1958 AC Ace vs. 2006 Rover 75
To start off, 2006 Rover 75 is newer by 48 year(s). Which means there will be less support and parts availability for 1958 AC Ace. In addition, the cost of maintenance, including insurance, on 1958 AC Ace would be higher. At 1,971 cc (6 cylinders), 1958 AC Ace is equipped with a bigger engine. In terms of performance, 2006 Rover 75 (129 HP @ 4000 RPM) has 4 more horse power than 1958 AC Ace. (125 HP @ 6000 RPM) In normal driving conditions, 2006 Rover 75 should accelerate faster than 1958 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 2006 Rover 75 weights approximately 691 kg more than 1958 AC Ace. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2006 Rover 75 (300 Nm @ 1900 RPM) has 133 more torque (in Nm) than 1958 AC Ace. (167 Nm @ 4500 RPM). This means 2006 Rover 75 will have an easier job in driving up hills or pulling heavy equipment than 1958 AC Ace.
Compare all specifications:
| 1958 AC Ace | 2006 Rover 75 | |
| Make | AC | Rover |
| Model | Ace | 75 |
| Year Released | 1958 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 1951 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 125 HP | 129 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 167 Nm | 300 Nm |
| Torque RPM | 4500 RPM | 1900 RPM |
| Engine Bore Size | 66 mm | 84 mm |
| Engine Stroke Size | 96 mm | 88 mm |
| Engine Compression Ratio | 9.0:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 894 kg | 1585 kg |
| Vehicle Length | 4010 mm | 4750 mm |
| Vehicle Width | 1520 mm | 1780 mm |
| Vehicle Height | 1270 mm | 1430 mm |
| Wheelbase Size | 2290 mm | 2750 mm |
| Fuel Tank Capacity | 59 L | 65 L |
