1966 Aston Martin DB4 vs. 1964 Aston Martin DB5
To start off, 1966 Aston Martin DB4 is newer by 2 year(s). Which means there will be less support and parts availability for 1964 Aston Martin DB5. In addition, the cost of maintenance, including insurance, on 1964 Aston Martin DB5 would be higher. At 3,995 cc (6 cylinders), 1964 Aston Martin DB5 is equipped with a bigger engine. In terms of performance, 1964 Aston Martin DB5 (314 HP @ 5500 RPM) has 58 more horse power than 1966 Aston Martin DB4. (256 HP @ 5500 RPM) In normal driving conditions, 1964 Aston Martin DB5 should accelerate faster than 1966 Aston Martin DB4. With that said, vehicle weight also plays an important factor in acceleration. 1964 Aston Martin DB5 weights approximately 180 kg more than 1966 Aston Martin DB4. 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, 1964 Aston Martin DB5 (389 Nm @ 3850 RPM) has 29 more torque (in Nm) than 1966 Aston Martin DB4. (360 Nm @ 5000 RPM). This means 1964 Aston Martin DB5 will have an easier job in driving up hills or pulling heavy equipment than 1966 Aston Martin DB4.
Compare all specifications:
| 1966 Aston Martin DB4 | 1964 Aston Martin DB5 | |
| Make | Aston Martin | Aston Martin |
| Model | DB4 | DB5 |
| Year Released | 1966 | 1964 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3670 cc | 3995 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 256 HP | 314 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 360 Nm | 389 Nm |
| Torque RPM | 5000 RPM | 3850 RPM |
| Engine Compression Ratio | 9.4:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1350 kg | 1530 kg |
| Vehicle Length | 4630 mm | 4580 mm |
| Vehicle Width | 1680 mm | 1680 mm |
| Vehicle Height | 1330 mm | 1330 mm |
| Wheelbase Size | 2500 mm | 2500 mm |
| Fuel Tank Capacity | 86 L | 86 L |
