1999 AC Ace vs. 1981 BMW M1
To start off, 1999 AC Ace is newer by 18 year(s). Which means there will be less support and parts availability for 1981 BMW M1. In addition, the cost of maintenance, including insurance, on 1981 BMW M1 would be higher. At 3,506 cc (8 cylinders), 1999 AC Ace is equipped with a bigger engine. In terms of performance, 1999 AC Ace (351 HP @ 6500 RPM) has 78 more horse power than 1981 BMW M1. (273 HP @ 6500 RPM). In normal driving conditions, 1999 AC Ace should accelerate faster than 1981 BMW M1. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW M1 weights approximately 275 kg more than 1999 AC Ace.
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, 1999 AC Ace (400 Nm @ 4000 RPM) has 70 more torque (in Nm) than 1981 BMW M1. (330 Nm @ 5000 RPM). This means 1999 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW M1.
Compare all specifications:
| 1999 AC Ace | 1981 BMW M1 | |
| Make | AC | BMW |
| Model | Ace | M1 |
| Year Released | 1999 | 1981 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 3506 cc | 3453 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 351 HP | 273 HP |
| Engine RPM | 6500 RPM | 6500 RPM |
| Torque | 400 Nm | 330 Nm |
| Torque RPM | 4000 RPM | 5000 RPM |
| Engine Bore Size | 83 mm | 93.5 mm |
| Engine Stroke Size | 81 mm | 84 mm |
| Engine Compression Ratio | 8.0:1 | 9.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1025 kg | 1300 kg |
| Vehicle Length | 4430 mm | 4370 mm |
| Vehicle Width | 1880 mm | 1830 mm |
| Vehicle Height | 1310 mm | 1140 mm |
| Wheelbase Size | 2480 mm | 2570 mm |
| Fuel Tank Capacity | 90 L | 116 L |
