi UR should accelerate faster than 2001 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Signum weights approximately 360 kg more than 1981 Audi UR.
Because 1981 Audi UR is four wheel drive (4WD), it will have significant more traction and grip than 2001 Opel Signum. 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, 1981 Audi UR (285 Nm @ 3500 RPM) has 5 more torque (in Nm) than 2001 Opel Signum. (280 Nm @ 1500 RPM). This means 1981 Audi UR will have an easier job in driving up hills or pulling heavy equipment than 2001 Opel Signum. 2001 Opel Signum 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. 2001 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 Audi UR | 2001 Opel Signum | |
| Make | Audi | Opel |
| Model | UR | Signum |
| Year Released | 1981 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 2144 cc | 2171 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 125 HP |
| Engine RPM | 5500 RPM | 3250 RPM |
| Torque | 285 Nm | 280 Nm |
| Torque RPM | 3500 RPM | 1500 RPM |
| Engine Compression Ratio | 7.0:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1250 kg | 1610 kg |
| Vehicle Length | 4430 mm | 4640 mm |
| Vehicle Width | 1690 mm | 1800 mm |
| Vehicle Height | 1360 mm | 1470 mm |
| Wheelbase Size | 2530 mm | 2840 mm |
| Fuel Tank Capacity | 70 L | 60 L |
