2005 Buick LeSabre

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Best-selling full-size car in the United States

Buick’s LeSabre enters the 2005 model year as the best-selling full-size car in the United States for the 12th consecutive year, underscoring the brand’s long track record of success in offering a premium automobile that has it all – style, comfort, power, safety and outstanding value.



As Buick’s premium full-size sedan, LeSabre is well equipped even before an impressive list of stand-alone options or packages is considered. A full complement of convenience and safety items is standard, including power windows with driver- and front-passenger express-down feature; cruise control; AM/FM stereo with CD player, automatic speed-compensated volume adjustment and steering wheel-mounted radio controls; eight-way power driver seat; tilt-adjust steering column; daytime running lamps; anti-lock brakes; and PASS-Key III immobilizer theft deterrent system.

GM’s OnStar safety and security system is standard on all 2005 LeSabre models and includes a one-year subscription to OnStar’s Safe & Sound plan. The 2005 LeSabre features OnStar’s new sixth generation hardware with digital and analog coverage. OnStar’s Gen 6 hardware also includes upgraded hands-free voice recognition capabilities including more intuitive continuous digit dialing and improved voice recognition accuracy. OnStar is the leading provider of in-vehicle safety, security and information services in the United States and Canada. Using the GPS satellite network and wireless technology, OnStar features core safety services and OnStar Personal Calling that allows drivers to make and receive hands-free, voice-activated phone calls using a powerful three-watt digital/analog system and external antenna for greater reception.

New for 2005


  • Standard OnStar safety and security system, featuring Gen 6 hardware with analog/digital coverage and upgraded hands-free capabilities

  • New machine-faced 16-inch aluminum wheels available

  • Four new option package discount groups 

  • New exterior colors: Cashmere Metallic, Sagemist Metallic and Dark Garnet Metallic

LeSabre Celebration Edition

The 2005 LeSabre is offered with four option package discounts, enabling customers to add popular comfort and convenience items while achieving high value and affordability.

These packages include the return of the popular Celebration Edition LeSabre for model year 2005, as Buick enters its second century after marking its centennial in 2003. Three additional packages combine leather-trimmed seats with several other popular features.

The Celebration Edition has all the features of the LeSabre Limited, plus a blacked-out grille and body-color lower fascias and rocker moldings, specific badging, 16-inch chrome-plated wheels with P225/60R16 blackwall touring tires, outside rearview mirrors with integrated turn-signal indicators, special interior trim and a choice of Cashmere Metallic (new for 2005), Crimson Pearl or White Gold Flash premium exterior colors.

Additional features include GM’s StabiliTrak, an advanced integrated vehicle stability control system that helps the driver maintain control in sudden maneuvers, particularly in low traction conditions, in emergency lane changes and during avoidance maneuvers.

StabiliTrak assists the vehicle in maintaining the driver’s intended path by applying a brake force at any corner of the vehicle independent of the driver’s use of the brake pedal.

StabiliTrak uses an accelerator pedal position sensor, a brake master cylinder pressure sensor and a steering wheel angle sensor as inputs to interpret the driver’s desired path and whether to accelerate or decelerate the vehicle. StabiliTrak also uses these sensors plus a lateral accelerometer and yaw rate sensor to determine the vehicle’s actual path.

If the difference between the driver’s desired path and the vehicle’s actual path becomes great enough, StabiliTrak takes appropriate action to assist the driver with maintaining the desired path. If the vehicle begins to “snowplow,” or understeer, StabiliTrak applies the inside rear brake to help turn the vehicle. If the vehicle begins to fishtail, or oversteer, StabiliTrak applies the outside front brake to straighten the vehicle. StabiliTrak is integrated with the traction control and ABS systems.

A head-up display for undistracted monitoring of projected instrumentation readouts also is available.  

The Leather & Comfort Group package includes heated front leather seats and sideview mirrors, inside rearview electrochromic mirror with compass display, moisture-sensing wipers, eight-way front-passenger power seat adjuster, and side air bags for the driver and front passenger.

In addition to leather trimmed seats and steering wheel, the Leather & Sound Group contains an AM/FM stereo with CD and cassette players, and XM Satellite Radio (continental U.S. only), which provides more than 120 coast-to-coast, digital-quality channels of original commercial-free music and premier news, sports and talk as well as advanced traffic and weather information for select major metropolitan areas nationwide. Consumers can subscribe to the basic service for $9.99 a month. In addition, GM customers with GMAC financing can choose to include the XM subscription in their car payments.

Also included is Buick’s Gran Touring package for a more performance-oriented ride and handling. This package includes a rear stabilizer bar, 3.05 axle ratio, firmer suspension, P225/60R16 all-season blackwall touring tires and leather-wrapped steering wheel.

The Leather & Wheels group adds new 16-inch styled wheels and a cargo convenience net in addition to leather upholstery.

Three new exterior colors are offered on LeSabre for 2005 – Cashmere Metallic, Sagemist Metallic and Dark Garnet Metallic – while a new, machine-faced 16-inch aluminum wheel design is available on both Custom and Limited models.

LeSabre is powered by GM’s 3800 Series II 3.8L V-6 engine coupled to an electronically controlled Hydra-Matic 4T65-E four-speed automatic transmission. Long a favorite of Buick owners for its smooth performance and reliability, the 3800 delivers 205 horsepower (153 kw) at 5200 rpm and 230 lb.-ft. (311 Nm) of torque at 4000 rpm. Estimated fuel economy is 20 mpg city and 29 mpg highway.

(See General Motors of Canada for Canadian product differences.)

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Source: Buick

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