1957 AC Ace vs. 2007 BMW M5
To start off, 2007 BMW M5 is newer by 50 year(s). Which means there will be less support and parts availability for 1957 AC Ace. In addition, the cost of maintenance, including insurance, on 1957 AC Ace would be higher. At 4,998 cc (10 cylinders), 2007 BMW M5 is equipped with a bigger engine. In terms of performance, 2007 BMW M5 (500 HP @ 7750 RPM) has 377 more horse power than 1957 AC Ace. (123 HP @ 6000 RPM) In normal driving conditions, 2007 BMW M5 should accelerate faster than 1957 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW M5 weights approximately 936 kg more than 1957 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, 2007 BMW M5 (520 Nm @ 6100 RPM) has 353 more torque (in Nm) than 1957 AC Ace. (167 Nm @ 4500 RPM). This means 2007 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 1957 AC Ace.
Compare all specifications:
| 1957 AC Ace | 2007 BMW M5 | |
| Make | AC | BMW |
| Model | Ace | M5 |
| Year Released | 1957 | 2007 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 4998 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 123 HP | 500 HP |
| Engine RPM | 6000 RPM | 7750 RPM |
| Torque | 167 Nm | 520 Nm |
| Torque RPM | 4500 RPM | 6100 RPM |
| Engine Compression Ratio | 9.0:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 894 kg | 1830 kg |
| Vehicle Length | 3850 mm | 4860 mm |
| Vehicle Width | 1520 mm | 1850 mm |
| Vehicle Height | 1250 mm | 1480 mm |
| Wheelbase Size | 2290 mm | 2900 mm |
| Fuel Tank Capacity | 59 L | 70 L |
