2007 Chevrolet HHR vs. 1991 Holden Commodore
To start off, 2007 Chevrolet HHR is newer by 16 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, 1991 Holden Commodore (168 HP @ 4800 RPM) has 19 more horse power than 2007 Chevrolet HHR. (149 HP @ 5600 RPM) In normal driving conditions, 1991 Holden Commodore should accelerate faster than 2007 Chevrolet HHR.
Because 1991 Holden Commodore 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 1991 Holden Commodore. However, in wet, icy, snow, or gravel driving conditions, 2007 Chevrolet HHR, 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, 1991 Holden Commodore (293 Nm @ 3200 RPM) has 87 more torque (in Nm) than 2007 Chevrolet HHR. (206 Nm @ 4200 RPM). This means 1991 Holden Commodore will have an easier job in driving up hills or pulling heavy equipment than 2007 Chevrolet HHR.
Compare all specifications:
| 2007 Chevrolet HHR | 1991 Holden Commodore | |
| Make | Chevrolet | Holden |
| Model | HHR | Commodore |
| Year Released | 2007 | 1991 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2201 cc | 3791 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 149 HP | 168 HP |
| Engine RPM | 5600 RPM | 4800 RPM |
| Torque | 206 Nm | 293 Nm |
| Torque RPM | 4200 RPM | 3200 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4480 mm | 4860 mm |
| Vehicle Width | 1760 mm | 1800 mm |
| Vehicle Height | 1610 mm | 1410 mm |
| Wheelbase Size | 2640 mm | 2740 mm |
