1956 AC Ace vs. 1990 Pontiac Grand Prix
To start off, 1990 Pontiac Grand Prix is newer by 34 year(s). Which means there will be less support and parts availability for 1956 AC Ace. In addition, the cost of maintenance, including insurance, on 1956 AC Ace would be higher. At 3,352 cc (6 cylinders), 1990 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 1990 Pontiac Grand Prix (208 HP @ 5200 RPM) has 85 more horse power than 1956 AC Ace. (123 HP @ 6000 RPM) In normal driving conditions, 1990 Pontiac Grand Prix should accelerate faster than 1956 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1990 Pontiac Grand Prix weights approximately 715 kg more than 1956 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, 1990 Pontiac Grand Prix (291 Nm) has 124 more torque (in Nm) than 1956 AC Ace. (167 Nm). This means 1990 Pontiac Grand Prix will have an easier job in driving up hills or pulling heavy equipment than 1956 AC Ace. 1990 Pontiac Grand Prix has automatic transmission and 1956 AC Ace has manual transmission. 1956 AC Ace will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1990 Pontiac Grand Prix will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1956 AC Ace | 1990 Pontiac Grand Prix | |
| Make | AC | Pontiac |
| Model | Ace | Grand Prix |
| Year Released | 1956 | 1990 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 3352 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 123 HP | 208 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 167 Nm | 291 Nm |
| Engine Bore Size | 66 mm | 92 mm |
| Engine Stroke Size | 96 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 894 kg | 1609 kg |
| Vehicle Length | 3850 mm | 4930 mm |
| Vehicle Width | 1520 mm | 1810 mm |
| Vehicle Height | 1250 mm | 1360 mm |
| Wheelbase Size | 2290 mm | 2790 mm |
| Fuel Tank Capacity | 59 L | 76 L |
