1948 Allard J1 vs. 1991 Opel Astra
To start off, 1991 Opel Astra is newer by 43 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, 1991 Opel Astra (115 HP @ 5200 RPM) has 30 more horse power than 1948 Allard J1. (85 HP @ 3800 RPM) In normal driving conditions, 1991 Opel Astra should accelerate faster than 1948 Allard J1. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Astra weights approximately 30 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.
Because 1948 Allard J1 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1948 Allard J1. However, in wet, icy, snow, or gravel driving conditions, 1991 Opel Astra, being front wheel drive (FWD), will offer much better control with better grip. 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 35 more torque (in Nm) than 1991 Opel Astra. (169 Nm @ 2600 RPM). This means 1948 Allard J1 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1948 Allard J1 | 1991 Opel Astra | |
| Make | Allard | Opel |
| Model | J1 | Astra |
| Year Released | 1948 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3622 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 115 HP |
| Engine RPM | 3800 RPM | 5200 RPM |
| Torque | 204 Nm | 169 Nm |
| Torque RPM | 1500 RPM | 2600 RPM |
| Engine Bore Size | 77.8 mm | 86 mm |
| Engine Stroke Size | 95.3 mm | 86 mm |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1020 kg | 1050 kg |
| Vehicle Length | 3690 mm | 4090 mm |
| Vehicle Width | 1480 mm | 1690 mm |
| Vehicle Height | 1510 mm | 1420 mm |
| Wheelbase Size | 2440 mm | 2650 mm |
