1947 Allard J1 vs. 1958 Aston Martin DB4
To start off, 1958 Aston Martin DB4 is newer by 11 year(s). Which means there will be less support and parts availability for 1947 Allard J1. In addition, the cost of maintenance, including insurance, on 1947 Allard J1 would be higher. At 3,668 cc (6 cylinders), 1958 Aston Martin DB4 is equipped with a bigger engine. In terms of performance, 1958 Aston Martin DB4 (240 HP @ 5500 RPM) has 155 more horse power than 1947 Allard J1. (85 HP @ 3800 RPM) In normal driving conditions, 1958 Aston Martin DB4 should accelerate faster than 1947 Allard J1. With that said, vehicle weight also plays an important factor in acceleration. 1958 Aston Martin DB4 weights approximately 288 kg more than 1947 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, 1958 Aston Martin DB4 (325 Nm @ 4250 RPM) has 122 more torque (in Nm) than 1947 Allard J1. (203 Nm @ 1500 RPM). This means 1958 Aston Martin DB4 will have an easier job in driving up hills or pulling heavy equipment than 1947 Allard J1.
Compare all specifications:
| 1947 Allard J1 | 1958 Aston Martin DB4 | |
| Make | Allard | Aston Martin |
| Model | J1 | DB4 |
| Year Released | 1947 | 1958 |
| Engine Position | Front | Front |
| Engine Size | 3620 cc | 3668 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 85 HP | 240 HP |
| Engine RPM | 3800 RPM | 5500 RPM |
| Torque | 203 Nm | 325 Nm |
| Torque RPM | 1500 RPM | 4250 RPM |
| Engine Bore Size | 77.8 mm | 92 mm |
| Engine Stroke Size | 95.3 mm | 92 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1020 kg | 1308 kg |
| Vehicle Length | 3690 mm | 4490 mm |
| Vehicle Width | 1480 mm | 1680 mm |
| Vehicle Height | 1510 mm | 1330 mm |
| Wheelbase Size | 2440 mm | 2500 mm |
