1970 Ginetta G21 vs. 1991 Opel Astra
To start off, 1991 Opel Astra is newer by 21 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 1,723 cc (4 cylinders), 1970 Ginetta G21 is equipped with a bigger engine. In terms of performance, 1970 Ginetta G21 (98 HP @ 5200 RPM) has 16 more horse power than 1991 Opel Astra. (82 HP @ 4400 RPM). In normal driving conditions, 1970 Ginetta G21 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Astra weights approximately 393 kg more than 1970 Ginetta G21.
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, 1991 Opel Astra, 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, 1991 Opel Astra (168 Nm @ 2400 RPM) has 24 more torque (in Nm) than 1970 Ginetta G21. (144 Nm @ 4000 RPM). This means 1991 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1970 Ginetta G21.
Compare all specifications:
| 1970 Ginetta G21 | 1991 Opel Astra | |
| Make | Ginetta | Opel |
| Model | G21 | Astra |
| Year Released | 1970 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1723 cc | 1686 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 98 HP | 82 HP |
| Engine RPM | 5200 RPM | 4400 RPM |
| Torque | 144 Nm | 168 Nm |
| Torque RPM | 4000 RPM | 2400 RPM |
| Engine Compression Ratio | 9.6:1 | 22.0:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 737 kg | 1130 kg |
| Vehicle Length | 3980 mm | 4060 mm |
| Vehicle Width | 1610 mm | 1690 mm |
| Vehicle Height | 1170 mm | 1430 mm |
| Wheelbase Size | 2320 mm | 2640 mm |
| Fuel Tank Capacity | 45 L | 75 L |
