1970 Ginetta G21 vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 34 year(s). Which means there will be less support and parts availability for 1970 Ginetta G21. In addition, the cost of maintenance, including insurance, on 1970 Ginetta G21 would be higher. At 2,994 cc (6 cylinders), 1970 Ginetta G21 is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (173 HP @ 5500 RPM) has 45 more horse power than 1970 Ginetta G21. (128 HP @ 4750 RPM) In normal driving conditions, 2004 Opel Signum should accelerate faster than 1970 Ginetta G21. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 689 kg more than 1970 Ginetta G21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1970 Ginetta G21 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 1970 Ginetta G21. 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 (265 Nm @ 2500 RPM) has 30 more torque (in Nm) than 1970 Ginetta G21. (235 Nm @ 3000 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1970 Ginetta G21.
Compare all specifications:
| 1970 Ginetta G21 | 2004 Opel Signum | |
| Make | Ginetta | Opel |
| Model | G21 | Signum |
| Year Released | 1970 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2994 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 128 HP | 173 HP |
| Engine RPM | 4750 RPM | 5500 RPM |
| Torque | 235 Nm | 265 Nm |
| Torque RPM | 3000 RPM | 2500 RPM |
| Engine Bore Size | 93.7 mm | 86 mm |
| Engine Stroke Size | 72.4 mm | 86 mm |
| Engine Compression Ratio | 8.9:1 | 9.5:1 |
| Top Speed | 206 km/hour | 220 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 871 kg | 1560 kg |
| Vehicle Length | 3980 mm | 4640 mm |
| Vehicle Width | 1610 mm | 1800 mm |
| Vehicle Height | 1170 mm | 1470 mm |
| Wheelbase Size | 2320 mm | 2840 mm |
| Fuel Tank Capacity | 45 L | 60 L |
