2003 Alpina B3 vs. 1971 Ginetta G21
To start off, 2003 Alpina B3 is newer by 32 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 3,344 cc (6 cylinders), 2003 Alpina B3 is equipped with a bigger engine. In terms of performance, 2003 Alpina B3 (301 HP @ 6200 RPM) has 216 more horse power than 1971 Ginetta G21. (85 HP @ 5200 RPM). In normal driving conditions, 2003 Alpina B3 should accelerate faster than 1971 Ginetta G21. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina B3 weights approximately 908 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.
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, 2003 Alpina B3 (362 Nm @ 4800 RPM) has 239 more torque (in Nm) than 1971 Ginetta G21. (123 Nm @ 3800 RPM). This means 2003 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 1971 Ginetta G21.
Compare all specifications:
| 2003 Alpina B3 | 1971 Ginetta G21 | |
| Make | Alpina | Ginetta |
| Model | B3 | G21 |
| Year Released | 2003 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 3344 cc | 1725 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 301 HP | 85 HP |
| Engine RPM | 6200 RPM | 5200 RPM |
| Torque | 362 Nm | 123 Nm |
| Torque RPM | 4800 RPM | 3800 RPM |
| Engine Compression Ratio | 10.0:1 | 9.2:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1645 kg | 737 kg |
| Vehicle Length | 4490 mm | 3980 mm |
| Vehicle Width | 1760 mm | 1610 mm |
| Vehicle Height | 1360 mm | 1170 mm |
| Wheelbase Size | 2730 mm | 2320 mm |
| Fuel Tank Capacity | 63 L | 45 L |
