1969 Pontiac GTO vs. 1991 Porsche 928
To start off, 1991 Porsche 928 is newer by 22 year(s). Which means there will be less support and parts availability for 1969 Pontiac GTO. In addition, the cost of maintenance, including insurance, on 1969 Pontiac GTO would be higher. At 6,549 cc (8 cylinders), 1969 Pontiac GTO is equipped with a bigger engine. In terms of performance, 1969 Pontiac GTO (365 HP @ 5500 RPM) has 59 more horse power than 1991 Porsche 928. (306 HP @ 5900 RPM). In normal driving conditions, 1969 Pontiac GTO should accelerate faster than 1991 Porsche 928. With that said, vehicle weight also plays an important factor in acceleration. 1991 Porsche 928 weights approximately 130 kg more than 1969 Pontiac GTO.
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, 1969 Pontiac GTO (603 Nm @ 3900 RPM) has 195 more torque (in Nm) than 1991 Porsche 928. (408 Nm @ 4100 RPM). This means 1969 Pontiac GTO will have an easier job in driving up hills or pulling heavy equipment than 1991 Porsche 928.
Compare all specifications:
| 1969 Pontiac GTO | 1991 Porsche 928 | |
| Make | Pontiac | Porsche |
| Model | GTO | 928 |
| Year Released | 1969 | 1991 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 6549 cc | 4663 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 365 HP | 306 HP |
| Engine RPM | 5500 RPM | 5900 RPM |
| Torque | 603 Nm | 408 Nm |
| Torque RPM | 3900 RPM | 4100 RPM |
| Engine Bore Size | 104.6 mm | 97 mm |
| Engine Stroke Size | 95.3 mm | 78.9 mm |
| Engine Compression Ratio | 10.8:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1400 kg | 1530 kg |
| Vehicle Length | 5140 mm | 4530 mm |
| Vehicle Width | 1910 mm | 2060 mm |
| Vehicle Height | 1330 mm | 1290 mm |
| Wheelbase Size | 2950 mm | 2510 mm |
| Fuel Tank Capacity | 69 L | 76 L |
