2010 to Present: Buick LaCrosse
Introduced for the 2010 model year, the current Buick LaCrosse was remade on GM's modern Epsilon midsize platform, using a longer wheelbase than the Buick Regal and Chevrolet Malibu, but shorter than that of the Chevrolet Impala. Engines were extensive this year, all mated to a six-speed automatic: a 3.0-liter V6 with 255 horsepower powered most versions, with standard front-drive or optional all-wheel drive. The top CXS trim got a 3.6-liter V6 with 280 horsepower and front-wheel drive only. A 2.4-liter 182-horse four-cylinder engine joined the lineup midyear as an option instead of the 3.0-liter. Base CX versions came with cloth upholstery and full power amenities, while the CXL gained leather, a moonroof and chrome wheels. The CXS model was tuned to be sportier, with larger wheels and GM's HiPer strut front suspension.
For 2011, the 3.0-liter was discontinued and the 2.4-liter engine officially became the base motor.
With the cancellation of the old Lucerne, the LaCrosse became Buick's flagship sedan for 2012. The V6 engine got more power through direct injection, now up to 303 horsepower, and was also available with all-wheel drive. A new eAssist powertrain debuted, which was basically the old 2.4-liter engine with a small electric motor to provide a mild hybrid experience and better fuel economy.
There were no changes to the LaCrosse for 2013.
For 2014, the LaCrosse underwent a modest makeover, with revised front- and rear-end styling and wheels. The interior was decluttered with a new touch screen and climate controls. Features such as adaptive cruise control with forward collision warning and lane departure warning were all added to the options list.
For 2015, the LaCrosse got a 4G LTE Wi-Fi hot spot, Siri Eyes Free and a standard backup camera.
Earlier Buick LaCrosse Models
The Buick LaCrosse nameplate was introduced in 2004 as a 2005 model. Replacing both the Regal and the aged Century sedans in the Buick lineup, the LaCrosse was GM's first effort into recasting the historic brand as a Lexus rival – even though underneath, the car was a heavily reworked W-Body platform that underpinned the Buick Century and Regal. CX and CXL models were offered as base and moderately equipped versions with six-passenger seating, though CXL benefitted from leather upholstery and wood accents. CXS was the import fighter, with large alloy wheels, front bucket seats and a sportier aura. Engines started with the familiar 3.8-liter V6 with 200 horsepower. Top-of-the-line CXS cars got a 3.6-liter V6 with 240 horsepower – all mated to a four-speed automatic.
For 2006, side curtain air bags and anti-lock brakes were made standard, while satellite radio and OnStar were added in 2007.
The 2008 LaCrosse received a new grille and some new wheel designs. Of note, however, was the new Super trim. Boasting a 5.3-liter V8 and 300 horsepower, it also sported a more aggressive front-end treatment and larger brakes than other LaCrosse models.
The LaCrosse lost the CXS trim in 2009, an abbreviated year as the LaCrosse was totally redone for 2010.