1953 AC Ace vs. 1981 BMW 725
To start off, 1981 BMW 725 is newer by 28 year(s). Which means there will be less support and parts availability for 1953 AC Ace. In addition, the cost of maintenance, including insurance, on 1953 AC Ace would be higher. At 2,493 cc (6 cylinders), 1981 BMW 725 is equipped with a bigger engine. In terms of performance, 1981 BMW 725 (148 HP @ 5500 RPM) has 63 more horse power than 1953 AC Ace. (85 HP @ 4500 RPM) In normal driving conditions, 1981 BMW 725 should accelerate faster than 1953 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, 1981 BMW 725 (215 Nm @ 4000 RPM) has 66 more torque (in Nm) than 1953 AC Ace. (149 Nm @ 2500 RPM). This means 1981 BMW 725 will have an easier job in driving up hills or pulling heavy equipment than 1953 AC Ace.
Compare all specifications:
| 1953 AC Ace | 1981 BMW 725 | |
| Make | AC | BMW |
| Model | Ace | 725 |
| Year Released | 1953 | 1981 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 2493 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 148 HP |
| Engine RPM | 4500 RPM | 5500 RPM |
| Torque | 149 Nm | 215 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Engine Bore Size | 65 mm | 86 mm |
| Engine Stroke Size | 100 mm | 71.6 mm |
| Engine Compression Ratio | 7.5:1 | 9.6:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 3850 mm | 4870 mm |
| Vehicle Width | 1520 mm | 1810 mm |
| Vehicle Height | 1250 mm | 1440 mm |
| Wheelbase Size | 2290 mm | 2810 mm |
