1966 Austin A 40 vs. 2003 BMW 645
To start off, 2003 BMW 645 is newer by 37 year(s). Which means there will be less support and parts availability for 1966 Austin A 40. In addition, the cost of maintenance, including insurance, on 1966 Austin A 40 would be higher. At 4,398 cc (8 cylinders), 2003 BMW 645 is equipped with a bigger engine. In terms of performance, 2003 BMW 645 (310 HP @ 6000 RPM) has 263 more horse power than 1966 Austin A 40. (47 HP @ 5100 RPM) In normal driving conditions, 2003 BMW 645 should accelerate faster than 1966 Austin A 40. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 645 weights approximately 936 kg more than 1966 Austin A 40. 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 BMW 645 (450 Nm @ 3600 RPM) has 369 more torque (in Nm) than 1966 Austin A 40. (81 Nm @ 2500 RPM). This means 2003 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1966 Austin A 40.
Compare all specifications:
| 1966 Austin A 40 | 2003 BMW 645 | |
| Make | Austin | BMW |
| Model | A 40 | 645 |
| Year Released | 1966 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 47 HP | 310 HP |
| Engine RPM | 5100 RPM | 6000 RPM |
| Torque | 81 Nm | 450 Nm |
| Torque RPM | 2500 RPM | 3600 RPM |
| Engine Bore Size | 64.6 mm | 92 mm |
| Engine Stroke Size | 83.7 mm | 82.7 mm |
| Engine Compression Ratio | 8.5:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 762 kg | 1698 kg |
| Vehicle Length | 3690 mm | 4830 mm |
| Vehicle Width | 1520 mm | 1860 mm |
| Vehicle Height | 1450 mm | 1380 mm |
| Wheelbase Size | 2220 mm | 2790 mm |
| Fuel Tank Capacity | 29 L | 70 L |
