1959 AC Greyhound vs. 1972 BMW 520
To start off, 1972 BMW 520 is newer by 13 year(s). Which means there will be less support and parts availability for 1959 AC Greyhound. In addition, the cost of maintenance, including insurance, on 1959 AC Greyhound would be higher. At 2,216 cc (6 cylinders), 1959 AC Greyhound is equipped with a bigger engine. In terms of performance, 1972 BMW 520 (150 HP @ 5900 RPM) has 46 more horse power than 1959 AC Greyhound. (104 HP @ 4700 RPM) In normal driving conditions, 1972 BMW 520 should accelerate faster than 1959 AC Greyhound. With that said, vehicle weight also plays an important factor in acceleration. 1972 BMW 520 weights approximately 352 kg more than 1959 AC Greyhound. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1972 BMW 520 (190 Nm @ 4200 RPM) has 15 more torque (in Nm) than 1959 AC Greyhound. (175 Nm @ 4700 RPM). This means 1972 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1959 AC Greyhound.
Compare all specifications:
| 1959 AC Greyhound | 1972 BMW 520 | |
| Make | AC | BMW |
| Model | Greyhound | 520 |
| Year Released | 1959 | 1972 |
| Engine Position | Front | Front |
| Engine Size | 2216 cc | 1991 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 104 HP | 150 HP |
| Engine RPM | 4700 RPM | 5900 RPM |
| Torque | 175 Nm | 190 Nm |
| Torque RPM | 4700 RPM | 4200 RPM |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1093 kg | 1445 kg |
| Vehicle Length | 4580 mm | 4630 mm |
| Vehicle Width | 1670 mm | 1700 mm |
| Vehicle Height | 1340 mm | 1430 mm |
| Wheelbase Size | 2550 mm | 2770 mm |
| Fuel Tank Capacity | 54 L | 80 L |
