Toyota 4Runner Lifespan: How Many Miles Will It Last?
The Toyota 4Runner realistically lasts 250,000 to 300,000 miles with routine maintenance, and well-maintained examples routinely exceed 350,000 miles. The 4.0-liter 1GR-FE V6 used from 2003 through 2024 is the backbone of that reputation—it’s an iron-block, dual-overhead-cam design with a timing chain instead of a belt, removing the single most common scheduled failure point on…