1952 AC 2-Litre vs. 1978 BMW 520
To start off, 1978 BMW 520 is newer by 26 year(s). Which means there will be less support and parts availability for 1952 AC 2-Litre. In addition, the cost of maintenance, including insurance, on 1952 AC 2-Litre would be higher. At 1,991 cc (6 cylinders), 1952 AC 2-Litre is equipped with a bigger engine. In terms of performance, 1978 BMW 520 (135 HP @ 4000 RPM) has 59 more horse power than 1952 AC 2-Litre. (76 HP @ 4500 RPM) In normal driving conditions, 1978 BMW 520 should accelerate faster than 1952 AC 2-Litre. With that said, vehicle weight also plays an important factor in acceleration. 1978 BMW 520 weights approximately 350 kg more than 1952 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, 1978 BMW 520 (280 Nm @ 1750 RPM) has 143 more torque (in Nm) than 1952 AC 2-Litre. (137 Nm @ 2500 RPM). This means 1978 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1952 AC 2-Litre.
Compare all specifications:
| 1952 AC 2-Litre | 1978 BMW 520 | |
| Make | AC | BMW |
| Model | 2-Litre | 520 |
| Year Released | 1952 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 1951 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 76 HP | 135 HP |
| Engine RPM | 4500 RPM | 4000 RPM |
| Torque | 137 Nm | 280 Nm |
| Torque RPM | 2500 RPM | 1750 RPM |
| Engine Bore Size | 65 mm | 84 mm |
| Engine Stroke Size | 100 mm | 88 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1320 kg | 1670 kg |
| Vehicle Length | 4680 mm | 4810 mm |
| Vehicle Width | 1710 mm | 1810 mm |
| Vehicle Height | 1560 mm | 1450 mm |
| Wheelbase Size | 2980 mm | 2770 mm |
| Fuel Tank Capacity | 52 L | 70 L |
