1948 AC 2-Litre vs. 1981 BMW 745
To start off, 1981 BMW 745 is newer by 33 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 3,430 cc (6 cylinders), 1981 BMW 745 is equipped with a bigger engine. In terms of performance, 1981 BMW 745 (252 HP @ 5200 RPM) has 176 more horse power than 1948 AC 2-Litre. (76 HP @ 4500 RPM) In normal driving conditions, 1981 BMW 745 should accelerate faster than 1948 AC 2-Litre. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 745 weights approximately 270 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, 1981 BMW 745 (380 Nm @ 2200 RPM) has 243 more torque (in Nm) than 1948 AC 2-Litre. (137 Nm @ 2500 RPM). This means 1981 BMW 745 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 | 1981 BMW 745 | |
| Make | AC | BMW |
| Model | 2-Litre | 745 |
| Year Released | 1948 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 3430 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 76 HP | 252 HP |
| Engine RPM | 4500 RPM | 5200 RPM |
| Torque | 137 Nm | 380 Nm |
| Torque RPM | 2500 RPM | 2200 RPM |
| Engine Bore Size | 65 mm | 92 mm |
| Engine Stroke Size | 100 mm | 86 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1320 kg | 1590 kg |
| Vehicle Length | 4680 mm | 4870 mm |
| Vehicle Width | 1710 mm | 1810 mm |
| Vehicle Height | 1560 mm | 1440 mm |
| Wheelbase Size | 2980 mm | 2800 mm |
| Fuel Tank Capacity | 52 L | 100 L |
