1976 Bristol 603 vs. 2013 Porsche 911
To start off, 2013 Porsche 911 is newer by 37 year(s). Which means there will be less support and parts availability for 1976 Bristol 603. In addition, the cost of maintenance, including insurance, on 1976 Bristol 603 would be higher. At 5,210 cc (8 cylinders), 1976 Bristol 603 is equipped with a bigger engine. In terms of performance, 2013 Porsche 911 (395 HP @ 7400 RPM) has 250 more horse power than 1976 Bristol 603. (145 HP @ 4000 RPM) In normal driving conditions, 2013 Porsche 911 should accelerate faster than 1976 Bristol 603. With that said, vehicle weight also plays an important factor in acceleration. 1976 Bristol 603 weights approximately 320 kg more than 2013 Porsche 911.
Because 1976 Bristol 603 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1976 Bristol 603. However, in wet, icy, snow, or gravel driving conditions, 2013 Porsche 911, being front wheel drive (FWD), will offer much better control with better grip. 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, 2013 Porsche 911 (441 Nm @ 5600 RPM) has 108 more torque (in Nm) than 1976 Bristol 603. (333 Nm @ 1600 RPM). This means 2013 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1976 Bristol 603.
Compare all specifications:
| 1976 Bristol 603 | 2013 Porsche 911 | |
| Make | Bristol | Porsche |
| Model | 603 | 911 |
| Year Released | 1976 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 5210 cc | 3800 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 145 HP | 395 HP |
| Engine RPM | 4000 RPM | 7400 RPM |
| Torque | 333 Nm | 441 Nm |
| Torque RPM | 1600 RPM | 5600 RPM |
| Engine Compression Ratio | 8.0:1 | 12.5 : 1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 225 km/hour | 301 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1785 kg | 1465 kg |
| Vehicle Length | 4920 mm | 4491 mm |
| Vehicle Width | 1780 mm | 1978 mm |
| Vehicle Height | 1450 mm | 1292 mm |
| Wheelbase Size | 2910 mm | 2450 mm |
