1985 Opel Kadett vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 19 year(s). Which means there will be less support and parts availability for 1985 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1985 Opel Kadett would be higher. At 3,175 cc (6 cylinders), 2004 Opel Signum is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (208 HP @ 6200 RPM) has 133 more horse power than 1985 Opel Kadett. (75 HP @ 5800 RPM) In normal driving conditions, 2004 Opel Signum should accelerate faster than 1985 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 737 kg more than 1985 Opel Kadett. 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, 2004 Opel Signum (300 Nm @ 4000 RPM) has 199 more torque (in Nm) than 1985 Opel Kadett. (101 Nm @ 4200 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1985 Opel Kadett.
Compare all specifications:
| 1985 Opel Kadett | 2004 Opel Signum | |
| Make | Opel | Opel |
| Model | Kadett | Signum |
| Year Released | 1985 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1295 cc | 3175 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 75 HP | 208 HP |
| Engine RPM | 5800 RPM | 6200 RPM |
| Torque | 101 Nm | 300 Nm |
| Torque RPM | 4200 RPM | 4000 RPM |
| Engine Bore Size | 75 mm | 87.5 mm |
| Engine Stroke Size | 73.4 mm | 88 mm |
| Engine Compression Ratio | 9.2:1 | 10.0:1 |
| Top Speed | 166 km/hour | 237 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 858 kg | 1595 kg |
| Vehicle Length | 4010 mm | 4640 mm |
| Vehicle Width | 1670 mm | 1800 mm |
| Vehicle Height | 1360 mm | 1470 mm |
| Wheelbase Size | 2580 mm | 2740 mm |
| Fuel Tank Capacity | 70 L | 52 L |
