1958 AC Ace vs. 1973 Pontiac Firebird
To start off, 1973 Pontiac Firebird is newer by 15 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 5,792 cc (8 cylinders), 1973 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1973 Pontiac Firebird (158 HP @ 4400 RPM) has 84 more horse power than 1958 AC Ace. (74 HP @ 4500 RPM) In normal driving conditions, 1973 Pontiac Firebird should accelerate faster than 1958 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1973 Pontiac Firebird weights approximately 695 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, 1973 Pontiac Firebird (366 Nm) has 199 more torque (in Nm) than 1958 AC Ace. (167 Nm). This means 1973 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1958 AC Ace.
Compare all specifications:
| 1958 AC Ace | 1973 Pontiac Firebird | |
| Make | AC | Pontiac |
| Model | Ace | Firebird |
| Year Released | 1958 | 1973 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 5792 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 74 HP | 158 HP |
| Engine RPM | 4500 RPM | 4400 RPM |
| Torque | 167 Nm | 366 Nm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 890 kg | 1585 kg |
| Vehicle Length | 3850 mm | 4880 mm |
| Vehicle Width | 1520 mm | 1870 mm |
| Vehicle Height | 1250 mm | 1290 mm |
| Wheelbase Size | 2290 mm | 2750 mm |
