1958 Aston Martin DB3 vs. 1958 Aston Martin DB4
To start off, both 1958 Aston Martin DB3 and 1958 Aston Martin DB4 were released in the same year (1958). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,670 cc (6 cylinders), 1958 Aston Martin DB4 is equipped with a bigger engine. In terms of performance, 1958 Aston Martin DB4 (257 HP @ 5500 RPM) has 104 more horse power than 1958 Aston Martin DB3. (153 HP @ 5500 RPM) In normal driving conditions, 1958 Aston Martin DB4 should accelerate faster than 1958 Aston Martin DB3. With that said, vehicle weight also plays an important factor in acceleration. 1958 Aston Martin DB4 weights approximately 410 kg more than 1958 Aston Martin DB3. 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 (360 Nm @ 5000 RPM) has 165 more torque (in Nm) than 1958 Aston Martin DB3. (195 Nm @ 3000 RPM). This means 1958 Aston Martin DB4 will have an easier job in driving up hills or pulling heavy equipment than 1958 Aston Martin DB3.
Compare all specifications:
| 1958 Aston Martin DB3 | 1958 Aston Martin DB4 | |
| Make | Aston Martin | Aston Martin |
| Model | DB3 | DB4 |
| Year Released | 1958 | 1958 |
| Engine Position | Front | Front |
| Engine Size | 2922 cc | 3670 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 153 HP | 257 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 195 Nm | 360 Nm |
| Torque RPM | 3000 RPM | 5000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 940 kg | 1350 kg |
| Vehicle Length | 3920 mm | 4490 mm |
| Vehicle Width | 1510 mm | 1690 mm |
| Vehicle Height | 1050 mm | 1340 mm |
| Wheelbase Size | 2220 mm | 2500 mm |
| Fuel Tank Capacity | 70 L | 86 L |
