2006 Cadillac STS vs. 2009 Chevrolet Express
To start off, 2009 Chevrolet Express is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2006 Cadillac STS would be higher. At 4,800 cc (8 cylinders), 2009 Chevrolet Express is equipped with a bigger engine. In terms of performance, 2009 Chevrolet Express (279 HP @ 5200 RPM) has 26 more horse power than 2006 Cadillac STS. (253 HP @ 6500 RPM) In normal driving conditions, 2009 Chevrolet Express should accelerate faster than 2006 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 654 kg more than 2009 Chevrolet Express.
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 Chevrolet Express (399 Nm @ 4500 RPM) has 57 more torque (in Nm) than 2006 Cadillac STS. (342 Nm @ 3200 RPM). This means 2009 Chevrolet Express will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac STS.
Compare all specifications:
| 2006 Cadillac STS | 2009 Chevrolet Express | |
| Make | Cadillac | Chevrolet |
| Model | STS | Express |
| Year Released | 2006 | 2009 |
| Body Type | Sedan | Van |
| Engine Position | Front | Front |
| Engine Size | 3563 cc | 4800 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 253 HP | 279 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Torque | 342 Nm | 399 Nm |
| Torque RPM | 3200 RPM | 4500 RPM |
| Engine Compression Ratio | 10.2:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1782 kg | 1128 kg |
| Vehicle Length | 4990 mm | 5700 mm |
| Vehicle Width | 1850 mm | 2020 mm |
| Vehicle Height | 1470 mm | 2080 mm |
| Wheelbase Size | 2960 mm | 3440 mm |
| Fuel Consumption Overall | 12.4 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 66 L | 117 L |
