2005 Porsche 911 vs. 1991 Holden Commodore
To start off, 2005 Porsche 911 is newer by 14 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 3,791 cc (6 cylinders), 1991 Holden Commodore is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (316 HP @ 6800 RPM) has 144 more horse power than 1991 Holden Commodore. (172 HP @ 4800 RPM). In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1991 Holden Commodore. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 155 kg more than 1991 Holden Commodore. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Holden Commodore. In wet, icy, snow, or gravel driving conditions, 2005 Porsche 911 will offer significantly more control. 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, 2005 Porsche 911 (370 Nm @ 4250 RPM) has 82 more torque (in Nm) than 1991 Holden Commodore. (288 Nm @ 3200 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1991 Holden Commodore.
Compare all specifications:
| 2005 Porsche 911 | 1991 Holden Commodore | |
| Make | Porsche | Holden |
| Model | 911 | Commodore |
| Year Released | 2005 | 1991 |
| Body Type | Coupe | Sedan |
| Engine Position | Rear | Front |
| Engine Size | 3596 cc | 3791 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | boxer | in-line |
| Horse Power | 316 HP | 172 HP |
| Engine RPM | 6800 RPM | 4800 RPM |
| Torque | 370 Nm | 288 Nm |
| Torque RPM | 4250 RPM | 3200 RPM |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1550 kg | 1395 kg |
| Vehicle Length | 4440 mm | 4900 mm |
| Vehicle Width | 1840 mm | 1820 mm |
| Vehicle Height | 1300 mm | 1410 mm |
| Wheelbase Size | 2360 mm | 2740 mm |
