2005 Chevrolet Impala vs. 1991 Holden Commodore
To start off, 2005 Chevrolet Impala 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 4,987 cc (8 cylinders), 1991 Holden Commodore is equipped with a bigger engine. In terms of performance, 1991 Holden Commodore (221 HP @ 4400 RPM) has 40 more horse power than 2005 Chevrolet Impala. (181 HP @ 5600 RPM) In normal driving conditions, 1991 Holden Commodore should accelerate faster than 2005 Chevrolet Impala. With that said, vehicle weight also plays an important factor in acceleration. 2005 Chevrolet Impala weights approximately 72 kg more than 1991 Holden Commodore.
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, 2005 Chevrolet Impala, 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 (385 Nm) has 107 more torque (in Nm) than 2005 Chevrolet Impala. (278 Nm). This means 1991 Holden Commodore will have an easier job in driving up hills or pulling heavy equipment than 2005 Chevrolet Impala.
Compare all specifications:
| 2005 Chevrolet Impala | 1991 Holden Commodore | |
| Make | Chevrolet | Holden |
| Model | Impala | Commodore |
| Year Released | 2005 | 1991 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3343 cc | 4987 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 181 HP | 221 HP |
| Engine RPM | 5600 RPM | 4400 RPM |
| Torque | 278 Nm | 385 Nm |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1537 kg | 1465 kg |
| Vehicle Length | 5090 mm | 4900 mm |
| Vehicle Width | 1860 mm | 1820 mm |
| Vehicle Height | 1460 mm | 1410 mm |
| Wheelbase Size | 2880 mm | 2740 mm |
