1948 Allard J1 vs. 1948 Triumph Roadster
To start off, both 1948 Allard J1 and 1948 Triumph Roadster were released in the same year (1948). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,915 cc (8 cylinders), 1948 Allard J1 is equipped with a bigger engine. In terms of performance, 1948 Allard J1 (100 HP @ 3800 RPM) has 33 more horse power than 1948 Triumph Roadster. (67 HP @ 4200 RPM). In normal driving conditions, 1948 Allard J1 should accelerate faster than 1948 Triumph Roadster. With that said, vehicle weight also plays an important factor in acceleration. 1948 Triumph Roadster weights approximately 30 kg more than 1948 Allard J1.
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 (305 Nm @ 2500 RPM) has 159 more torque (in Nm) than 1948 Triumph Roadster. (146 Nm @ 4000 RPM). This means 1948 Allard J1 will have an easier job in driving up hills or pulling heavy equipment than 1948 Triumph Roadster.
Compare all specifications:
| 1948 Allard J1 | 1948 Triumph Roadster | |
| Make | Allard | Triumph |
| Model | J1 | Roadster |
| Year Released | 1948 | 1948 |
| Engine Position | Front | Front |
| Engine Size | 3915 cc | 2088 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 100 HP | 67 HP |
| Engine RPM | 3800 RPM | 4200 RPM |
| Torque | 305 Nm | 146 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Engine Bore Size | 81 mm | 85 mm |
| Engine Stroke Size | 95.3 mm | 92 mm |
| Fuel Type | Gasoline | Gasoline |
| 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 | 1170 kg |
| Vehicle Length | 3690 mm | 4290 mm |
| Vehicle Width | 1480 mm | 1630 mm |
| Vehicle Height | 1510 mm | 1430 mm |
| Wheelbase Size | 2440 mm | 2550 mm |
