1975 AC 428 vs. 1981 BMW 745
To start off, 1981 BMW 745 is newer by 6 year(s). Which means there will be less support and parts availability for 1975 AC 428. In addition, the cost of maintenance, including insurance, on 1975 AC 428 would be higher. At 7,003 cc (8 cylinders), 1975 AC 428 is equipped with a bigger engine. In terms of performance, 1975 AC 428 (298 HP @ 4600 RPM) has 46 more horse power than 1981 BMW 745. (252 HP @ 5200 RPM). In normal driving conditions, 1975 AC 428 should accelerate faster than 1981 BMW 745. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 745 weights approximately 160 kg more than 1975 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, 1975 AC 428 (639 Nm @ 2800 RPM) has 259 more torque (in Nm) than 1981 BMW 745. (380 Nm @ 2200 RPM). This means 1975 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 745.
Compare all specifications:
1975 AC 428 | 1981 BMW 745 | |
Make | AC | BMW |
Model | 428 | 745 |
Year Released | 1975 | 1981 |
Engine Position | Front | Front |
Engine Size | 7003 cc | 3430 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Horse Power | 298 HP | 252 HP |
Engine RPM | 4600 RPM | 5200 RPM |
Torque | 639 Nm | 380 Nm |
Torque RPM | 2800 RPM | 2200 RPM |
Drive Type | Rear | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1430 kg | 1590 kg |
Vehicle Length | 4430 mm | 4870 mm |
Vehicle Width | 1710 mm | 1810 mm |
Vehicle Height | 1310 mm | 1440 mm |
Wheelbase Size | 2450 mm | 2800 mm |