1966 Aston Martin DB4 vs. 1957 Bristol 405
To start off, 1966 Aston Martin DB4 is newer by 9 year(s). Which means there will be less support and parts availability for 1957 Bristol 405. In addition, the cost of maintenance, including insurance, on 1957 Bristol 405 would be higher. At 3,670 cc (6 cylinders), 1966 Aston Martin DB4 is equipped with a bigger engine. In terms of performance, 1966 Aston Martin DB4 (256 HP @ 5500 RPM) has 156 more horse power than 1957 Bristol 405. (100 HP @ 5000 RPM). In normal driving conditions, 1966 Aston Martin DB4 should accelerate faster than 1957 Bristol 405. With that said, vehicle weight also plays an important factor in acceleration. 1966 Aston Martin DB4 weights approximately 110 kg more than 1957 Bristol 405. 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, 1966 Aston Martin DB4 (360 Nm @ 5000 RPM) has 208 more torque (in Nm) than 1957 Bristol 405. (152 Nm @ 3750 RPM). This means 1966 Aston Martin DB4 will have an easier job in driving up hills or pulling heavy equipment than 1957 Bristol 405.
Compare all specifications:
| 1966 Aston Martin DB4 | 1957 Bristol 405 | |
| Make | Aston Martin | Bristol |
| Model | DB4 | 405 |
| Year Released | 1966 | 1957 |
| Engine Position | Front | Front |
| Engine Size | 3670 cc | 1971 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 256 HP | 100 HP |
| Engine RPM | 5500 RPM | 5000 RPM |
| Torque | 360 Nm | 152 Nm |
| Torque RPM | 5000 RPM | 3750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1350 kg | 1240 kg |
| Vehicle Length | 4630 mm | 4820 mm |
| Vehicle Width | 1680 mm | 1730 mm |
| Vehicle Height | 1330 mm | 1470 mm |
| Wheelbase Size | 2500 mm | 2900 mm |
| Fuel Tank Capacity | 86 L | 72 L |
