1956 AC Ace vs. 2009 BMW X6
To start off, 2009 BMW X6 is newer by 53 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 2,996 cc (6 cylinders), 2009 BMW X6 is equipped with a bigger engine. In terms of performance, 2009 BMW X6 (282 HP @ 4400 RPM) has 159 more horse power than 1956 AC Ace. (123 HP @ 6000 RPM) In normal driving conditions, 2009 BMW X6 should accelerate faster than 1956 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X6 weights approximately 1291 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, 2009 BMW X6 (580 Nm) has 413 more torque (in Nm) than 1956 AC Ace. (167 Nm). This means 2009 BMW X6 will have an easier job in driving up hills or pulling heavy equipment than 1956 AC Ace. 2009 BMW X6 has automatic transmission and 1956 AC Ace has manual transmission. 1956 AC Ace will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW X6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1956 AC Ace | 2009 BMW X6 | |
| Make | AC | BMW |
| Model | Ace | X6 |
| Year Released | 1956 | 2009 |
| Body Type | Roadster | SUV |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 123 HP | 282 HP |
| Engine RPM | 6000 RPM | 4400 RPM |
| Torque | 167 Nm | 580 Nm |
| Engine Bore Size | 66 mm | 84 mm |
| Engine Stroke Size | 96 mm | 90 mm |
| Fuel Type | Gasoline | Diesel |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 894 kg | 2185 kg |
| Vehicle Length | 3850 mm | 4880 mm |
| Vehicle Width | 1520 mm | 1990 mm |
| Vehicle Height | 1250 mm | 1700 mm |
| Wheelbase Size | 2290 mm | 2940 mm |
| Fuel Tank Capacity | 59 L | 85 L |
