1971 Ginetta G21 vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 34 year(s). Which means there will be less support and parts availability for 1971 Ginetta G21. In addition, the cost of maintenance, including insurance, on 1971 Ginetta G21 would be higher. At 1,725 cc (4 cylinders), 1971 Ginetta G21 is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (97 HP @ 6000 RPM) has 12 more horse power than 1971 Ginetta G21. (85 HP @ 5200 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 1971 Ginetta G21. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 423 kg more than 1971 Ginetta G21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1971 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 1971 Ginetta G21. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Opel Astra (142 Nm @ 3600 RPM) has 19 more torque (in Nm) than 1971 Ginetta G21. (123 Nm @ 3800 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1971 Ginetta G21.
Compare all specifications:
| 1971 Ginetta G21 | 2005 Opel Astra | |
| Make | Ginetta | Opel |
| Model | G21 | Astra |
| Year Released | 1971 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1725 cc | 1596 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 97 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 123 Nm | 142 Nm |
| Torque RPM | 3800 RPM | 3600 RPM |
| Engine Compression Ratio | 9.2:1 | 9.8:1 |
| Top Speed | 170 km/hour | 193 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 737 kg | 1160 kg |
| Wheelbase Size | 2320 mm | 2610 mm |
| Fuel Tank Capacity | 45 L | 52 L |
