1958 AC Ace vs. 1975 Mercury Cougar
To start off, 1975 Mercury Cougar 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 5,766 cc (8 cylinders), 1975 Mercury Cougar is equipped with a bigger engine. In terms of performance, 1975 Mercury Cougar (152 HP @ 3600 RPM) has 78 more horse power than 1958 AC Ace. (74 HP @ 4500 RPM) In normal driving conditions, 1975 Mercury Cougar should accelerate faster than 1958 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1975 Mercury Cougar weights approximately 1140 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 Mercury Cougar (378 Nm) has 211 more torque (in Nm) than 1958 AC Ace. (167 Nm). This means 1975 Mercury Cougar will have an easier job in driving up hills or pulling heavy equipment than 1958 AC Ace.
Compare all specifications:
| 1958 AC Ace | 1975 Mercury Cougar | |
| Make | AC | Mercury |
| Model | Ace | Cougar |
| Year Released | 1958 | 1975 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 5766 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 74 HP | 152 HP |
| Engine RPM | 4500 RPM | 3600 RPM |
| Torque | 167 Nm | 378 Nm |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 890 kg | 2030 kg |
| Vehicle Length | 3850 mm | 5480 mm |
| Vehicle Width | 1520 mm | 2010 mm |
| Vehicle Height | 1250 mm | 1340 mm |
| Wheelbase Size | 2290 mm | 2910 mm |
