1958 AC Ace vs. 1975 Mercedes-Benz S
To start off, 1975 Mercedes-Benz S is newer by 17 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 2,746 cc (6 cylinders), 1975 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 1975 Mercedes-Benz S (158 HP @ 5500 RPM) has 33 more horse power than 1958 AC Ace. (125 HP @ 6000 RPM) In normal driving conditions, 1975 Mercedes-Benz S should accelerate faster than 1958 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1975 Mercedes-Benz S weights approximately 716 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, 1975 Mercedes-Benz S (227 Nm @ 4000 RPM) has 60 more torque (in Nm) than 1958 AC Ace. (167 Nm @ 4500 RPM). This means 1975 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 1958 AC Ace.
Compare all specifications:
| 1958 AC Ace | 1975 Mercedes-Benz S | |
| Make | AC | Mercedes-Benz |
| Model | Ace | S |
| Year Released | 1958 | 1975 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 2746 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 158 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 167 Nm | 227 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Engine Bore Size | 66 mm | 86 mm |
| Engine Stroke Size | 96 mm | 78.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 894 kg | 1610 kg |
| Vehicle Length | 4010 mm | 4970 mm |
| Vehicle Width | 1520 mm | 1880 mm |
| Vehicle Height | 1270 mm | 1430 mm |
| Wheelbase Size | 2290 mm | 2870 mm |
| Fuel Tank Capacity | 59 L | 85 L |
