2007 Cadillac STS vs. 2006 Cadillac SRX
To start off, 2007 Cadillac STS is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Cadillac SRX. In addition, the cost of maintenance, including insurance, on 2006 Cadillac SRX would be higher. At 4,565 cc (8 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (320 HP @ 6400 RPM) has 64 more horse power than 2006 Cadillac SRX. (256 HP @ 6500 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2006 Cadillac SRX. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac SRX weights approximately 251 kg more than 2007 Cadillac STS.
Because 2006 Cadillac SRX is four wheel drive (4WD), it will have significant more traction and grip than 2007 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2006 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, 2007 Cadillac STS (427 Nm @ 4400 RPM) has 85 more torque (in Nm) than 2006 Cadillac SRX. (342 Nm @ 2800 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac SRX.
Compare all specifications:
| 2007 Cadillac STS | 2006 Cadillac SRX | |
| Make | Cadillac | Cadillac |
| Model | STS | SRX |
| Year Released | 2007 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 3562 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 256 HP |
| Engine RPM | 6400 RPM | 6500 RPM |
| Torque | 427 Nm | 342 Nm |
| Torque RPM | 4400 RPM | 2800 RPM |
| Engine Bore Size | 93 mm | 94 mm |
| Engine Stroke Size | 84 mm | 85 mm |
| Engine Compression Ratio | 10.5:1 | 10.2:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1638 kg | 1889 kg |
| Vehicle Length | 4990 mm | 4960 mm |
| Vehicle Width | 1850 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1730 mm |
| Wheelbase Size | 2960 mm | 2960 mm |
| Fuel Consumption Overall | 11.8 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 64 L | 76 L |
