1949 Allard J1 vs. 1975 Porsche 911
To start off, 1975 Porsche 911 is newer by 26 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 3,622 cc (8 cylinders), 1949 Allard J1 is equipped with a bigger engine. In terms of performance, 1975 Porsche 911 (260 HP @ 5500 RPM) has 175 more horse power than 1949 Allard J1. (85 HP @ 3800 RPM) In normal driving conditions, 1975 Porsche 911 should accelerate faster than 1949 Allard J1. With that said, vehicle weight also plays an important factor in acceleration. 1975 Porsche 911 weights approximately 175 kg more than 1949 Allard J1. 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, 1975 Porsche 911 (343 Nm @ 4000 RPM) has 140 more torque (in Nm) than 1949 Allard J1. (203 Nm @ 1500 RPM). This means 1975 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1949 Allard J1.
Compare all specifications:
| 1949 Allard J1 | 1975 Porsche 911 | |
| Make | Allard | Porsche |
| Model | J1 | 911 |
| Year Released | 1949 | 1975 |
| Engine Position | Front | Rear |
| Engine Size | 3622 cc | 2994 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 85 HP | 260 HP |
| Engine RPM | 3800 RPM | 5500 RPM |
| Torque | 203 Nm | 343 Nm |
| Torque RPM | 1500 RPM | 4000 RPM |
| Engine Bore Size | 77.8 mm | 95.1 mm |
| Engine Stroke Size | 95.3 mm | 70.4 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1020 kg | 1195 kg |
| Vehicle Length | 3690 mm | 4300 mm |
| Vehicle Width | 1480 mm | 1780 mm |
| Vehicle Height | 1510 mm | 1330 mm |
| Wheelbase Size | 2440 mm | 2270 mm |
