1957 AC Ace vs. 1974 Opel Manta
To start off, 1974 Opel Manta is newer by 17 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 1,971 cc (6 cylinders), 1957 AC Ace is equipped with a bigger engine. In terms of performance, 1957 AC Ace (123 HP @ 6000 RPM) has 64 more horse power than 1974 Opel Manta. (59 HP @ 5400 RPM). In normal driving conditions, 1957 AC Ace should accelerate faster than 1974 Opel Manta. With that said, vehicle weight also plays an important factor in acceleration. 1974 Opel Manta weights approximately 36 kg more than 1957 AC Ace.
Let's talk about torque, 1957 AC Ace (167 Nm @ 4500 RPM) has 77 more torque (in Nm) than 1974 Opel Manta. (90 Nm @ 3000 RPM). This means 1957 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 1974 Opel Manta.
Compare all specifications:
| 1957 AC Ace | 1974 Opel Manta | |
| Make | AC | Opel |
| Model | Ace | Manta |
| Year Released | 1957 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 1196 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 59 HP |
| Engine RPM | 6000 RPM | 5400 RPM |
| Torque | 167 Nm | 90 Nm |
| Torque RPM | 4500 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 4 seats |
| Vehicle Weight | 894 kg | 930 kg |
| Vehicle Length | 3850 mm | 4300 mm |
| Vehicle Width | 1520 mm | 1640 mm |
| Vehicle Height | 1250 mm | 1360 mm |
| Wheelbase Size | 2290 mm | 2440 mm |
