: If a car with 100,000 miles receives a brand-new engine, that core component effectively starts at zero, while the original engine would have been nearing its twilight years.
Should I avoid buying a used car if the engine has been replaced? buying a car with a replaced engine
: You must determine if the engine failed due to manufacturer defect (like a recall), an accident, or severe neglect by the previous owner. If the car was neglected enough to blow an engine, other components like the transmission and suspension may also be failing. : If a car with 100,000 miles receives
: Newer or remanufactured engines can offer better fuel economy and fewer emissions due to modern components and reduced internal friction. If the car was neglected enough to blow
: Many professional replacements come with a limited warranty (often 12 months or 12,000 miles for long blocks), providing a safety net that most standard used cars lack. The Risks: Quality and Hidden History