1956 AC Ace vs. 1990 Renault 21
To start off, 1990 Renault 21 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 2,068 cc (4 cylinders), 1990 Renault 21 is equipped with a bigger engine. In terms of performance, 1990 Renault 21 (175 HP @ 5200 RPM) has 101 more horse power than 1956 AC Ace. (74 HP @ 4500 RPM) In normal driving conditions, 1990 Renault 21 should accelerate faster than 1956 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1990 Renault 21 weights approximately 451 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 Renault 21 (271 Nm) has 104 more torque (in Nm) than 1956 AC Ace. (167 Nm). This means 1990 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 1956 AC Ace.
Compare all specifications:
| 1956 AC Ace | 1990 Renault 21 | |
| Make | AC | Renault |
| Model | Ace | 21 |
| Year Released | 1956 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 2068 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 74 HP | 175 HP |
| Engine RPM | 4500 RPM | 5200 RPM |
| Torque | 167 Nm | 271 Nm |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 894 kg | 1345 kg |
| Vehicle Length | 3850 mm | 4650 mm |
| Vehicle Width | 1520 mm | 1720 mm |
| Vehicle Height | 1250 mm | 1450 mm |
| Wheelbase Size | 2290 mm | 2610 mm |
| Fuel Tank Capacity | 59 L | 62 L |
