A carry-over from 2006, the STS is a rear-wheel-drive mid-size luxury four-door sedan with five-passenger seating capacity. The base engine is the 3.6Liter 24 valve with variable-valve-timing that produces 254HP, or the optional 4.6Liter Northstar V8 that puts out 320HP, and is also available with the all-wheel-drive configuration. The 6L50 six-speed automatic transmission with driver-shift offers clutch-less shifting using a 32-bit transmission controller.Read more Read less
For 2007, the six-speed automatic transmission introduced last year on the high-performance Cadillac STS-V model is now standard on all V8 STS models, bringing improved acceleration yet more relaxed highway cruising.
Overall performance; ride and comfort; available high-tech conveniences; exclusivity and top performance of STS-V; all-weather traction with all-wheel drive.
Cadillac's luxury performance model, the 2007 STS, stands out for its good combination of ride comfort, luxury, and performance, and as the only American car that competes head-on with the likes of the Mercedes-Benz E-Class, BMW 5-Series, Infiniti M35/M45, and Lexus GS. The home-bred exotic STS-V also makes a mark as serious competition to the Mercedes-Benz E55 AMG and BMW M5.