1965 AC 427 vs. 1991 BMW M12
To start off, 1991 BMW M12 is newer by 26 year(s). Which means there will be less support and parts availability for 1965 AC 427. In addition, the cost of maintenance, including insurance, on 1965 AC 427 would be higher. At 6,997 cc (8 cylinders), 1965 AC 427 is equipped with a bigger engine. In terms of performance, 1965 AC 427 (410 HP @ 4000 RPM) has 114 more horse power than 1991 BMW M12. (296 HP @ 5200 RPM). In normal driving conditions, 1965 AC 427 should accelerate faster than 1991 BMW M12.
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, 1965 AC 427 (652 Nm @ 3700 RPM) has 202 more torque (in Nm) than 1991 BMW M12. (450 Nm @ 4100 RPM). This means 1965 AC 427 will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW M12. 1965 AC 427 has automatic transmission and 1991 BMW M12 has manual transmission. 1991 BMW M12 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1965 AC 427 will be easier to drive especially in heavy traffic.
Compare all specifications:
1965 AC 427 | 1991 BMW M12 | |
Make | AC | BMW |
Model | 427 | M12 |
Year Released | 1965 | 1991 |
Engine Position | Front | Middle |
Engine Size | 6997 cc | 4988 cc |
Engine Cylinders | 8 cylinders | 12 cylinders |
Engine Type | V | V |
Horse Power | 410 HP | 296 HP |
Engine RPM | 4000 RPM | 5200 RPM |
Torque | 652 Nm | 450 Nm |
Torque RPM | 3700 RPM | 4100 RPM |
Engine Bore Size | 107.7 mm | 84 mm |
Engine Stroke Size | 96 mm | 75 mm |
Drive Type | Rear | Rear |
Transmission Type | Automatic | Manual |
Number of Seats | 2 seats | 2 seats |
Number of Doors | 2 doors | 2 doors |
Vehicle Length | 4430 mm | 4370 mm |
Vehicle Width | 1710 mm | 2000 mm |
Vehicle Height | 1300 mm | 1110 mm |
Wheelbase Size | 2440 mm | 2610 mm |