1970 Pontiac GTO vs. 1981 Porsche 911
To start off, 1981 Porsche 911 is newer by 11 year(s). Which means there will be less support and parts availability for 1970 Pontiac GTO. In addition, the cost of maintenance, including insurance, on 1970 Pontiac GTO would be higher. At 7,460 cc (8 cylinders), 1970 Pontiac GTO is equipped with a bigger engine. In terms of performance, 1970 Pontiac GTO (360 HP @ 4300 RPM) has 128 more horse power than 1981 Porsche 911. (232 HP @ 5900 RPM). In normal driving conditions, 1970 Pontiac GTO should accelerate faster than 1981 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 1970 Pontiac GTO weights approximately 455 kg more than 1981 Porsche 911. 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, 1970 Pontiac GTO (678 Nm @ 2700 RPM) has 394 more torque (in Nm) than 1981 Porsche 911. (284 Nm @ 4800 RPM). This means 1970 Pontiac GTO will have an easier job in driving up hills or pulling heavy equipment than 1981 Porsche 911.
Compare all specifications:
| 1970 Pontiac GTO | 1981 Porsche 911 | |
| Make | Pontiac | Porsche |
| Model | GTO | 911 |
| Year Released | 1970 | 1981 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 7460 cc | 3164 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 360 HP | 232 HP |
| Engine RPM | 4300 RPM | 5900 RPM |
| Torque | 678 Nm | 284 Nm |
| Torque RPM | 2700 RPM | 4800 RPM |
| Engine Bore Size | 105.4 mm | 95 mm |
| Engine Stroke Size | 106.9 mm | 74.4 mm |
| Engine Compression Ratio | 10.3:1 | 10.3:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1715 kg | 1260 kg |
| Vehicle Length | 5160 mm | 4300 mm |
| Vehicle Width | 1950 mm | 1660 mm |
| Vehicle Height | 1340 mm | 1330 mm |
| Wheelbase Size | 2850 mm | 2270 mm |
| Fuel Tank Capacity | 67 L | 80 L |
