2005 Opel Signum vs. 1974 Opel Kadett
To start off, 2005 Opel Signum is newer by 31 year(s). Which means there will be less support and parts availability for 1974 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1974 Opel Kadett would be higher. At 2,958 cc (6 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (175 HP @ 4000 RPM) has 124 more horse power than 1974 Opel Kadett. (51 HP @ 5600 RPM). In normal driving conditions, 2005 Opel Signum should accelerate faster than 1974 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 880 kg more than 1974 Opel Kadett. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1974 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 1974 Opel Kadett. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Opel Signum (370 Nm @ 1900 RPM) has 290 more torque (in Nm) than 1974 Opel Kadett. (80 Nm @ 3400 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1974 Opel Kadett.
Compare all specifications:
| 2005 Opel Signum | 1974 Opel Kadett | |
| Make | Opel | Opel |
| Model | Signum | Kadett |
| Year Released | 2005 | 1974 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 1196 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 175 HP | 51 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 370 Nm | 80 Nm |
| Torque RPM | 1900 RPM | 3400 RPM |
| Engine Bore Size | 87.5 mm | 79 mm |
| Engine Stroke Size | 82 mm | 61 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1670 kg | 790 kg |
| Vehicle Length | 4640 mm | 4140 mm |
| Vehicle Width | 1800 mm | 1590 mm |
| Vehicle Height | 1470 mm | 1290 mm |
| Wheelbase Size | 2620 mm | 2410 mm |
| Fuel Tank Capacity | 60 L | 43 L |
