1958 AC Ace vs. 1955 AC 2-Litre
To start off, 1958 AC Ace is newer by 3 year(s). Which means there will be less support and parts availability for 1955 AC 2-Litre. In addition, the cost of maintenance, including insurance, on 1955 AC 2-Litre would be higher. Both 1958 AC Ace and 1955 AC 2-Litre are equipped with a 1,991 cc engine. In terms of performance, 1955 AC 2-Litre (76 HP @ 4500 RPM) has 2 more horse power than 1958 AC Ace. (74 HP @ 4500 RPM) In normal driving conditions, 1955 AC 2-Litre should accelerate faster than 1958 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1955 AC 2-Litre weights approximately 430 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, 1958 AC Ace (167 Nm) has 31 more torque (in Nm) than 1955 AC 2-Litre. (136 Nm). This means 1958 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 1955 AC 2-Litre.
Compare all specifications:
| 1958 AC Ace | 1955 AC 2-Litre | |
| Make | AC | AC |
| Model | Ace | 2-Litre |
| Year Released | 1958 | 1955 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 1991 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 74 HP | 76 HP |
| Engine RPM | 4500 RPM | 4500 RPM |
| Torque | 167 Nm | 136 Nm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 890 kg | 1320 kg |
| Vehicle Length | 3850 mm | 4680 mm |
| Vehicle Width | 1520 mm | 1710 mm |
| Vehicle Height | 1250 mm | 1560 mm |
| Wheelbase Size | 2290 mm | 2980 mm |
| Fuel Tank Capacity | 59 L | 52 L |
