1947 Allard J1 vs. 1972 Renault 15
To start off, 1972 Renault 15 is newer by 25 year(s). Which means there will be less support and parts availability for 1947 Allard J1. In addition, the cost of maintenance, including insurance, on 1947 Allard J1 would be higher. At 3,620 cc (8 cylinders), 1947 Allard J1 is equipped with a bigger engine. In terms of performance, 1947 Allard J1 (85 HP @ 3800 RPM) has 26 more horse power than 1972 Renault 15. (59 HP @ 5500 RPM). In normal driving conditions, 1947 Allard J1 should accelerate faster than 1972 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 1947 Allard J1 weights approximately 55 kg more than 1972 Renault 15. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1947 Allard J1 (203 Nm @ 1500 RPM) has 105 more torque (in Nm) than 1972 Renault 15. (98 Nm @ 3500 RPM). This means 1947 Allard J1 will have an easier job in driving up hills or pulling heavy equipment than 1972 Renault 15.
Compare all specifications:
| 1947 Allard J1 | 1972 Renault 15 | |
| Make | Allard | Renault |
| Model | J1 | 15 |
| Year Released | 1947 | 1972 |
| Engine Position | Front | Front |
| Engine Size | 3620 cc | 1289 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 59 HP |
| Engine RPM | 3800 RPM | 5500 RPM |
| Torque | 203 Nm | 98 Nm |
| Torque RPM | 1500 RPM | 3500 RPM |
| Engine Bore Size | 77.8 mm | 75 mm |
| Engine Stroke Size | 95.3 mm | 69 mm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1020 kg | 965 kg |
| Vehicle Length | 3690 mm | 4270 mm |
| Vehicle Width | 1480 mm | 1640 mm |
| Vehicle Height | 1510 mm | 1310 mm |
| Wheelbase Size | 2440 mm | 2440 mm |
