1957 AC Ace vs. 1990 BMW 518
To start off, 1990 BMW 518 is newer by 33 year(s). Which means there will be less support and parts availability for 1957 AC Ace. In addition, the cost of maintenance, including insurance, on 1957 AC Ace would be higher. At 1,971 cc (6 cylinders), 1957 AC Ace is equipped with a bigger engine. In terms of performance, 1957 AC Ace (123 HP @ 6000 RPM) has 10 more horse power than 1990 BMW 518. (113 HP @ 5500 RPM). In normal driving conditions, 1957 AC Ace should accelerate faster than 1990 BMW 518. With that said, vehicle weight also plays an important factor in acceleration. 1990 BMW 518 weights approximately 266 kg more than 1957 AC Ace.
Let's talk about torque, 1957 AC Ace (167 Nm @ 4500 RPM) has 6 more torque (in Nm) than 1990 BMW 518. (161 Nm @ 4250 RPM). This means 1957 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 1990 BMW 518.
Compare all specifications:
| 1957 AC Ace | 1990 BMW 518 | |
| Make | AC | BMW |
| Model | Ace | 518 |
| Year Released | 1957 | 1990 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 1766 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 113 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 167 Nm | 161 Nm |
| Torque RPM | 4500 RPM | 4250 RPM |
| Engine Compression Ratio | 9.0:1 | 8.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 894 kg | 1160 kg |
| Vehicle Length | 3850 mm | 4730 mm |
| Vehicle Width | 1520 mm | 1760 mm |
| Vehicle Height | 1250 mm | 1420 mm |
| Wheelbase Size | 2290 mm | 2770 mm |
| Fuel Tank Capacity | 59 L | 52 L |
