The STS enters 2006 available in two engine trim levels, a 255-hp 3.6L V6 engine or a 4.6L V8, which produces 320-hp and 315 lb-ft of torque. Both powertrains are completed with a five-speed automatic transmission with overdrive. Standard amenities on this luxury sports sedan include a premium stereo with XM radio, a rear parking assist system, the OnStar Telematics System, power leather seats, and alloy wheels. Cadillac puts safety as a priority by equipping the STS with front dual-stage deployment airbags and side head curtain airbags. Available options include a limited slip differential, performance brakes, a Bose sound system, Xenon HID headlights, a rear spoiler, wood interior, and a heated rear bench seat.
Gas guzzler tax
Dealer advertising fee
1-3% of MSRP (est)
Final assemblly location
Full warranty miles
Full warranty months
MNT warranty miles
MNT warranty months
Power warranty miles
Power warranty months
Rust warranty miles
Rust warranty months
Price effective date
Console w/Covered Storage
Driver's Information Center
Axle Ratio, 3.42
Braking System, Anti-Lock
Clock, Digital (w/Radio)
Air Conditioning, Dual-Zone Automatic
Cup Holders, F&R
Gray, Light Last Character Refers to Seat Trim.
Ebony Last Character Refers to Seat Trim.
Emission Equipment, MA/ME/NY/VT Req'd in MA, ME, NY & VT.
Seat Trim, Tuscany Leather Surfaced First Two Characters Refer to Interior Color.
Seats, Front Bucket
Tires, (2) P235/50WR18 Front & (2) P255/45WR18 Rear BSW
Seats, Front Bucket
Emission Equipment Override, Federal
Cashmere Last Character Refers to Seat Trim.
Tires, (2) P235/50VR17 Front & (2) P255/45VR17 Rear BSW
Illinois Surcharge Refund Available Only on IL Orders Delivered or Registered Outside IL.
New Jersey Surcharge Req>d on All Vehicles Ordered in NJ.
Option Pkg 1SD See Std Equipment Listing.
Tires, (2) P235/45ZR18 Front & (2) P255/45ZR18 Rear Summer
Illinois Surcharge Req>d on All Vehicles Ordered in IL.