1950 Allard J1 vs. 1991 Rover 100
To start off, 1991 Rover 100 is newer by 41 year(s). Which means there will be less support and parts availability for 1950 Allard J1. In addition, the cost of maintenance, including insurance, on 1950 Allard J1 would be higher. At 3,622 cc (8 cylinders), 1950 Allard J1 is equipped with a bigger engine. In terms of performance, 1991 Rover 100 (102 HP @ 6000 RPM) has 17 more horse power than 1950 Allard J1. (85 HP @ 3800 RPM) In normal driving conditions, 1991 Rover 100 should accelerate faster than 1950 Allard J1. With that said, vehicle weight also plays an important factor in acceleration. 1950 Allard J1 weights approximately 150 kg more than 1991 Rover 100.
Let's talk about torque, 1950 Allard J1 (203 Nm @ 1500 RPM) has 68 more torque (in Nm) than 1991 Rover 100. (135 Nm @ 5000 RPM). This means 1950 Allard J1 will have an easier job in driving up hills or pulling heavy equipment than 1991 Rover 100.
Compare all specifications:
| 1950 Allard J1 | 1991 Rover 100 | |
| Make | Allard | Rover |
| Model | J1 | 100 |
| Year Released | 1950 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3622 cc | 1396 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 102 HP |
| Engine RPM | 3800 RPM | 6000 RPM |
| Torque | 203 Nm | 135 Nm |
| Torque RPM | 1500 RPM | 5000 RPM |
| Engine Bore Size | 77.8 mm | 75 mm |
| Engine Stroke Size | 95.3 mm | 79 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1020 kg | 870 kg |
| Vehicle Length | 3690 mm | 3530 mm |
| Vehicle Width | 1480 mm | 1570 mm |
| Vehicle Height | 1510 mm | 1380 mm |
