2009 BMW 525 vs. 1971 AC 428
To start off, 2009 BMW 525 is newer by 38 year(s). Which means there will be less support and parts availability for 1971 AC 428. In addition, the cost of maintenance, including insurance, on 1971 AC 428 would be higher. At 7,003 cc (8 cylinders), 1971 AC 428 is equipped with a bigger engine. In terms of performance, 1971 AC 428 (298 HP @ 4600 RPM) has 83 more horse power than 2009 BMW 525. (215 HP @ 6500 RPM) In normal driving conditions, 1971 AC 428 should accelerate faster than 2009 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 525 weights approximately 70 kg more than 1971 AC 428.
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, 1971 AC 428 (639 Nm @ 2800 RPM) has 389 more torque (in Nm) than 2009 BMW 525. (250 Nm @ 2900 RPM). This means 1971 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 525.
Compare all specifications:
| 2009 BMW 525 | 1971 AC 428 | |
| Make | BMW | AC |
| Model | 525 | 428 |
| Year Released | 2009 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 7003 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 215 HP | 298 HP |
| Engine RPM | 6500 RPM | 4600 RPM |
| Torque | 250 Nm | 639 Nm |
| Torque RPM | 2900 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1500 kg | 1430 kg |
| Vehicle Length | 4850 mm | 4430 mm |
| Vehicle Width | 1470 mm | 1710 mm |
| Vehicle Height | 1850 mm | 1310 mm |
| Wheelbase Size | 2890 mm | 2450 mm |
