Ratings, Reviews, Pictures, Features | J.D. Power

2008 CADILLAC STS Sedan - Overview

Research another STS:

$43,775 – $54,825 MSRP

$40,930 – $51,099 Invoice

14 / 21 MPG City/Hwy

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2008 CADILLAC STS Sedan

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Overview

What Changed for 2008:

  • Refreshed exterior with radical grille styling change and chromed fender vents

  • Interior changes include redesigned steering wheel

  • Head-up display and HID headlamps now available on V-6 models

  • New 302-hp, direct-injection 3.6-liter V-6 engine

  • New V-6 engine mated to the same 6-speed automatic transmission featured on the V-8 model

  • Enhanced safety features, including lane-departure warning and blind-spot-monitoring systems

  • Advanced electronic stability control system
Overview
While it's not "all new," the 2008 Cadillac STS is updated with some significant design touches and safety additions. Exterior styling is similar to the 2008 CTS, especially in the larger grille and chrome fender vents. The addition of more narrow side marker lamps, lower rocker moldings, chrome-plated door handles, and three-inch aluminum exhaust tips completes the updated look. Inside, the steering wheel is redesigned, and a head-up display is now available on the V-6 model, as are HID headlights. But the big news for 2008 is the new 3.6-liter V-6 engine with increased output of 302 hp and 272 lb.-ft. of torque. Both V-6 and V-8 models will continue to be offered in rear- and all-wheel drive. Standard safety additions include an advanced electronic stability control system; all-speed traction control; lane-departure warning; blind-spot monitoring; and rear parking assist.

Model Lineup
The 2008 Cadillac STS is available in V-6 and V-8 models, each with three equipment packages to choose from. All-wheel drive is available on all models. Standard equipment on the V-6 model includes adaptive remote start; leather-wrapped steering wheel with audio controls; advanced electronic stability control; all-speed traction control; tire-pressure monitor; rear parking assist; and outside manual-folding, power-adjusting, heated mirrors (including driver-side auto-dimming feature). Options on the V-6 model include 18-inch cast-aluminum, polished, 9-spoke wheels. The Platinum Edition package is also available as an option: this includes a unique grille; chrome-insert exterior door handles; 18-inch chrome 9-spoke chrome cast aluminum wheels; specific decklid emblem; interior with wood trim package; leather-wrapped interior; unique interior color combinations; premium floor mats and door plates; and Tuscany full-leather seats.

In addition to the V-6 model standard equipment, the V-8 model adds a leather-wrapped steering wheel with wood accents, heated feature and audio controls; and a stereo with in-dash 6-disc CD changer, RDS and Bose system. Available options on the V-8 model include the Platinum Edition package: a performance handling package with P255/45R18 (front and rear) Michelin Pilot Sport 2 summer-only tires; 18-inch chrome wheels and Brembo brakes; 4-wheel independent suspension with magnetic ride control; adaptive cruise control; 4-color, reconfigurable head-up display; 18-inch cast aluminum polished 9-spoke wheels; and 18-inch chrome wheels.

Powertrain
The 2008 Cadillac STS standard model is powered by GM's new 3.6-liter direct-injection V-6 engine with variable valve timing. Power output is 302 hp at 6300 rpm and 272 lb.-ft. of torque at 5200 rpm, and is transferred through a 6-speed automatic transmission with driver shift control. Drivers can choose between standard rear-wheel drive or optional all-wheel drive. The V-8 model features a 4.6-liter Northstar V-8 engine with variable valve timing, producing 320 hp at 6400 rpm and 315 lb.-ft. of torque at 4400 rpm. EPA fuel economy estimates for the 2008 Cadillac STS equipped with rear-wheel drive are 18 mpg city/27 mpg highway for the V-6 and 17 mpg city/27 mpg highway for the V-8. For models equipped with all-wheel drive, the numbers are 17 mpg city/25 mpg highway for the V-6 and 15 mpg city/23 mpg highway for the V-8.

Safety
The 2008 Cadillac STS comes equipped with a long list of standard safety equipment, including front air bags; front and second-row outboard head-curtain, side-impact air bags; 4-wheel anti-lock disc brakes; tire-pressure monitor; OnStar; advanced electronic stability control; all-speed traction control; lane-departure warning system; blind-spot-monitoring system; and ultrasonic rear-parking assist. The 2008 Cadillac STS received 4-star ratings from the National Highway Traffic Safety Administration (NHTSA) for front and side-impact crash tests for the driver and front-seat passenger, and perfect 5-star ratings for rear-seat side-impact crash tests. NHTSA submitted both rear- and all-wheel-drive STS models to its rollover tests; both earned perfect 5-star ratings.

Technology
In addition to the new high-tech V-6 engine, the 2008 Cadillac STS features an advanced StabiliTrak electronic stability control system that now has the ability to operate the vehicle's steering system in conjunction with the brakes to help the driver correct a dangerous skid. The 2008 STS also features the latest in vehicle safety technology, including lane-departure warning and blind-spot-monitoring systems to further assist drivers in avoiding a collision. The STS also features an audio system with 5.1 studio surround sound, in-dash 6-disc CD/DVD changer; DVD-based advanced navigation; Bluetooth phone interface; AudioPilot automatic volume compensation; Radio Data System; and 15 speakers, which combine to offer complete in-car entertainment, communication and navigation.

Available Trims for the 2008 CADILLAC STS Sedan

  Transmission MSRP Engine City/Hwy MPG
V6 6 speed automatic $43,775 302-hp / 3.6L 6-cyl 17/26
V8 6 speed automatic $53,275 320-hp / 4.6L 8-cyl 15/24

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