1948 AC 2-Litre vs. 2004 BMW 645
To start off, 2004 BMW 645 is newer by 56 year(s). Which means there will be less support and parts availability for 1948 AC 2-Litre. In addition, the cost of maintenance, including insurance, on 1948 AC 2-Litre would be higher. At 4,392 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (322 HP @ 7400 RPM) has 246 more horse power than 1948 AC 2-Litre. (76 HP @ 4500 RPM) In normal driving conditions, 2004 BMW 645 should accelerate faster than 1948 AC 2-Litre. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 645 weights approximately 395 kg more than 1948 AC 2-Litre. 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, 2004 BMW 645 (447 Nm) has 310 more torque (in Nm) than 1948 AC 2-Litre. (137 Nm). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1948 AC 2-Litre.
Compare all specifications:
| 1948 AC 2-Litre | 2004 BMW 645 | |
| Make | AC | BMW |
| Model | 2-Litre | 645 |
| Year Released | 1948 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 4392 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 76 HP | 322 HP |
| Engine RPM | 4500 RPM | 7400 RPM |
| Torque | 137 Nm | 447 Nm |
| Engine Bore Size | 65 mm | 92 mm |
| Engine Stroke Size | 100 mm | 83 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1320 kg | 1715 kg |
| Vehicle Length | 4680 mm | 4840 mm |
| Vehicle Width | 1710 mm | 1860 mm |
| Vehicle Height | 1560 mm | 1380 mm |
| Wheelbase Size | 2980 mm | 2790 mm |
| Fuel Tank Capacity | 52 L | 70 L |
