1958 AC Ace vs. 1986 Renault 21
To start off, 1986 Renault 21 is newer by 28 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 2,068 cc (4 cylinders), 1986 Renault 21 is equipped with a bigger engine. In terms of performance, 1958 AC Ace (125 HP) has 59 more horse power than 1986 Renault 21. (66 HP). In normal driving conditions, 1958 AC Ace should accelerate faster than 1986 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1986 Renault 21 weights approximately 186 kg more than 1958 AC Ace.
Let's talk about torque, 1958 AC Ace (167 Nm @ 4500 RPM) has 41 more torque (in Nm) than 1986 Renault 21. (126 Nm @ 2250 RPM). This means 1958 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 21.
Compare all specifications:
| 1958 AC Ace | 1986 Renault 21 | |
| Make | AC | Renault |
| Model | Ace | 21 |
| Year Released | 1958 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 2068 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 66 HP |
| Torque | 167 Nm | 126 Nm |
| Torque RPM | 4500 RPM | 2250 RPM |
| Engine Bore Size | 66 mm | 86 mm |
| Engine Stroke Size | 96 mm | 89 mm |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 894 kg | 1080 kg |
| Vehicle Length | 4010 mm | 4470 mm |
| Vehicle Width | 1520 mm | 1720 mm |
| Vehicle Height | 1270 mm | 1420 mm |
| Wheelbase Size | 2290 mm | 2610 mm |
