1958 AC Ace vs. 1983 BMW M6
To start off, 1983 BMW M6 is newer by 25 year(s). Which means there will be less support and parts availability for 1958 AC Ace. In addition, the cost of maintenance, including insurance, on 1958 AC Ace would be higher. At 3,453 cc (6 cylinders), 1983 BMW M6 is equipped with a bigger engine. In terms of performance, 1983 BMW M6 (282 HP @ 6500 RPM) has 157 more horse power than 1958 AC Ace. (125 HP @ 6000 RPM) In normal driving conditions, 1983 BMW M6 should accelerate faster than 1958 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1983 BMW M6 weights approximately 611 kg more than 1958 AC Ace. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1983 BMW M6 (334 Nm @ 4500 RPM) has 167 more torque (in Nm) than 1958 AC Ace. (167 Nm @ 4500 RPM). This means 1983 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 1958 AC Ace.
Compare all specifications:
| 1958 AC Ace | 1983 BMW M6 | |
| Make | AC | BMW |
| Model | Ace | M6 |
| Year Released | 1958 | 1983 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 3453 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 125 HP | 282 HP |
| Engine RPM | 6000 RPM | 6500 RPM |
| Torque | 167 Nm | 334 Nm |
| Torque RPM | 4500 RPM | 4500 RPM |
| Engine Bore Size | 66 mm | 93.4 mm |
| Engine Stroke Size | 96 mm | 84 mm |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 894 kg | 1505 kg |
| Vehicle Length | 4010 mm | 4760 mm |
| Vehicle Width | 1520 mm | 1730 mm |
| Vehicle Height | 1270 mm | 1360 mm |
| Wheelbase Size | 2290 mm | 2630 mm |
| Fuel Tank Capacity | 59 L | 70 L |
