1985 Audi 100 vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 18 year(s). Which means there will be less support and parts availability for 1985 Audi 100. In addition, the cost of maintenance, including insurance, on 1985 Audi 100 would be higher. At 1,910 cc (4 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (173 HP @ 5600 RPM) has 84 more horse power than 1985 Audi 100. (89 HP @ 5200 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1985 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 350 kg more than 1985 Audi 100. 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 (280 Nm @ 2500 RPM) has 135 more torque (in Nm) than 1985 Audi 100. (145 Nm @ 3000 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1985 Audi 100.
Compare all specifications:
| 1985 Audi 100 | 2003 Opel Signum | |
| Make | Audi | Opel |
| Model | 100 | Signum |
| Year Released | 1985 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1910 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 89 HP | 173 HP |
| Engine RPM | 5200 RPM | 5600 RPM |
| Torque | 145 Nm | 280 Nm |
| Torque RPM | 3000 RPM | 2500 RPM |
| Engine Bore Size | 81 mm | 86 mm |
| Engine Stroke Size | 86.4 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 176 km/hour | 220 km/hour |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1145 kg | 1495 kg |
| Vehicle Length | 4800 mm | 4640 mm |
| Vehicle Width | 1820 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2700 mm | 2720 mm |
| Fuel Consumption Overall | 8.3 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 60 L | 58 L |
