1955 Fairthorpe Atom vs. 1970 Ginetta G21
To start off, 1970 Ginetta G21 is newer by 15 year(s). Which means there will be less support and parts availability for 1955 Fairthorpe Atom. In addition, the cost of maintenance, including insurance, on 1955 Fairthorpe Atom 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 86 more horse power than 1955 Fairthorpe Atom. (12 HP @ 5300 RPM) In normal driving conditions, 1970 Ginetta G21 should accelerate faster than 1955 Fairthorpe Atom. With that said, vehicle weight also plays an important factor in acceleration. 1970 Ginetta G21 weights approximately 311 kg more than 1955 Fairthorpe Atom. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1970 Ginetta G21 (144 Nm @ 4000 RPM) has 124 more torque (in Nm) than 1955 Fairthorpe Atom. (20 Nm @ 3700 RPM). This means 1970 Ginetta G21 will have an easier job in driving up hills or pulling heavy equipment than 1955 Fairthorpe Atom.
Compare all specifications:
| 1955 Fairthorpe Atom | 1970 Ginetta G21 | |
| Make | Fairthorpe | Ginetta |
| Model | Atom | G21 |
| Year Released | 1955 | 1970 |
| Engine Position | Rear | Front |
| Engine Size | 248 cc | 1723 cc |
| Engine Cylinders | 1 cylinders | 4 cylinders |
| Engine Type | single | in-line |
| Horse Power | 12 HP | 98 HP |
| Engine RPM | 5300 RPM | 5200 RPM |
| Torque | 20 Nm | 144 Nm |
| Torque RPM | 3700 RPM | 4000 RPM |
| Engine Bore Size | 63 mm | 81.5 mm |
| Engine Stroke Size | 80 mm | 82.7 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 426 kg | 737 kg |
| Vehicle Length | 3660 mm | 3980 mm |
| Vehicle Width | 1530 mm | 1610 mm |
| Vehicle Height | 1380 mm | 1170 mm |
| Wheelbase Size | 2270 mm | 2320 mm |
| Fuel Tank Capacity | 18 L | 45 L |
