1948 Allard J1 vs. 1961 Triumph Vitesse
To start off, 1961 Triumph Vitesse is newer by 13 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 3,915 cc (8 cylinders), 1948 Allard J1 is equipped with a bigger engine. In terms of performance, 1948 Allard J1 (100 HP @ 3800 RPM) has 30 more horse power than 1961 Triumph Vitesse. (70 HP @ 5000 RPM). In normal driving conditions, 1948 Allard J1 should accelerate faster than 1961 Triumph Vitesse. With that said, vehicle weight also plays an important factor in acceleration. 1948 Allard J1 weights approximately 260 kg more than 1961 Triumph Vitesse. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 180 more torque (in Nm) than 1961 Triumph Vitesse. (125 Nm @ 2800 RPM). This means 1948 Allard J1 will have an easier job in driving up hills or pulling heavy equipment than 1961 Triumph Vitesse.
Compare all specifications:
| 1948 Allard J1 | 1961 Triumph Vitesse | |
| Make | Allard | Triumph |
| Model | J1 | Vitesse |
| Year Released | 1948 | 1961 |
| Engine Position | Front | Front |
| Engine Size | 3915 cc | 1594 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 100 HP | 70 HP |
| Engine RPM | 3800 RPM | 5000 RPM |
| Torque | 305 Nm | 125 Nm |
| Torque RPM | 2500 RPM | 2800 RPM |
| Engine Bore Size | 81 mm | 66.8 mm |
| Engine Stroke Size | 95.3 mm | 76 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1140 kg | 880 kg |
| Vehicle Length | 3690 mm | 3890 mm |
| Vehicle Width | 1480 mm | 1530 mm |
| Vehicle Height | 1510 mm | 1340 mm |
| Wheelbase Size | 2440 mm | 2270 mm |
| Fuel Tank Capacity | 113 L | 29 L |
