1958 AC Ace vs. 1988 Renault 21
To start off, 1988 Renault 21 is newer by 30 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 1,995 cc (4 cylinders), 1988 Renault 21 is equipped with a bigger engine. In terms of performance, 1988 Renault 21 (140 HP @ 6000 RPM) has 15 more horse power than 1958 AC Ace. (125 HP @ 6000 RPM) In normal driving conditions, 1988 Renault 21 should accelerate faster than 1958 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1988 Renault 21 weights approximately 261 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, 1988 Renault 21 (177 Nm @ 4300 RPM) has 10 more torque (in Nm) than 1958 AC Ace. (167 Nm @ 4500 RPM). This means 1988 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 1958 AC Ace.
Compare all specifications:
| 1958 AC Ace | 1988 Renault 21 | |
| Make | AC | Renault |
| Model | Ace | 21 |
| Year Released | 1958 | 1988 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 140 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 167 Nm | 177 Nm |
| Torque RPM | 4500 RPM | 4300 RPM |
| Engine Bore Size | 66 mm | 88 mm |
| Engine Stroke Size | 96 mm | 82 mm |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 894 kg | 1155 kg |
| Vehicle Length | 4010 mm | 4460 mm |
| Vehicle Width | 1520 mm | 1710 mm |
| Vehicle Height | 1270 mm | 1430 mm |
| Wheelbase Size | 2290 mm | 2610 mm |
