The 2018 Buick LaCrosse is a full-size, near-luxury sedan designed for drivers who want a quiet, comfortable ride with upscale features without stepping into a premium-brand price range. It sits in the third-generation LaCrosse (redesigned for 2017), bringing a more modern platform, improved efficiency, and a lighter feel compared to earlier models. This is an ideal pick for commuters, road-trippers, and anyone prioritizing a smooth highway experience, roomy seating, and a refined cabin. In the market, it competes with cars like the Toyota Avalon and Chrysler 300, leaning more toward comfort and technology than sporty handling.

1) Engine choices: Most 2018 LaCrosse models use a 3.6L V6 (310 hp) paired with an 8-speed automatic transmission, offering strong passing power and relaxed cruising. A 2.5L 4-cylinder with eAssist mild-hybrid tech was offered on some trims/configurations, aimed at improving fuel economy. 2) Available AWD: All-wheel drive is available with the V6, adding extra traction for rain and snow while keeping the LaCrosse’s calm, stable driving character. 3) Quiet, comfort-focused cabin: The LaCrosse is known for a refined interior with supportive seats, a smooth ride quality, and strong sound isolation that makes long drives less tiring. 4) Modern safety and driver aids: Depending on trim and packages, you can find features such as forward collision alert, automatic emergency braking, lane keep assist, blind-spot monitoring, and rear cross-traffic alert. 5) Tech and connectivity: Buick’s infotainment system includes smartphone integration on many builds, along with available navigation and premium audio, making the LaCrosse a solid choice for drivers who want convenient daily tech in a larger sedan.

Shoppers searching “2018 Buick LaCrosse reliability” should know the LaCrosse is generally regarded as a comfortable, well-equipped sedan, but like many modern vehicles it can have a few recurring complaints. Common “2018 Buick LaCrosse problems” and “2018 Buick LaCrosse common issues” reported by owners include: 1) Infotainment glitches and screen behavior: Some owners report the touchscreen freezing, Bluetooth connection drops, intermittent audio issues, or the system rebooting. These problems can show up at relatively low mileage (often within the first 10,000–40,000 miles) and may require software updates, module resets, or component replacement depending on the cause. 2) Electrical warnings and sensor-related faults: Complaints sometimes include random warning lights, driver-assist features temporarily unavailable, or battery/charging messages. Causes can range from weak batteries and poor connections to sensor calibration issues. These may appear around 30,000–70,000 miles, especially if the vehicle sees short trips or sits for long periods. 3) 8-speed automatic transmission behavior: Some drivers note harsh or delayed shifts, shuddering, or inconsistent shift timing. In many cases, fluid condition, updated calibrations, or service procedures help, but it’s important to take any persistent shudder or hesitation seriously during a test drive. Reports vary widely, but symptoms are often mentioned between 20,000–80,000 miles. 4) Interior trim and comfort-feature annoyances: While not typically “breakdowns,” some owners mention rattles, creaks, or issues with power features (like seat heaters or power adjustments) over time. These tend to be more age-and-use related and can crop up after 40,000 miles depending on road conditions and wear.