2004 Opel Signum vs. 1975 Toyota Corona
To start off, 2004 Opel Signum is newer by 29 year(s). Which means there will be less support and parts availability for 1975 Toyota Corona. In addition, the cost of maintenance, including insurance, on 1975 Toyota Corona would be higher. At 1,908 cc (4 cylinders), 2004 Opel Signum is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (148 HP @ 4000 RPM) has 64 more horse power than 1975 Toyota Corona. (84 HP @ 5600 RPM). In normal driving conditions, 2004 Opel Signum should accelerate faster than 1975 Toyota Corona. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 610 kg more than 1975 Toyota Corona. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 Toyota Corona 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 1975 Toyota Corona. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Opel Signum (326 Nm @ 2000 RPM) has 191 more torque (in Nm) than 1975 Toyota Corona. (135 Nm @ 3400 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1975 Toyota Corona.
Compare all specifications:
| 2004 Opel Signum | 1975 Toyota Corona | |
| Make | Opel | Toyota |
| Model | Signum | Corona |
| Year Released | 2004 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1908 cc | 1587 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 84 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 326 Nm | 135 Nm |
| Torque RPM | 2000 RPM | 3400 RPM |
| Engine Bore Size | 82 mm | 81 mm |
| Engine Stroke Size | 90.4 mm | 77 mm |
| Engine Compression Ratio | 18.0:1 | 9.5:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1610 kg | 1000 kg |
| Vehicle Length | 4640 mm | 4260 mm |
| Vehicle Width | 1800 mm | 1620 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2840 mm | 2510 mm |
