1948 Allard J1 vs. 1983 Opel Monza
To start off, 1983 Opel Monza is newer by 35 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 3,622 cc (8 cylinders), 1948 Allard J1 is equipped with a bigger engine. In terms of performance, 1983 Opel Monza (134 HP @ 5600 RPM) has 49 more horse power than 1948 Allard J1. (85 HP @ 3800 RPM) In normal driving conditions, 1983 Opel Monza should accelerate faster than 1948 Allard J1. With that said, vehicle weight also plays an important factor in acceleration. 1983 Opel Monza weights approximately 350 kg more than 1948 Allard J1. 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 (204 Nm @ 1500 RPM) has 15 more torque (in Nm) than 1983 Opel Monza. (189 Nm @ 4600 RPM). This means 1948 Allard J1 will have an easier job in driving up hills or pulling heavy equipment than 1983 Opel Monza.
Compare all specifications:
| 1948 Allard J1 | 1983 Opel Monza | |
| Make | Allard | Opel |
| Model | J1 | Monza |
| Year Released | 1948 | 1983 |
| Engine Position | Front | Front |
| Engine Size | 3622 cc | 2490 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 134 HP |
| Engine RPM | 3800 RPM | 5600 RPM |
| Torque | 204 Nm | 189 Nm |
| Torque RPM | 1500 RPM | 4600 RPM |
| Engine Bore Size | 77.8 mm | 87 mm |
| Engine Stroke Size | 95.3 mm | 69.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1020 kg | 1370 kg |
| Vehicle Length | 3690 mm | 4700 mm |
| Vehicle Width | 1480 mm | 1740 mm |
| Vehicle Height | 1510 mm | 1390 mm |
| Wheelbase Size | 2440 mm | 2670 mm |
