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How much does a dealer charge to change spark plugs?

The cost to have a dealer change your spark plugs can vary, but typically ranges from $100 to $300 or more, depending on the make and model of your vehicle. This price includes the cost of the spark plugs themselves as well as the labor required to replace them.


Factors That Affect Spark Plug Replacement Costs


Several factors can influence the final cost of having your spark plugs replaced by a dealer:



  • Vehicle make and model: Luxury and high-performance vehicles often require more specialized or expensive spark plugs, driving up the overall cost.

  • Number of spark plugs: Most vehicles have 4, 6, or 8 spark plugs that need to be replaced. The more plugs, the higher the labor and parts costs.

  • Accessibility of spark plugs: Some vehicles have spark plugs that are more difficult to access, requiring more labor time and effort.

  • Labor rates: Dealer labor rates can vary significantly, with higher-end dealerships charging more per hour.

  • Parts markup: Dealers may charge a higher markup on the spark plug parts themselves compared to what you'd pay at an auto parts store.


It's important to note that the cost to replace spark plugs can be significantly lower if you do the work yourself or take your vehicle to an independent mechanic rather than a dealer.


When to Replace Spark Plugs


Most manufacturers recommend replacing spark plugs every 30,000 to 100,000 miles, depending on the vehicle. Signs that your spark plugs may need to be replaced sooner include:



  • Decreased fuel efficiency

  • Rough idling or engine misfiring

  • Difficulty starting the engine

  • Increased emissions or failed emissions test


Regularly replacing your spark plugs according to the manufacturer's recommendations can help maintain your vehicle's performance and fuel efficiency.

How much do dealers charge for spark plugs?


Labor charges vary depending on the complexity of each engine, with V6 and V8 engines costing more than four-cylinder engines. The average labor cost ranges between $40 and $350. Factoring in parts and labor, the cheapest spark plug replacement costs between $100 and $250, and the highest is between $250 and $500.



How much do garages charge to change spark plugs?


On average, a complete spark plug replacement in the UK will cost between £50 to £300 depending on the type of vehicle and the number of spark plugs.



How much did it cost to replace spark plugs?


If your vehicle has easy to access spark plugs, such as the average commuter car, it will be closer to $200. On the other hand, cars with unique engine layout and difficult-to-reach engines will cost closer to $400. In addition, you should consider any other costs for other repairs you will do at the time.



How much should I pay to get spark plugs changed?


Where changing the spark plugs used to be a few dollars, it's a bigger job that costs more on today's vehicles. You can expect to pay between $3 and $20 per spark plug, although some unique models can range even higher.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.