1957 AC Ace vs. 2004 MG ZS
To start off, 2004 MG ZS is newer by 47 year(s). Which means there will be less support and parts availability for 1957 AC Ace. In addition, the cost of maintenance, including insurance, on 1957 AC Ace would be higher. At 2,495 cc (6 cylinders), 2004 MG ZS is equipped with a bigger engine. In terms of performance, 2004 MG ZS (175 HP @ 6500 RPM) has 52 more horse power than 1957 AC Ace. (123 HP @ 6000 RPM) In normal driving conditions, 2004 MG ZS should accelerate faster than 1957 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 2004 MG ZS weights approximately 251 kg more than 1957 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, 2004 MG ZS (240 Nm @ 4000 RPM) has 73 more torque (in Nm) than 1957 AC Ace. (167 Nm @ 4500 RPM). This means 2004 MG ZS will have an easier job in driving up hills or pulling heavy equipment than 1957 AC Ace.
Compare all specifications:
| 1957 AC Ace | 2004 MG ZS | |
| Make | AC | MG |
| Model | Ace | ZS |
| Year Released | 1957 | 2004 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 2495 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 123 HP | 175 HP |
| Engine RPM | 6000 RPM | 6500 RPM |
| Torque | 167 Nm | 240 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 894 kg | 1145 kg |
| Vehicle Length | 3850 mm | 4550 mm |
| Vehicle Width | 1520 mm | 1690 mm |
| Vehicle Height | 1250 mm | 1390 mm |
| Wheelbase Size | 2290 mm | 2630 mm |
| Fuel Tank Capacity | 59 L | 55 L |
