1986 BMW 730 vs. 1970 AC 428
To start off, 1986 BMW 730 is newer by 16 year(s). Which means there will be less support and parts availability for 1970 AC 428. In addition, the cost of maintenance, including insurance, on 1970 AC 428 would be higher. At 7,003 cc (8 cylinders), 1970 AC 428 is equipped with a bigger engine. In terms of performance, 1970 AC 428 (298 HP @ 4600 RPM) has 101 more horse power than 1986 BMW 730. (197 HP @ 5800 RPM) In normal driving conditions, 1970 AC 428 should accelerate faster than 1986 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 1986 BMW 730 weights approximately 170 kg more than 1970 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, 1970 AC 428 (640 Nm @ 2800 RPM) has 365 more torque (in Nm) than 1986 BMW 730. (275 Nm @ 4000 RPM). This means 1970 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1986 BMW 730. 1970 AC 428 has automatic transmission and 1986 BMW 730 has manual transmission. 1986 BMW 730 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1970 AC 428 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1986 BMW 730 | 1970 AC 428 | |
| Make | BMW | AC |
| Model | 730 | 428 |
| Year Released | 1986 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 7003 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 197 HP | 298 HP |
| Engine RPM | 5800 RPM | 4600 RPM |
| Torque | 275 Nm | 640 Nm |
| Torque RPM | 4000 RPM | 2800 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1600 kg | 1430 kg |
| Vehicle Length | 4920 mm | 4430 mm |
| Vehicle Width | 1850 mm | 1710 mm |
| Vehicle Height | 1420 mm | 1310 mm |
| Wheelbase Size | 2800 mm | 2450 mm |
