2007 Cadillac STS vs. 2009 Infiniti QX56
To start off, 2009 Infiniti QX56 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 5,552 cc (8 cylinders), 2009 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2009 Infiniti QX56 (320 HP @ 5200 RPM) has 67 more horse power than 2007 Cadillac STS. (253 HP @ 6500 RPM) In normal driving conditions, 2009 Infiniti QX56 should accelerate faster than 2007 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 63 kg more than 2009 Infiniti QX56.
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 Infiniti QX56 (533 Nm @ 3400 RPM) has 191 more torque (in Nm) than 2007 Cadillac STS. (342 Nm @ 3200 RPM). This means 2009 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2007 Cadillac STS.
Compare all specifications:
2007 Cadillac STS | 2009 Infiniti QX56 | |
Make | Cadillac | Infiniti |
Model | STS | QX56 |
Year Released | 2007 | 2009 |
Body Type | Sedan | SUV |
Engine Position | Front | Front |
Engine Size | 3563 cc | 5552 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 253 HP | 320 HP |
Engine RPM | 6500 RPM | 5200 RPM |
Torque | 342 Nm | 533 Nm |
Torque RPM | 3200 RPM | 3400 RPM |
Engine Compression Ratio | 10.2:1 | 10.3:1 |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | Rear | Rear |
Transmission Type | Automatic | Automatic |
Number of Seats | 5 seats | 7 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1782 kg | 1719 kg |
Vehicle Length | 4990 mm | 5260 mm |
Vehicle Width | 1850 mm | 2010 mm |
Vehicle Height | 1470 mm | 1980 mm |
Wheelbase Size | 2960 mm | 3140 mm |
Fuel Consumption | 9.8 L/100km | 13.1 L/100km |
Fuel Consumption City | 13.8 L/100km | 19.6 L/100km |
Fuel Consumption Overall | 12.5 L/100km | 16.8 L/100km |
Fuel Tank Capacity | 66 L | 106 L |