1956 Aston Martin DB3 vs. 1951 Rover P4
To start off, 1956 Aston Martin DB3 is newer by 5 year(s). Which means there will be less support and parts availability for 1951 Rover P4. In addition, the cost of maintenance, including insurance, on 1951 Rover P4 would be higher. At 2,922 cc (6 cylinders), 1956 Aston Martin DB3 is equipped with a bigger engine. In terms of performance, 1956 Aston Martin DB3 (138 HP @ 5500 RPM) has 63 more horse power than 1951 Rover P4. (75 HP @ 4200 RPM). In normal driving conditions, 1956 Aston Martin DB3 should accelerate faster than 1951 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1951 Rover P4 weights approximately 385 kg more than 1956 Aston Martin DB3.
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, 1956 Aston Martin DB3 (243 Nm @ 5500 RPM) has 93 more torque (in Nm) than 1951 Rover P4. (150 Nm @ 2500 RPM). This means 1956 Aston Martin DB3 will have an easier job in driving up hills or pulling heavy equipment than 1951 Rover P4.
Compare all specifications:
| 1956 Aston Martin DB3 | 1951 Rover P4 | |
| Make | Aston Martin | Rover |
| Model | DB3 | P4 |
| Year Released | 1956 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 2922 cc | 2103 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 138 HP | 75 HP |
| Engine RPM | 5500 RPM | 4200 RPM |
| Torque | 243 Nm | 150 Nm |
| Torque RPM | 5500 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1005 kg | 1390 kg |
| Vehicle Width | 1510 mm | 1670 mm |
