2007 Cadillac STS vs. 2009 GMC Envoy
To start off, 2009 GMC Envoy 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 4,565 cc (8 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (321 HP @ 6400 RPM) has 36 more horse power than 2009 GMC Envoy. (285 HP @ 6000 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2009 GMC Envoy. With that said, vehicle weight also plays an important factor in acceleration. 2009 GMC Envoy weights approximately 800 kg more than 2007 Cadillac STS.
Because 2009 GMC Envoy is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 GMC Envoy. However, in wet, icy, snow, or gravel driving conditions, 2007 Cadillac STS, being front wheel drive (FWD), will offer much better control with better grip. 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 53 more torque (in Nm) than 2009 GMC Envoy. (374 Nm @ 4600 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2009 GMC Envoy.
Compare all specifications:
| 2007 Cadillac STS | 2009 GMC Envoy | |
| Make | Cadillac | GMC |
| Model | STS | Envoy |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 4161 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 321 HP | 285 HP |
| Engine RPM | 6400 RPM | 6000 RPM |
| Torque | 427 Nm | 374 Nm |
| Torque RPM | 4400 RPM | 4600 RPM |
| Engine Compression Ratio | 10.5:1 | 9.2:1 |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1635 kg | 2435 kg |
| Vehicle Length | 4990 mm | 4870 mm |
| Vehicle Width | 1850 mm | 1900 mm |
| Vehicle Height | 1470 mm | 1830 mm |
| Wheelbase Size | 2960 mm | 2880 mm |
| Fuel Consumption | 8.7 L/100km | 11.8 L/100km |
| Fuel Consumption City | 13.8 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 64 L | 83 L |
