2009 BMW Z4 vs. 1970 Ginetta G21
To start off, 2009 BMW Z4 is newer by 39 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 1,995 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (148 HP @ 6200 RPM) has 50 more horse power than 1970 Ginetta G21. (98 HP @ 5200 RPM). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 1970 Ginetta G21. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW Z4 weights approximately 648 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, 2009 BMW Z4 (200 Nm @ 3600 RPM) has 56 more torque (in Nm) than 1970 Ginetta G21. (144 Nm @ 4000 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1970 Ginetta G21.
Compare all specifications:
| 2009 BMW Z4 | 1970 Ginetta G21 | |
| Make | BMW | Ginetta |
| Model | Z4 | G21 |
| Year Released | 2009 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1723 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 98 HP |
| Engine RPM | 6200 RPM | 5200 RPM |
| Torque | 200 Nm | 144 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Compression Ratio | 10.5:1 | 9.6:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1385 kg | 737 kg |
| Vehicle Length | 4100 mm | 3980 mm |
| Vehicle Width | 1310 mm | 1610 mm |
| Vehicle Height | 1790 mm | 1170 mm |
| Wheelbase Size | 2500 mm | 2320 mm |
| Fuel Tank Capacity | 55 L | 45 L |
