The Cadillac STS was a four-door luxury midsize sedan manufactured and sold by Cadillac 2005-2012. It was equipped with a six-speed automatic transmission with shift algorithm performance and driver shift control. The Cadillac STS was the successor to the Cadillac Seville. This car uses the STS name, standing for Seville Touring Sedan versions performance-oriented luxury since 1988. In 1992, Cadillac line divides the STS Seville SLS performance-oriented and less (Seville Luxury Sedan) lines cutting. The next year, the Cadillac STS then received new Cadillac Northstar system, including aluminum DOHC L37 Northstar V8. Throughout its existence, the Cadillac STSS sedan was highest price of Cadillac. Globally, the STS was Cadillac’s flagship model. In United States and Canada, the STS in his day was positioned between the mid CTS smaller size and larger full-size Cadillac DTS, but it was at a price above the last.
Cadillac STS First Generation (2005-2007)
The FWD Sevilla was retired in 2004, replaced by an entirely new model based on the rear-drive platform GM Sigma STS. All wheel drive is offered as an option, the first Cadillac sedan available with this drive system. The STS carries in suspension Magnetic Ride Control, which has bragging rights of being the ‘suspension fastest ever react, before it was ever used in new Corvettes and Ferraris. The Cadillac STS was assembled in Lansing Grand River plant GM’s Lansing, Michigan, along with the smaller sedan Cadillac CTS.
The Cadillac STS available engines were a 3.6 L High Feature LY7 V6 255 horsepower and 4.6 L Northstar LH2 V8 that puts out 320 horsepower and 315 lbs·ft in the STS. All engine models feature dual overhead cam with VVT. Remote start is standard. Although most 2005 and 2006 models of Cadillac STS offer a 255 hp (190 kW) engine, an option for a 4.6 L 320 hp (239 kW) engine was available in time through performance packages Cadillac. Since 2007, Cadillac has now packages and different car models, which no longer support this option. Wheelbase was 116.4 in, although the total length was shorter than the Sevilla. The interior space is larger than its predecessor. A heads-up display was optional, as well as a 300-watt Bose stereo with MP3 capability system. Base pricing started at US $40,995, and increased to US $ 52,240 for the V8 model of total traction.
The 2006 V-series STS-V was introduced in the 2005 Detroit Auto Show. It features a supercharged 4.4 L Northstar V8 version, along with updates handling. This engine is certified by SAE to produce 469 horsepower (350 kW) and 439 lb ft (595 N · m). In 2006, Cadillac introduced a stretched STS called the SLS. It is mounted by Shanghai GM, and in 2007 was presented at the International Motor Show Middle East in Dubai. The SLS adds 3.9 inches (99.1 mm) of legroom in the back seat and has a different interior with higher quality materials.
Cadillac STS Second Generation (2008-2012)
For 2008, the STS was updated. The changes include a new exterior, with details of similar style to the 2008 CTS, such as large, chrome grille and fender vents aggressive. The interior has been updated with new materials and a new steering wheel, although the overall interior design remains the same, despite previous rumors of a new similar to that of the SLS-Chinese domestic market. The standard powertrain was a 3.6 L direct injection V6 mated to a six-speed automatic transmission, which STS produces 302 horsepower and 272 lbs·ft of torque. It also offers enhanced security features, including a warning system lane change developed by Mobileye, a system of blind spot monitoring, and an improved version control system StabiliTrak stability of GM, which could operate the steering system, in addition to the brakes to help correct a skid.
In addition, previously limited to the V8 model options were available with the V6. The Cadillac STS 2008 debuted at the 2007 New York Auto Show. An update of 2010 for the Cadillac STS eliminates GM badges, although early 2010 models still had badging GM. For 2011, the V8 was completely removed from the lineup of Cadillac STS.
Cadillac STS China
For the 2007 model year, the Chinese market was the Cadillac SLS. Compared to the Cadillac STS, the Cadillac SLS has a longer distance between axes, interior details only, and an almost identical appearance. Engine options are the 2.8-liter V-6, 3.6-liter V-6, and the same 4.6 liter V-8 Northstar as in STS V-8. The Chinese-Spec SLS received a facelift in late 2009, and was sold as 2010. The grille, bumpers and other details were reviewed. Shanghai-GM OnStar also introduced to the model. Two SIDI engines were introduced a 3.0L 272 hp and 3.6-liter 310 hp. The SLS is priced from 448,000RMB to 698,000RMB.
The final Cadillac STS was mounted on 4 May 2011. The automotive press reported that the next full size Cadillac XTS Platinum concept would be to create a unique brand flagship sedan. The concept debuted at the Detroit International Auto Show in January 2010, with production starting in May 2012 at the GM assembly plant in Oshawa. The XTS is based on the front wheel drive Epsilon II platform great base Epsilon
Cadillac STS Safety
The Cadillac STS was rated with a front four star and five star rating rear passenger crash tests NHTSA. It is scored best in the Insurance Institute for Highway Safety frontal crash test and a rating of “acceptable” in the side impact test. In the measurements of lesions side impact test the driver’s pelvis was rated as “poor” and the torso “Acceptable”.