1961 AC Greyhound vs. 2009 BMW M3
To start off, 2009 BMW M3 is newer by 48 year(s). Which means there will be less support and parts availability for 1961 AC Greyhound. In addition, the cost of maintenance, including insurance, on 1961 AC Greyhound would be higher. At 3,999 cc (8 cylinders), 2009 BMW M3 is equipped with a bigger engine. In terms of performance, 2009 BMW M3 (414 HP @ 8300 RPM) has 291 more horse power than 1961 AC Greyhound. (123 HP @ 5750 RPM) In normal driving conditions, 2009 BMW M3 should accelerate faster than 1961 AC Greyhound. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW M3 weights approximately 305 kg more than 1961 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, 2009 BMW M3 (400 Nm) has 221 more torque (in Nm) than 1961 AC Greyhound. (179 Nm). This means 2009 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 1961 AC Greyhound.
Compare all specifications:
| 1961 AC Greyhound | 2009 BMW M3 | |
| Make | AC | BMW |
| Model | Greyhound | M3 |
| Year Released | 1961 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 3999 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 123 HP | 414 HP |
| Engine RPM | 5750 RPM | 8300 RPM |
| Torque | 179 Nm | 400 Nm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1015 kg | 1320 kg |
| Vehicle Length | 4580 mm | 4620 mm |
| Vehicle Width | 1670 mm | 1400 mm |
| Vehicle Height | 1340 mm | 1810 mm |
| Wheelbase Size | 2550 mm | 2770 mm |
| Fuel Tank Capacity | 54 L | 63 L |
