2008 Cadillac STS vs. 2009 GMC Envoy
To start off, 2009 GMC Envoy is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2008 Cadillac STS would be higher. At 5,328 cc (8 cylinders), 2009 GMC Envoy is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (321 HP) has 21 more horse power than 2009 GMC Envoy. (300 HP). In normal driving conditions, 2008 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 623 kg more than 2008 Cadillac STS.
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 GMC Envoy (435 Nm @ 4000 RPM) has 8 more torque (in Nm) than 2008 Cadillac STS. (427 Nm @ 4400 RPM). This means 2009 GMC Envoy will have an easier job in driving up hills or pulling heavy equipment than 2008 Cadillac STS.
Compare all specifications:
| 2008 Cadillac STS | 2009 GMC Envoy | |
| Make | Cadillac | GMC |
| Model | STS | Envoy |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 5328 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 321 HP | 300 HP |
| Torque | 427 Nm | 435 Nm |
| Torque RPM | 4400 RPM | 4000 RPM |
| Engine Compression Ratio | 10.5:1 | 10.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1812 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 | 9.1 L/100km | 11.2 L/100km |
| Fuel Consumption City | 13.8 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 14.5 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 66 L | 83 L |
