2009 Buick Lacrosse Engines

Used and remanufactured engines that fit the 2009 Buick Lacrosse. Each unit below is matched to this vehicle, warranty-backed, and shipped with freight quoted at checkout from Peak Powertrain.

Available Engines (1)

  • Used Engine

    Price
    $966.00
    Engine:
    3.8L
    Mileage:
    121,515
    Condition:
    used

Other Buick Lacrosse Years

2009 Buick Lacrosse Engine Market Context

Recent engine prices for this vehicle

Market range:
$2,551 – $2,551
Median:
$2,551
Sample:
3 recent market listings

Is replacing the engine worth it?

Vehicle value (mid-size sedan):
$2,500 – $3,000
Repair makes sense under:
≈$1,250

Rule of thumb: a engine replacement is usually worth it when the installed cost stays under 50% of what the 2009 Buick Lacrosse is worth — most units below beat that comfortably.

Frequently Asked Questions

What's a typical price range for an engine on a 2009 Buick Lacrosse?

Based on 3 recent market listings, an engine for a 2009 Buick Lacrosse typically runs $2,551–$2,551, with a median around $2,551.

Is it worth repairing or replacing the engine on a 2009 Buick Lacrosse?

As a general rule of thumb, an engine replacement on a 2009 Buick Lacrosse (mid-size sedan segment, vehicle value roughly $2,500–$3,000) is usually worth it when the installed cost stays under about $1,250 — roughly 50% of what the vehicle is worth.

What years of Buick Lacrosse does an remanufactured or new engine fit?

Based on vendor-verified fitment data across 13 listed engines, remanufactured and new engines for this model cover the 2007–2016 model years. Always confirm your exact VIN or engine/transmission code before ordering, since fitment can vary by submodel or engine.