1991 Audi 80 vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 12 year(s). Which means there will be less support and parts availability for 1991 Audi 80. In addition, the cost of maintenance, including insurance, on 1991 Audi 80 would be higher. At 2,198 cc (4 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (144 HP @ 6000 RPM) has 29 more horse power than 1991 Audi 80. (115 HP @ 5400 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1991 Audi 80. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 446 kg more than 1991 Audi 80. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2003 Opel Signum (240 Nm @ 3800 RPM) has 72 more torque (in Nm) than 1991 Audi 80. (168 Nm @ 3200 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 80.
Compare all specifications:
| 1991 Audi 80 | 2003 Opel Signum | |
| Make | Audi | Opel |
| Model | 80 | Signum |
| Year Released | 1991 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 115 HP | 144 HP |
| Engine RPM | 5400 RPM | 6000 RPM |
| Torque | 168 Nm | 240 Nm |
| Torque RPM | 3200 RPM | 3800 RPM |
| Engine Bore Size | 82.5 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 94.6 mm |
| Engine Compression Ratio | 10.4:1 | 12.0:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1240 kg | 1686 kg |
| Vehicle Length | 4490 mm | 4640 mm |
| Vehicle Width | 1710 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2610 mm | 2640 mm |
| Fuel Tank Capacity | 66 L | 58 L |
