1951 Allard J2 vs. 1974 Opel Kadett
To start off, 1974 Opel Kadett is newer by 23 year(s). Which means there will be less support and parts availability for 1951 Allard J2. In addition, the cost of maintenance, including insurance, on 1951 Allard J2 would be higher. At 5,415 cc (8 cylinders), 1951 Allard J2 is equipped with a bigger engine. In terms of performance, 1951 Allard J2 (158 HP @ 3800 RPM) has 111 more horse power than 1974 Opel Kadett. (47 HP @ 5600 RPM). In normal driving conditions, 1951 Allard J2 should accelerate faster than 1974 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1951 Allard J2 weights approximately 190 kg more than 1974 Opel Kadett. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1951 Allard J2 | 1974 Opel Kadett | |
| Make | Allard | Opel |
| Model | J2 | Kadett |
| Year Released | 1951 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 5415 cc | 991 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 158 HP | 47 HP |
| Engine RPM | 3800 RPM | 5600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 980 kg | 790 kg |
| Vehicle Length | 3780 mm | 3900 mm |
| Vehicle Width | 1730 mm | 1590 mm |
| Vehicle Height | 1300 mm | 1320 mm |
| Wheelbase Size | 2550 mm | 2640 mm |
| Fuel Tank Capacity | 38 L | 43 L |
