1958 AC Ace vs. 1981 Reliant Scimitar
To start off, 1981 Reliant Scimitar is newer by 23 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 2,792 cc (6 cylinders), 1981 Reliant Scimitar is equipped with a bigger engine. In terms of performance, 1981 Reliant Scimitar (135 HP @ 5200 RPM) has 10 more horse power than 1958 AC Ace. (125 HP @ 6000 RPM) In normal driving conditions, 1981 Reliant Scimitar should accelerate faster than 1958 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1981 Reliant Scimitar weights approximately 371 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, 1981 Reliant Scimitar (207 Nm @ 3000 RPM) has 40 more torque (in Nm) than 1958 AC Ace. (167 Nm @ 4500 RPM). This means 1981 Reliant Scimitar will have an easier job in driving up hills or pulling heavy equipment than 1958 AC Ace.
Compare all specifications:
| 1958 AC Ace | 1981 Reliant Scimitar | |
| Make | AC | Reliant |
| Model | Ace | Scimitar |
| Year Released | 1958 | 1981 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 2792 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 125 HP | 135 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 167 Nm | 207 Nm |
| Torque RPM | 4500 RPM | 3000 RPM |
| Engine Bore Size | 66 mm | 93 mm |
| Engine Stroke Size | 96 mm | 68.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 894 kg | 1265 kg |
| Vehicle Length | 4010 mm | 4450 mm |
| Vehicle Width | 1520 mm | 1720 mm |
| Vehicle Height | 1270 mm | 1330 mm |
| Wheelbase Size | 2290 mm | 2640 mm |
