1990 Ford Thunderbird vs. 1970 Ginetta G21
To start off, 1990 Ford Thunderbird is newer by 20 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 3,791 cc (6 cylinders), 1990 Ford Thunderbird is equipped with a bigger engine. In terms of performance, 1990 Ford Thunderbird (139 HP @ 3800 RPM) has 11 more horse power than 1970 Ginetta G21. (128 HP @ 4750 RPM). In normal driving conditions, 1990 Ford Thunderbird should accelerate faster than 1970 Ginetta G21. With that said, vehicle weight also plays an important factor in acceleration. 1990 Ford Thunderbird weights approximately 739 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.
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, 1990 Ford Thunderbird (291 Nm @ 2400 RPM) has 56 more torque (in Nm) than 1970 Ginetta G21. (235 Nm @ 3000 RPM). This means 1990 Ford Thunderbird will have an easier job in driving up hills or pulling heavy equipment than 1970 Ginetta G21.
Compare all specifications:
| 1990 Ford Thunderbird | 1970 Ginetta G21 | |
| Make | Ford | Ginetta |
| Model | Thunderbird | G21 |
| Year Released | 1990 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2994 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 139 HP | 128 HP |
| Engine RPM | 3800 RPM | 4750 RPM |
| Torque | 291 Nm | 235 Nm |
| Torque RPM | 2400 RPM | 3000 RPM |
| Engine Bore Size | 96.8 mm | 93.7 mm |
| Engine Stroke Size | 86 mm | 72.4 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1610 kg | 871 kg |
| Vehicle Length | 5050 mm | 3980 mm |
| Vehicle Width | 1850 mm | 1610 mm |
| Vehicle Height | 1350 mm | 1170 mm |
| Wheelbase Size | 2880 mm | 2320 mm |
| Fuel Tank Capacity | 45 L | 45 L |
