1948 Allard J1 vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 56 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, 2004 Opel Signum (173 HP @ 5500 RPM) has 88 more horse power than 1948 Allard J1. (85 HP @ 3800 RPM) In normal driving conditions, 2004 Opel Signum should accelerate faster than 1948 Allard J1. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 540 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, 2004 Opel Signum, 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, 2004 Opel Signum (265 Nm @ 2500 RPM) has 61 more torque (in Nm) than 1948 Allard J1. (204 Nm @ 1500 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1948 Allard J1.
Compare all specifications:
| 1948 Allard J1 | 2004 Opel Signum | |
| Make | Allard | Opel |
| Model | J1 | Signum |
| Year Released | 1948 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 3622 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 173 HP |
| Engine RPM | 3800 RPM | 5500 RPM |
| Torque | 204 Nm | 265 Nm |
| Torque RPM | 1500 RPM | 2500 RPM |
| Engine Bore Size | 77.8 mm | 86 mm |
| Engine Stroke Size | 95.3 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1020 kg | 1560 kg |
| Vehicle Length | 3690 mm | 4640 mm |
| Vehicle Width | 1480 mm | 1800 mm |
| Vehicle Height | 1510 mm | 1470 mm |
| Wheelbase Size | 2440 mm | 2840 mm |
