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The 2011 Mazda CX7 has a strong lifespan of 150,000-200,000 miles if properly maintained and cared for. It is recommended to have regular maintenance check-ups and oil changes every 7,500-10,000 miles (or 12 months with synthetic oil, and every 3,000-5,000 miles (or 6 months) with conventional oil. The timing chain in the CX7 is designed to be maintenance-free, although some owners opt to replace it to prolong the vehicle's usage for an additional 50,000-100,000 miles. The average cost for timing chain replacement in the CX7 ranges from $500 to $1500 in parts and labor. Transmission fluid flushing should be done at 80,000-100,000 miles and typically costs around $50-$100 including parts and labor. Replacing the spark plugs every 30,000 miles is also recommended as it can significantly extend the vehicle's life expectancy.
The 2011 Mazda CX-7 is expected to last between 150,000 and 200,000 miles.
Providing good maintenance can help a vehicle remain operational for over 300,000 miles.
I drive a 2011 CX7 and just got the transmission replaced. I expect it to last for more than 200,000 miles with proper maintenance.