What is the life expectancy of a 2006 Buick Lucerne?

I’m in the market for a used vehicle and I’ve always had my eye on the Buick Lucerne. What is its life expectancy?

Mariza Morin · Answered on Feb 21, 2023
Reviewed by Shannon Martin, Licensed Insurance Agent.
With proper maintenance and care, the 2006 Buick Lucerne has a life expectancy between 300,000 to 500,000 miles.
Along with standard four-speed automatic transmission, the 2006 Buick Lucerne comes with two engine options:
  • A 3.8-liter V6 engine with 197 horsepower and 227 lb-ft of torque
  • A 4.6-liter V8 engine with 275 horsepower and 290 lb-ft of torque
If you’re looking for the best fuel economy with the 2006 Lucerne, you’ll want to go with the V6 engine to receive an EPA rating of 17/26/20 mpg for city/highway/combined driving with regular gasoline. But if you prefer the more potent V8 engine, you’ll have to sacrifice your mileage slightly as the numbers dip down to 15/23/18 mpg.
To expand your 2006 Buick Lucerne’s lifespan, you’ll have to keep up with a proper car maintenance schedule. This means you should take your full-size sedan in for regular services to check the belts, brakes, and fluids on your sedan. But you can easily save on maintenance costs by performing some of these tasks at home, such as changing your Lucerne’s oil and filter out every 3,000 to 5,000 miles if you’re using conventional oil. But if you’re using synthetic oil, you can wait longer in between oil changes—about 7,500 to 10,000 miles.
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