1951 Allard J1 vs. 2007 Opel Vivaro
To start off, 2007 Opel Vivaro is newer by 56 year(s). Which means there will be less support and parts availability for 1951 Allard J1. In addition, the cost of maintenance, including insurance, on 1951 Allard J1 would be higher. At 3,917 cc (8 cylinders), 1951 Allard J1 is equipped with a bigger engine. In terms of performance, both vehicles can yield 100 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Vivaro weights approximately 531 kg more than 1951 Allard J1.
Because 1951 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 1951 Allard J1. However, in wet, icy, snow, or gravel driving conditions, 2007 Opel Vivaro, 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, 1951 Allard J1 (305 Nm @ 2500 RPM) has 65 more torque (in Nm) than 2007 Opel Vivaro. (240 Nm @ 2000 RPM). This means 1951 Allard J1 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Vivaro.
Compare all specifications:
| 1951 Allard J1 | 2007 Opel Vivaro | |
| Make | Allard | Opel |
| Model | J1 | Vivaro |
| Year Released | 1951 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 3917 cc | 1870 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 100 HP | 100 HP |
| Engine RPM | 3800 RPM | 3500 RPM |
| Torque | 305 Nm | 240 Nm |
| Torque RPM | 2500 RPM | 2000 RPM |
| Engine Bore Size | 81 mm | 80 mm |
| Engine Stroke Size | 95.3 mm | 93 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1146 kg | 1677 kg |
| Vehicle Length | 3690 mm | 4790 mm |
| Vehicle Width | 1480 mm | 1970 mm |
| Vehicle Height | 1510 mm | 1910 mm |
| Wheelbase Size | 2440 mm | 3100 mm |
| Fuel Tank Capacity | 113 L | 90 L |
