1956 AC Ace vs. 2005 BMW 520
To start off, 2005 BMW 520 is newer by 49 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 2,171 cc (6 cylinders), 2005 BMW 520 is equipped with a bigger engine. In terms of performance, 2005 BMW 520 (170 HP @ 6000 RPM) has 96 more horse power than 1956 AC Ace. (74 HP @ 4500 RPM) In normal driving conditions, 2005 BMW 520 should accelerate faster than 1956 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 520 weights approximately 776 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, 2005 BMW 520 (210 Nm) has 43 more torque (in Nm) than 1956 AC Ace. (167 Nm). This means 2005 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1956 AC Ace.
Compare all specifications:
| 1956 AC Ace | 2005 BMW 520 | |
| Make | AC | BMW |
| Model | Ace | 520 |
| Year Released | 1956 | 2005 |
| Body Type | Roadster | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 74 HP | 170 HP |
| Engine RPM | 4500 RPM | 6000 RPM |
| Torque | 167 Nm | 210 Nm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 894 kg | 1670 kg |
| Vehicle Length | 3850 mm | 4810 mm |
| Vehicle Width | 1520 mm | 1810 mm |
| Vehicle Height | 1250 mm | 1450 mm |
| Wheelbase Size | 2290 mm | 2840 mm |
| Fuel Tank Capacity | 59 L | 70 L |
