1965 Bristol 409 vs. 2004 Porsche 911
To start off, 2004 Porsche 911 is newer by 39 year(s). Which means there will be less support and parts availability for 1965 Bristol 409. In addition, the cost of maintenance, including insurance, on 1965 Bristol 409 would be higher. At 5,211 cc (8 cylinders), 1965 Bristol 409 is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (415 HP @ 6000 RPM) has 200 more horse power than 1965 Bristol 409. (215 HP @ 4400 RPM) In normal driving conditions, 2004 Porsche 911 should accelerate faster than 1965 Bristol 409. With that said, vehicle weight also plays an important factor in acceleration. 2004 Porsche 911 weights approximately 135 kg more than 1965 Bristol 409. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1965 Bristol 409. In wet, icy, snow, or gravel driving conditions, 2004 Porsche 911 will offer significantly more control. 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, 2004 Porsche 911 (563 Nm @ 2700 RPM) has 100 more torque (in Nm) than 1965 Bristol 409. (463 Nm @ 2800 RPM). This means 2004 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1965 Bristol 409.
Compare all specifications:
| 1965 Bristol 409 | 2004 Porsche 911 | |
| Make | Bristol | Porsche |
| Model | 409 | 911 |
| Year Released | 1965 | 2004 |
| Engine Position | Front | Rear |
| Engine Size | 5211 cc | 3589 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 215 HP | 415 HP |
| Engine RPM | 4400 RPM | 6000 RPM |
| Torque | 463 Nm | 563 Nm |
| Torque RPM | 2800 RPM | 2700 RPM |
| Engine Bore Size | 98.6 mm | 100 mm |
| Engine Stroke Size | 84.1 mm | 76 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1600 kg | 1735 kg |
| Vehicle Length | 4920 mm | 4440 mm |
| Vehicle Width | 1740 mm | 1840 mm |
| Vehicle Height | 1510 mm | 1300 mm |
| Wheelbase Size | 2910 mm | 2360 mm |
| Fuel Tank Capacity | 81 L | 64 L |
