1971 AC 428 vs. 2008 BMW M6
To start off, 2008 BMW M6 is newer by 37 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, 2008 BMW M6 (500 HP @ 7750 RPM) has 202 more horse power than 1971 AC 428. (298 HP @ 4600 RPM) In normal driving conditions, 2008 BMW M6 should accelerate faster than 1971 AC 428. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW M6 weights approximately 575 kg more than 1971 AC 428. 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, 1971 AC 428 (639 Nm @ 2800 RPM) has 119 more torque (in Nm) than 2008 BMW M6. (520 Nm @ 6100 RPM). This means 1971 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW M6.
Compare all specifications:
| 1971 AC 428 | 2008 BMW M6 | |
| Make | AC | BMW |
| Model | 428 | M6 |
| Year Released | 1971 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 4999 cc |
| Engine Cylinders | 8 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Horse Power | 298 HP | 500 HP |
| Engine RPM | 4600 RPM | 7750 RPM |
| Torque | 639 Nm | 520 Nm |
| Torque RPM | 2800 RPM | 6100 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1430 kg | 2005 kg |
| Vehicle Length | 4430 mm | 4880 mm |
| Vehicle Width | 1710 mm | 1860 mm |
| Vehicle Height | 1310 mm | 1380 mm |
| Wheelbase Size | 2450 mm | 2790 mm |
