1991 Holden Commodore vs. 1997 Porsche 911
To start off, 1997 Porsche 911 is newer by 6 year(s). Which means there will be less support and parts availability for 1991 Holden Commodore. In addition, the cost of maintenance, including insurance, on 1991 Holden Commodore would be higher. At 4,987 cc (8 cylinders), 1991 Holden Commodore is equipped with a bigger engine. In terms of performance, 1997 Porsche 911 (424 HP @ 5750 RPM) has 203 more horse power than 1991 Holden Commodore. (221 HP @ 4400 RPM) In normal driving conditions, 1997 Porsche 911 should accelerate faster than 1991 Holden Commodore. With that said, vehicle weight also plays an important factor in acceleration. 1991 Holden Commodore weights approximately 170 kg more than 1997 Porsche 911.
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, 1997 Porsche 911 (530 Nm @ 4500 RPM) has 145 more torque (in Nm) than 1991 Holden Commodore. (385 Nm @ 3600 RPM). This means 1997 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1991 Holden Commodore.
Compare all specifications:
| 1991 Holden Commodore | 1997 Porsche 911 | |
| Make | Holden | Porsche |
| Model | Commodore | 911 |
| Year Released | 1991 | 1997 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4987 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 221 HP | 424 HP |
| Engine RPM | 4400 RPM | 5750 RPM |
| Torque | 385 Nm | 530 Nm |
| Torque RPM | 3600 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1465 kg | 1295 kg |
| Vehicle Length | 4900 mm | 4270 mm |
| Vehicle Width | 1820 mm | 1740 mm |
| Vehicle Height | 1410 mm | 1320 mm |
| Wheelbase Size | 2740 mm | 2280 mm |
