1956 AC Ace vs. 2012 BMW 640
To start off, 2012 BMW 640 is newer by 56 year(s). Which means there will be less support and parts availability for 1956 AC Ace. In addition, the cost of maintenance, including insurance, on 1956 AC Ace would be higher. At 2,993 cc (6 cylinders), 2012 BMW 640 is equipped with a bigger engine. In terms of performance, 2012 BMW 640 (311 HP @ 4400 RPM) has 237 more horse power than 1956 AC Ace. (74 HP @ 4500 RPM) In normal driving conditions, 2012 BMW 640 should accelerate faster than 1956 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW 640 weights approximately 896 kg more than 1956 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, 2012 BMW 640 (630 Nm) has 463 more torque (in Nm) than 1956 AC Ace. (167 Nm). This means 2012 BMW 640 will have an easier job in driving up hills or pulling heavy equipment than 1956 AC Ace.
Compare all specifications:
| 1956 AC Ace | 2012 BMW 640 | |
| Make | AC | BMW |
| Model | Ace | 640 |
| Year Released | 1956 | 2012 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 74 HP | 311 HP |
| Engine RPM | 4500 RPM | 4400 RPM |
| Torque | 167 Nm | 630 Nm |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 894 kg | 1790 kg |
| Vehicle Length | 3850 mm | 4894 mm |
| Vehicle Width | 1520 mm | 1894 mm |
| Vehicle Height | 1250 mm | 1369 mm |
| Wheelbase Size | 2290 mm | 2855 mm |
| Fuel Tank Capacity | 59 L | 70 L |
