1956 AC Ace vs. 1971 BMW 3
To start off, 1971 BMW 3 is newer by 15 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 2,986 cc (6 cylinders), 1971 BMW 3 is equipped with a bigger engine. In terms of performance, 1971 BMW 3 (180 HP @ 6000 RPM) has 106 more horse power than 1956 AC Ace. (74 HP @ 4500 RPM) In normal driving conditions, 1971 BMW 3 should accelerate faster than 1956 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1971 BMW 3 weights approximately 486 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, 1971 BMW 3 (255 Nm) has 88 more torque (in Nm) than 1956 AC Ace. (167 Nm). This means 1971 BMW 3 will have an easier job in driving up hills or pulling heavy equipment than 1956 AC Ace.
Compare all specifications:
| 1956 AC Ace | 1971 BMW 3 | |
| Make | AC | BMW |
| Model | Ace | 3 |
| Year Released | 1956 | 1971 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 2986 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 74 HP | 180 HP |
| Engine RPM | 4500 RPM | 6000 RPM |
| Torque | 167 Nm | 255 Nm |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 894 kg | 1380 kg |
| Vehicle Length | 3850 mm | 4740 mm |
| Vehicle Width | 1520 mm | 1700 mm |
| Vehicle Height | 1250 mm | 1370 mm |
| Wheelbase Size | 2290 mm | 2670 mm |
