1973 AC 428 vs. 2008 BMW 635
To start off, 2008 BMW 635 is newer by 35 year(s). Which means there will be less support and parts availability for 1973 AC 428. In addition, the cost of maintenance, including insurance, on 1973 AC 428 would be higher. At 7,002 cc (8 cylinders), 1973 AC 428 is equipped with a bigger engine. In terms of performance, 1973 AC 428 (298 HP @ 4600 RPM) has 16 more horse power than 2008 BMW 635. (282 HP @ 4400 RPM). In normal driving conditions, 1973 AC 428 should accelerate faster than 2008 BMW 635. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 635 weights approximately 295 kg more than 1973 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, 1973 AC 428 (639 Nm @ 2800 RPM) has 58 more torque (in Nm) than 2008 BMW 635. (581 Nm @ 1750 RPM). This means 1973 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 635. 2008 BMW 635 has automatic transmission and 1973 AC 428 has manual transmission. 1973 AC 428 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW 635 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 AC 428 | 2008 BMW 635 | |
| Make | AC | BMW |
| Model | 428 | 635 |
| Year Released | 1973 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 7002 cc | 2993 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 298 HP | 282 HP |
| Engine RPM | 4600 RPM | 4400 RPM |
| Torque | 639 Nm | 581 Nm |
| Torque RPM | 2800 RPM | 1750 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1430 kg | 1725 kg |
| Vehicle Length | 4430 mm | 4830 mm |
| Vehicle Width | 1710 mm | 1860 mm |
| Vehicle Height | 1310 mm | 1380 mm |
| Wheelbase Size | 2450 mm | 2790 mm |
