How Much Does a GMC Tune Up Cost?

It used to be that a car owner would need to tune up their vehicle once a year, to accommodate the degradation of spark plugs, wires, and other parts that were considered disposable at the time. Modern vehicles, however, have seen incredible advances in materials and construction, so many of the parts that used to need replacement every year now last for thousands more miles.

The net result of this overall higher reliability is that you can get a rudimentary GMC tune-up for less than $100 in parts, if you don't require some of the more complicated pieces, like ignition coils, serpentine belts, or various sensors. If you need to add some of those items to your tune-up shopping list, the price can rise several hundred dollars, even up to $1,000 or more.

Common Tune-Up Items for a GMC

  • Spark plugs have not only seen improved performance in recent years, but many now have incredibly long service lives, often lasting up to 100,000 miles. If you are looking for a set of GMC spark plugs, you may want to stick with the OEM Iridium models, which retail for less than $10 per plug and feature preset gaps.

  • An engine air filter is another common tune-up item that is not only inexpensive but also very easy to replace. Most vehicles have easy access to the engine air filter either through removing clamps by hand, or by using simple tools like a screwdriver or a wrench. Basic air filters for a GMC are available for around $20, while you can also opt for high-performance models that will cost up to $75 per filter.

  • Cabin air filters how designed to remove particles from the air before it enters your cabin through the heating and ventilation system. If you spend a lot of time on job sites, with dust and dirt in the air, you may find that your cabin air filter becomes clogged at a quicker rate than if you simply drive on the highway. GMC cabin air filters range from $20 to $30.

  • Engine coolant should be flushed from the system about once every 50,000 miles, so this won’t be a yearly process for most folks. It is, however, a fairly simple process, as long as you make sure to bleed the coolant system after adding new coolant.

Some Not-So-Common Tune-Up Items for a GMC

  • Your GMC serpentine belt is situated at the front of the engine, running around a set of pulleys that power things like your alternator, water pump, and other parts. The typical lifespan of a serpentine belt is about 60,000 miles, so this will be a maintenance item that you deal with once every several years.

  • Ignition coils serve as the interface between your ignition control module and your spark plugs. On some models they can wear out every 50,000 miles or so, but it is not unheard of for a set of ignition coils to last a lot longer. Replacing your ignition coils can help with fuel economy and engine performance, but the expense is greater than just replacing your spark plugs. A set of ignition coils for a GMC with a V8 will cost about $375.

  • Flushing your transmission fluid is one way to keep your automatic transmission running effectively. Check your owner’s manual to see what the ideal service interval is for this maintenance, because it varies from vehicle to vehicle, and if you choose to do this service yourself, be sure to get some nitrile gloves and plenty of rags for the job.

  • Modern cars are saddled with all kinds of components to reduce your vehicle’s impact on the environment, so you may find that you also need to replace an O2 sensor at some point over your vehicle’s life. the auto sensor measures the composition of your exhaust gases so that the engine management computer can tailor the fuel-air mixture for the best performance.

Whatever your tune-up needs, you can find all the auto parts and tools you need for the job at AutoZone, as well as regular maintenance items like oil filters, oil, and brake pads. Working on your own car can be a fun learning experience, as well as a great way to save money. Start now, by using your vehicle year, make, model, and engine size to search for parts.

If the job is too big for you, seek out one of our Preferred Shops to help you do the job.


How much does it cost for a full tune-up for a GMC?

A tune-up can cost around $100 in parts if you are just replacing spark plugs and air filters, or it can escalate to around $600 if you need to replace components like ignition coils and sensors.

How much is a tune-up for a 2004 GMC Sierra?

Spark plugs for a V8 GMC Sierra will cost about $80, and you can add about $50 to the bill for your engine and cabin air filters. If you need to replace your ignition coils, budget another $375, and an O2 sensor will set you back about $60.

How much does a tune-up cost for a GMC Terrain?

You can expect to pay just under $10 per spark plug for a set of Iridium plugs, your engine air filter will set you back $20 for the basic model, and up to $90 for the high-performance models, and your cabin air filter has a price range of between $13 and $45.

What are the signs that your GMC vehicle needs a tune-up?

Worsening fuel economy, poor engine performance, and odd noises coming from the engine can all be signs that your GMC needs a tune-up.

Does a tune-up make your car run better?

Yes, when your engine is receiving the proper combination of error and fuel it allows for more power, better responsiveness, and optimal fuel economy.

Advice, how-to guides, and car care information featured on and AutoZone Advice & How-To’s are presented as helpful resources for general maintenance and automotive repairs from a general perspective only and should be used at your own risk. Information is accurate and true to the best of AutoZone’s knowledge, however, there may be omissions, errors or mistakes.

Be sure to consult your owner’s manual, a repair guide, an AutoZoner at a store near you, or a licensed, professional mechanic for vehicle-specific repair information. Refer to the service manual for specific diagnostic, repair and tool information for your particular vehicle. Always chock your wheels prior to lifting a vehicle. Always disconnect the negative battery cable before servicing an electrical application on the vehicle to protect its electrical circuits in the event that a wire is accidentally pierced or grounded. Use caution when working with automotive batteries. Sulfuric acid is caustic and can burn clothing and skin or cause blindness. Always wear gloves and safety glasses and other personal protection equipment, and work in a well-ventilated area. Should electrolyte get on your body or clothing, neutralize it immediately with a solution of baking soda and water. Do not wear ties or loose clothing when working on your vehicle.

FREE Loan-A-Tool® program requires returnable deposit. Please note that the tool that you receive after placing an online order may be in a used but operable condition due to the nature of the Loan-A-Tool® program.

Related Posts