1985 Opel Kadett 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 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1985 Opel Kadett would be higher. At 3,175 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (209 HP @ 6200 RPM) has 150 more horse power than 1985 Opel Kadett. (59 HP @ 5400 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1985 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 771 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.
Because 1985 Opel Kadett is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1985 Opel Kadett. However, in wet, icy, snow, or gravel driving conditions, 2003 Opel Signum, being front wheel drive (FWD), will offer much better control with better grip. 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 (300 Nm @ 4000 RPM) has 212 more torque (in Nm) than 1985 Opel Kadett. (88 Nm @ 3000 RPM). This means 2003 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 | 2003 Opel Signum | |
| Make | Opel | Opel |
| Model | Kadett | Signum |
| Year Released | 1985 | 2003 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1196 cc | 3175 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 59 HP | 209 HP |
| Engine RPM | 5400 RPM | 6200 RPM |
| Torque | 88 Nm | 300 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 79 mm | 87.5 mm |
| Engine Stroke Size | 61 mm | 88 mm |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 774 kg | 1545 kg |
| Vehicle Length | 4110 mm | 4640 mm |
| Vehicle Width | 1580 mm | 1800 mm |
| Vehicle Height | 1410 mm | 1470 mm |
| Wheelbase Size | 2530 mm | 2840 mm |
| Fuel Tank Capacity | 40 L | 60 L |
