1957 AC Ace vs. 1984 Ford Sierra
To start off, 1984 Ford Sierra is newer by 27 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 2,304 cc (4 cylinders), 1984 Ford Sierra is equipped with a bigger engine. In terms of performance, 1957 AC Ace (123 HP @ 6000 RPM) has 57 more horse power than 1984 Ford Sierra. (66 HP @ 4200 RPM). In normal driving conditions, 1957 AC Ace should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1984 Ford Sierra weights approximately 301 kg more than 1957 AC Ace.
Let's talk about torque, 1957 AC Ace (167 Nm @ 4500 RPM) has 27 more torque (in Nm) than 1984 Ford Sierra. (140 Nm @ 2000 RPM). This means 1957 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 1957 AC Ace | 1984 Ford Sierra | |
| Make | AC | Ford |
| Model | Ace | Sierra |
| Year Released | 1957 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 2304 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 66 HP |
| Engine RPM | 6000 RPM | 4200 RPM |
| Torque | 167 Nm | 140 Nm |
| Torque RPM | 4500 RPM | 2000 RPM |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 894 kg | 1195 kg |
| Vehicle Length | 3850 mm | 4420 mm |
| Vehicle Width | 1520 mm | 1730 mm |
| Vehicle Height | 1250 mm | 1420 mm |
| Wheelbase Size | 2290 mm | 2620 mm |
| Fuel Tank Capacity | 59 L | 60 L |
