For two generations, the Buick LaCrosse is a large five-passenger sedan. That’s really where the similarities end, as they are radically different cars indicative of many different eras for the Buick brand.
The LaCrosse first is the old Buick. It was not interesting to look at, not eager to drive and its cabin filled with substandard material, but it was a decade behind. The current generation LaCrosse is a much more modern, stylish and fuel-efficient car. It’s not just one of the better full-size sedans that you can buy, but even gives certain luxury-branded large sedans a run for their money.
The 2018 Buick LaCrosse is a five-passenger full-size luxury sedan that offered in four trim levels: base 1SV, Preferred, Essence and Premium.
The 2018 Buick LaCrosse is backed by a mild hybrid powertrain known as eAssist that consist a 2.5-liter four-cylinder and a small electric motor. Together this combination produces 194 horsepower and 187 pound-feet of torque. A six-speed automatic transmission is standard.
Optional is a 3.6-liter V6 engine that generates 310 hp and 268 lb-ft of torque. It paired with paired with a nine-speed automatic transmission. All come standard with front-wheel drive, but the Essence and Premium can be fitted with all-wheel drive and the V6.
In track testing, The 2018 Buick LaCrosse eAssist took 7.8 seconds to accelerate from zero to 60 mph. The V6 LaCrosse with front-wheel-drive hit 60 in 5.9 seconds and an AWD model did it in 5.8 seconds. EPA estimated fuel economy for the LaCrosse eAssist at 29 combined (25 city/35 highway). The V6 model rated at 24 mpg combined (21 city/30 highway) with front-wheel drive and (23/20/29) with AWD.