1948 Allard J1 vs. 1971 Opel Kadett
To start off, 1971 Opel Kadett is newer by 23 year(s). Which means there will be less support and parts availability for 1948 Allard J1. In addition, the cost of maintenance, including insurance, on 1948 Allard J1 would be higher. At 3,915 cc (8 cylinders), 1948 Allard J1 is equipped with a bigger engine. In terms of performance, 1948 Allard J1 (100 HP @ 3800 RPM) has 41 more horse power than 1971 Opel Kadett. (59 HP @ 5400 RPM). In normal driving conditions, 1948 Allard J1 should accelerate faster than 1971 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1948 Allard J1 weights approximately 380 kg more than 1971 Opel Kadett. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1948 Allard J1 (305 Nm @ 2500 RPM) has 217 more torque (in Nm) than 1971 Opel Kadett. (88 Nm @ 3400 RPM). This means 1948 Allard J1 will have an easier job in driving up hills or pulling heavy equipment than 1971 Opel Kadett.
Compare all specifications:
| 1948 Allard J1 | 1971 Opel Kadett | |
| Make | Allard | Opel |
| Model | J1 | Kadett |
| Year Released | 1948 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 3915 cc | 1196 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 59 HP |
| Engine RPM | 3800 RPM | 5400 RPM |
| Torque | 305 Nm | 88 Nm |
| Torque RPM | 2500 RPM | 3400 RPM |
| Engine Bore Size | 81 mm | 79 mm |
| Engine Stroke Size | 95.3 mm | 61 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1140 kg | 760 kg |
| Vehicle Length | 3690 mm | 4190 mm |
| Vehicle Width | 1480 mm | 1590 mm |
| Vehicle Height | 1510 mm | 1420 mm |
| Wheelbase Size | 2440 mm | 2430 mm |
| Fuel Tank Capacity | 113 L | 40 L |
