1961 Bristol 407 vs. 1971 Porsche 917
To start off, 1971 Porsche 917 is newer by 10 year(s). Which means there will be less support and parts availability for 1961 Bristol 407. In addition, the cost of maintenance, including insurance, on 1961 Bristol 407 would be higher. At 5,130 cc (8 cylinders), 1961 Bristol 407 is equipped with a bigger engine. In terms of performance, 1971 Porsche 917 (520 HP) has 305 more horse power than 1961 Bristol 407. (215 HP) In normal driving conditions, 1971 Porsche 917 should accelerate faster than 1961 Bristol 407. With that said, vehicle weight also plays an important factor in acceleration. 1961 Bristol 407 weights approximately 787 kg more than 1971 Porsche 917.
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, 1971 Porsche 917 (610 Nm) has 147 more torque (in Nm) than 1961 Bristol 407. (463 Nm). This means 1971 Porsche 917 will have an easier job in driving up hills or pulling heavy equipment than 1961 Bristol 407.
Compare all specifications:
| 1961 Bristol 407 | 1971 Porsche 917 | |
| Make | Bristol | Porsche |
| Model | 407 | 917 |
| Year Released | 1961 | 1971 |
| Engine Position | Front | Middle |
| Engine Size | 5130 cc | 4994 cc |
| Horse Power | 215 HP | 520 HP |
| Torque | 463 Nm | 610 Nm |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1585 kg | 798 kg |
