When your Buick engine fails, Moon Auto Parts makes finding a quality replacement fast and affordable. We carry quality-tested used and remanufactured Buick engines for every major model, like Enclave, LaCrosse, Encore, Regal, Verano, Lucerne, and Rendezvous, sourced from our network of 5,000+ verified junkyards across the United States.
The Buick builds its engines on GM’s proven V6 and four-cylinder platforms. The same powertrains used in Chevrolet and GMC vehicles. so you can easily find high-quality used replacements at competitive prices. Dealers typically charge $3,500 to $8,000 for a Buick engine replacement before labor. Moon Auto Parts offers used Buick engines at much lower prices while delivering the same OEM performance, backed by a 4-year / 40,000-mile warranty.
Browse by model above to confirm the right engine for your Buick using your VIN.
When it comes to reliability and value, several used Buick engines stand out in the market. The 3.8L V6 engine is one of the most popular choices thanks to its long-lasting performance and low maintenance needs. Buyers also prefer the 3.6L V6 for its balance of power and fuel efficiency in modern models. The 2.4L Ecotec engine is another common option, especially for daily driving, because it offers decent mileage and smooth operation. Many people search for these engines from models like the Buick Turbo Regal and Buick LaCrosse. Used Buick engines are in demand because they are durable, affordable, and easy to find, making them a smart choice for replacements without spending too much.
Buick Enclave 3.6L V6 - The most common issue is timing chain wear and timing chain tensioner failure, particularly on 2008 to 2012 models. This is a known GM 3.6L issue. When sourcing a replacement, target post-2013 units that use the revised LFX engine with an improved timing chain design.
Buick Encore 1.4L Turbo - Watch for turbocharger wear and excessive oil consumption above 100,000 miles. PCV system issues can also accelerate engine wear. Target units under 70,000 miles for best long-term results.
Buick LaCrosse 3.6L V6—Generally, the 3.6L V6 LaCrosse Buick engine is very reliable. Some 2010 to 2013 models experienced carbon buildup on intake valves due to direct injection, common across all GM 3.6L DI engines. Not typically a reason to avoid a used unit but worth noting.
Buick Turbo Regal 2.0L - Reliable overall. Watch for cooling system issues on higher-mileage units. The 2.0L turbo is shared with other GM platforms, making parts and used replacements easy to source.
Used Buick engine prices at Moon Auto Parts vary by model, year, and mileage. Here is a realistic price guide:
Buick Encore (1.4L turbo): $900 to $1,800
Buick Verano (2.4L / 2.0T): $900 to $1,900
Buick Regal (2.0T / 2.4L): $1,100 to $2,500
Buick Rendezvous (3.4L / 3.5L): $1,000 to $2,000
Buick LaCrosse (3.6L V6): $1,400 to $2,800
Buick Lucerne (3.8L / 4.6L): $1,200 to $2,600
Buick Enclave (3.6L V6): $1,800 to $3,200
Compare these to dealer replacement costs, which typically run $3,500 to $8,000 before labor for most Buick models. A quality used engine from Moon Auto Parts represents savings of 40% to 65% against new engine pricing with the same OEM performance
Ready to Find Your Used Buick Engine?
Search by your exact model like Enclave, LaCrosse, Encore, Regal, Verano, Lucerne, or Rendezvous or call our Buick engine specialists at +1 888-777-0769 (Mon–Fri, 9 AM–7 PM CST). We verify fitment using your VIN before every shipment. Every engine arrives with a 4-year / 40,000-mile warranty, free delivery to commercial addresses, and zero core charge.