2009 Cadillac STS vs. 1991 Holden Commodore
To start off, 2009 Cadillac STS is newer by 18 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, 2009 Cadillac STS (302 HP @ 6300 RPM) has 134 more horse power than 1991 Holden Commodore. (168 HP @ 4800 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 1991 Holden Commodore. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 325 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.
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, 2009 Cadillac STS (369 Nm @ 5200 RPM) has 76 more torque (in Nm) than 1991 Holden Commodore. (293 Nm @ 3200 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1991 Holden Commodore.
Compare all specifications:
| 2009 Cadillac STS | 1991 Holden Commodore | |
| Make | Cadillac | Holden |
| Model | STS | Commodore |
| Year Released | 2009 | 1991 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3599 cc | 3791 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 302 HP | 168 HP |
| Engine RPM | 6300 RPM | 4800 RPM |
| Torque | 369 Nm | 293 Nm |
| Torque RPM | 5200 RPM | 3200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1635 kg | 1310 kg |
| Vehicle Length | 5000 mm | 4860 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1410 mm |
| Wheelbase Size | 2960 mm | 2740 mm |
