Repair Cost Guide

Spark plugs replacement cost
for a Hyundai Elantra

The spark plugs replacement on a Hyundai Elantra involves removing the old spark plugs and installing new ones, typically requiring labor and the cost of the new spark plugs. The cost can vary based on the type of spark plugs used and the labor rates of the mechanic or repair shop. This repair is usually necessary every 30,000 to 100,000 miles, depending on the vehicle and driving conditions.

$220 – $380
Typical fair price range · USD

Cost breakdown

Parts: ~$100 / Labour: ~$150

What affects the price

Type of spark plugs used (copper, platinum, or iridium)
Labor rates of the mechanic or repair shop
Location and availability of replacement parts

Can you do it yourself?

Possible with skill — requires a spark plug socket and knowledge of how to access the spark plugs on the Hyundai Elantra

Tips before you pay

Using high-quality spark plugs can improve fuel efficiency and engine performance
Having this repair done at the recommended interval can prevent more costly engine problems
Comparing prices at different repair shops or dealerships can help find the best deal

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More cost guides

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Estimate based on typical U.S. market rates as of July 2026. Actual prices vary by region, shop, and parts quality — always compare against a real quote using our Scam Checker.