1957 AC Ace vs. 1991 Saab 9000
To start off, 1991 Saab 9000 is newer by 34 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 1,985 cc (4 cylinders), 1991 Saab 9000 is equipped with a bigger engine. In terms of performance, 1991 Saab 9000 (130 HP @ 6000 RPM) has 7 more horse power than 1957 AC Ace. (123 HP @ 6000 RPM) In normal driving conditions, 1991 Saab 9000 should accelerate faster than 1957 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1991 Saab 9000 weights approximately 521 kg more than 1957 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, 1991 Saab 9000 (173 Nm @ 3750 RPM) has 6 more torque (in Nm) than 1957 AC Ace. (167 Nm @ 4500 RPM). This means 1991 Saab 9000 will have an easier job in driving up hills or pulling heavy equipment than 1957 AC Ace.
Compare all specifications:
| 1957 AC Ace | 1991 Saab 9000 | |
| Make | AC | Saab |
| Model | Ace | 9000 |
| Year Released | 1957 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 1985 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 130 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 167 Nm | 173 Nm |
| Torque RPM | 4500 RPM | 3750 RPM |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 894 kg | 1415 kg |
| Vehicle Length | 3850 mm | 4770 mm |
| Vehicle Width | 1520 mm | 1780 mm |
| Vehicle Height | 1250 mm | 1420 mm |
| Wheelbase Size | 2290 mm | 2670 mm |
