1958 AC Ace vs. 2011 BMW 125
To start off, 2011 BMW 125 is newer by 53 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 2,996 cc (6 cylinders), 2011 BMW 125 is equipped with a bigger engine. In terms of performance, 2011 BMW 125 (215 HP @ 6700 RPM) has 90 more horse power than 1958 AC Ace. (125 HP @ 6000 RPM) In normal driving conditions, 2011 BMW 125 should accelerate faster than 1958 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW 125 weights approximately 636 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, 2011 BMW 125 (270 Nm @ 2500 RPM) has 103 more torque (in Nm) than 1958 AC Ace. (167 Nm @ 4500 RPM). This means 2011 BMW 125 will have an easier job in driving up hills or pulling heavy equipment than 1958 AC Ace.
Compare all specifications:
| 1958 AC Ace | 2011 BMW 125 | |
| Make | AC | BMW |
| Model | Ace | 125 |
| Year Released | 1958 | 2011 |
| Body Type | Roadster | Convertible |
| 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 | 125 HP | 215 HP |
| Engine RPM | 6000 RPM | 6700 RPM |
| Torque | 167 Nm | 270 Nm |
| Torque RPM | 4500 RPM | 2500 RPM |
| Engine Bore Size | 66 mm | 85 mm |
| Engine Stroke Size | 96 mm | 88 mm |
| Engine Compression Ratio | 9.0:1 | 10.7:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 894 kg | 1530 kg |
| Vehicle Length | 4010 mm | 4370 mm |
| Vehicle Width | 1520 mm | 1420 mm |
| Vehicle Height | 1270 mm | 1760 mm |
| Wheelbase Size | 2290 mm | 2670 mm |
| Fuel Tank Capacity | 59 L | 53 L |
