1958 AC Ace vs. 2009 BMW 650
To start off, 2009 BMW 650 is newer by 51 year(s). Which means there will be less support and parts availability for 1958 AC Ace. In addition, the cost of maintenance, including insurance, on 1958 AC Ace would be higher. At 4,799 cc (8 cylinders), 2009 BMW 650 is equipped with a bigger engine. In terms of performance, 2009 BMW 650 (362 HP @ 6300 RPM) has 237 more horse power than 1958 AC Ace. (125 HP @ 6000 RPM) In normal driving conditions, 2009 BMW 650 should accelerate faster than 1958 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 650 weights approximately 631 kg more than 1958 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 650 (490 Nm @ 3400 RPM) has 323 more torque (in Nm) than 1958 AC Ace. (167 Nm @ 4500 RPM). This means 2009 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 1958 AC Ace.
Compare all specifications:
| 1958 AC Ace | 2009 BMW 650 | |
| Make | AC | BMW |
| Model | Ace | 650 |
| Year Released | 1958 | 2009 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 4799 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 125 HP | 362 HP |
| Engine RPM | 6000 RPM | 6300 RPM |
| Torque | 167 Nm | 490 Nm |
| Torque RPM | 4500 RPM | 3400 RPM |
| Engine Bore Size | 66 mm | 92 mm |
| Engine Stroke Size | 96 mm | 82.7 mm |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 894 kg | 1525 kg |
| Vehicle Length | 4010 mm | 4830 mm |
| Vehicle Width | 1520 mm | 1380 mm |
| Vehicle Height | 1270 mm | 1860 mm |
| Wheelbase Size | 2290 mm | 2790 mm |
| Fuel Tank Capacity | 59 L | 70 L |
