1949 Allard J1 vs. 2004 Opel Speedster
To start off, 2004 Opel Speedster is newer by 55 year(s). Which means there will be less support and parts availability for 1949 Allard J1. In addition, the cost of maintenance, including insurance, on 1949 Allard J1 would be higher. At 3,917 cc (8 cylinders), 1949 Allard J1 is equipped with a bigger engine. In terms of performance, 2004 Opel Speedster (197 HP @ 5500 RPM) has 97 more horse power than 1949 Allard J1. (100 HP @ 3800 RPM) In normal driving conditions, 2004 Opel Speedster should accelerate faster than 1949 Allard J1. With that said, vehicle weight also plays an important factor in acceleration. 1949 Allard J1 weights approximately 135 kg more than 2004 Opel Speedster.
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, 1949 Allard J1 (306 Nm @ 2500 RPM) has 56 more torque (in Nm) than 2004 Opel Speedster. (250 Nm @ 1950 RPM). This means 1949 Allard J1 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Speedster.
Compare all specifications:
| 1949 Allard J1 | 2004 Opel Speedster | |
| Make | Allard | Opel |
| Model | J1 | Speedster |
| Year Released | 1949 | 2004 |
| Engine Position | Front | Middle |
| Engine Size | 3917 cc | 1910 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 100 HP | 197 HP |
| Engine RPM | 3800 RPM | 5500 RPM |
| Torque | 306 Nm | 250 Nm |
| Torque RPM | 2500 RPM | 1950 RPM |
| Engine Bore Size | 81 mm | 86 mm |
| Engine Stroke Size | 95.3 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1140 kg | 1005 kg |
| Vehicle Length | 3690 mm | 3790 mm |
| Vehicle Width | 1480 mm | 1710 mm |
| Vehicle Height | 1510 mm | 1120 mm |
| Wheelbase Size | 2440 mm | 2340 mm |
| Fuel Tank Capacity | 90 L | 36 L |
