1963 AC Greyhound vs. 1993 BMW 856
To start off, 1993 BMW 856 is newer by 30 year(s). Which means there will be less support and parts availability for 1963 AC Greyhound. In addition, the cost of maintenance, including insurance, on 1963 AC Greyhound would be higher. At 5,576 cc (12 cylinders), 1993 BMW 856 is equipped with a bigger engine. In terms of performance, 1993 BMW 856 (376 HP @ 5300 RPM) has 253 more horse power than 1963 AC Greyhound. (123 HP @ 5750 RPM) In normal driving conditions, 1993 BMW 856 should accelerate faster than 1963 AC Greyhound. With that said, vehicle weight also plays an important factor in acceleration. 1993 BMW 856 weights approximately 850 kg more than 1963 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, 1993 BMW 856 (550 Nm) has 371 more torque (in Nm) than 1963 AC Greyhound. (179 Nm). This means 1993 BMW 856 will have an easier job in driving up hills or pulling heavy equipment than 1963 AC Greyhound.
Compare all specifications:
| 1963 AC Greyhound | 1993 BMW 856 | |
| Make | AC | BMW |
| Model | Greyhound | 856 |
| Year Released | 1963 | 1993 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 5576 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 123 HP | 376 HP |
| Engine RPM | 5750 RPM | 5300 RPM |
| Torque | 179 Nm | 550 Nm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1015 kg | 1865 kg |
| Vehicle Length | 4580 mm | 4790 mm |
| Vehicle Width | 1670 mm | 1860 mm |
| Vehicle Height | 1340 mm | 1350 mm |
| Wheelbase Size | 2550 mm | 2690 mm |
