2007 Cadillac SRX vs. 2009 Cadillac STS
To start off, 2009 Cadillac STS is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Cadillac SRX. In addition, the cost of maintenance, including insurance, on 2007 Cadillac SRX would be higher. At 3,600 cc (6 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (302 HP @ 6300 RPM) has 48 more horse power than 2007 Cadillac SRX. (254 HP @ 6500 RPM) In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2007 Cadillac SRX. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac SRX weights approximately 511 kg more than 2009 Cadillac STS.
Because 2007 Cadillac SRX is four wheel drive (4WD), it will have significant more traction and grip than 2009 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2007 Cadillac SRX 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 Cadillac STS (369 Nm @ 5200 RPM) has 30 more torque (in Nm) than 2007 Cadillac SRX. (339 Nm @ 2800 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2007 Cadillac SRX.
Compare all specifications:
| 2007 Cadillac SRX | 2009 Cadillac STS | |
| Make | Cadillac | Cadillac |
| Model | SRX | STS |
| Year Released | 2007 | 2009 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3564 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 254 HP | 302 HP |
| Engine RPM | 6500 RPM | 6300 RPM |
| Torque | 339 Nm | 369 Nm |
| Torque RPM | 2800 RPM | 5200 RPM |
| Engine Compression Ratio | 10.2:1 | 3.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2071 kg | 1560 kg |
| Vehicle Length | 4960 mm | 5000 mm |
| Vehicle Width | 1850 mm | 1850 mm |
| Vehicle Height | 1730 mm | 1470 mm |
| Wheelbase Size | 2960 mm | 2960 mm |
| Fuel Consumption Overall | 14.7 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 76 L | 64 L |
