1963 AC Greyhound vs. 2003 Mazda 6
To start off, 2003 Mazda 6 is newer by 40 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 1,999 cc (4 cylinders), 2003 Mazda 6 is equipped with a bigger engine. In terms of performance, 2003 Mazda 6 (138 HP @ 6000 RPM) has 15 more horse power than 1963 AC Greyhound. (123 HP @ 5750 RPM) In normal driving conditions, 2003 Mazda 6 should accelerate faster than 1963 AC Greyhound. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mazda 6 weights approximately 305 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, 2003 Mazda 6 (181 Nm) has 2 more torque (in Nm) than 1963 AC Greyhound. (179 Nm). This means 2003 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 1963 AC Greyhound.
Compare all specifications:
| 1963 AC Greyhound | 2003 Mazda 6 | |
| Make | AC | Mazda |
| Model | Greyhound | 6 |
| Year Released | 1963 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 1999 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 123 HP | 138 HP |
| Engine RPM | 5750 RPM | 6000 RPM |
| Torque | 179 Nm | 181 Nm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1015 kg | 1320 kg |
| Vehicle Length | 4580 mm | 4690 mm |
| Vehicle Width | 1670 mm | 1790 mm |
| Vehicle Height | 1340 mm | 1440 mm |
| Wheelbase Size | 2550 mm | 2620 mm |
| Fuel Tank Capacity | 54 L | 64 L |
