2007 Cadillac STS vs. 2009 Chevrolet Express
To start off, 2009 Chevrolet Express is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2007 Cadillac STS would be higher. At 5,998 cc (8 cylinders), 2009 Chevrolet Express is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (322 HP @ 6400 RPM) has 3 more horse power than 2009 Chevrolet Express. (319 HP @ 4600 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2009 Chevrolet Express. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 560 kg more than 2009 Chevrolet Express. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2009 Chevrolet Express. In wet, icy, snow, or gravel driving conditions, 2007 Cadillac STS 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, 2009 Chevrolet Express (498 Nm @ 4400 RPM) has 71 more torque (in Nm) than 2007 Cadillac STS. (427 Nm @ 4400 RPM). This means 2009 Chevrolet Express will have an easier job in driving up hills or pulling heavy equipment than 2007 Cadillac STS.
Compare all specifications:
| 2007 Cadillac STS | 2009 Chevrolet Express | |
| Make | Cadillac | Chevrolet |
| Model | STS | Express |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Van |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 5998 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 322 HP | 319 HP |
| Engine RPM | 6400 RPM | 4600 RPM |
| Torque | 427 Nm | 498 Nm |
| Torque RPM | 4400 RPM | 4400 RPM |
| Engine Compression Ratio | 10.5:1 | 9.1:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 12 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1820 kg | 1260 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 | 11.8 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 66 L | 117 L |
