Shop Comparison
Spark Plug Change Cost by Shop: Jiffy Lube, Walmart, Firestone, and More
Nobody else puts all these shops side by side. Here is what you will actually pay at each one, what is included, and which is the best fit for your situation.
Updated April 2026
| Shop | 4-Cyl Price | V6/V8 Price | Appointment? | Warranty |
|---|---|---|---|---|
| Walmart Auto Care | $40-$100 | $80-$150 | Walk-in or appointment | Limited parts warranty |
| Independent Shop | $100-$180 | $150-$250 | Appointment usually needed | Varies, usually 12 months parts and labor |
| Jiffy Lube | $200-$250 | $250-$300 | Walk-in | 90-day warranty on service |
| Firestone Complete Auto Care | $200-$280 | $280-$350 | Appointment recommended | 12-month/12,000-mile warranty |
| Midas | $180-$240 | $240-$300 | Appointment recommended | Lifetime warranty on many services |
| Valvoline Instant Oil Change | $150-$220 | $200-$280 | Walk-in (stay in car service) | Limited parts warranty |
| Pep Boys | $180-$250 | $250-$320 | Appointment recommended | 12-month parts and labor warranty |
| Dealership | $200-$350 | $300-$500+ | Appointment required | 12 months or per manufacturer warranty |
Prices are US national averages for standard spark plug replacement including parts and labor. Actual pricing varies by location. Call your local shop for an exact quote.
Shop-by-Shop Breakdown
Walmart Auto Care
4-cyl: $40-$100 | V6/V8: $80-$150
Uses standard aftermarket plugs. Good for basic copper or platinum changes. May not stock all iridium types. Lowest labor rate among chains.
Pros
- +Lowest price among chains
- +Walk-in availability at many locations
- +Transparent parts pricing
Cons
- -Limited plug selection
- -Technician experience varies
- -May not handle complex engines
Best for:
Budget-conscious owners with straightforward engines who want the cheapest option.
Independent Shop
4-cyl: $100-$180 | V6/V8: $150-$250
Price and quality depend heavily on the specific shop. A good independent mechanic is often the best value: lower labor rate than chains, willing to use your parts if you bring them, and more experienced with difficult engines.
Pros
- +Often use your choice of parts
- +Lower overhead than chains
- +Personal accountability
- +More experienced on complex jobs
Cons
- -Quality varies widely shop to shop
- -Need to find a good one first
- -May not have evening or weekend hours
Best for:
Anyone who has a trusted local mechanic. Best balance of price, quality, and accountability.
Jiffy Lube
4-cyl: $200-$250 | V6/V8: $250-$300
Convenient walk-in service but priced at a premium. Labor rates are higher than independent shops. Known for aggressive upselling on fuel system cleaning and air filters. Ask exactly what is included before approving.
Pros
- +Walk-in availability
- +Quick turnaround
- +Standardized service process
Cons
- -Premium pricing for routine work
- -Aggressive upselling
- -Technicians rotate frequently
Best for:
Convenience seekers who value walk-in service and are comfortable saying no to upsells.
Firestone Complete Auto Care
4-cyl: $200-$280 | V6/V8: $280-$350
Higher labor rate but includes a more thorough inspection. Firestone checks ignition coils, plug wires (if equipped), and overall engine condition as part of the service. Good warranty coverage.
Pros
- +Comprehensive inspection included
- +Strong warranty
- +Nationwide locations
Cons
- -Above-average pricing
- -May recommend additional work
- -Appointment wait times can be long
Best for:
Owners who want a thorough inspection alongside the plug change and value the warranty.
Midas
4-cyl: $180-$240 | V6/V8: $240-$300
Competitive with Firestone on pricing. Midas locations are independently owned franchises, so pricing and service quality vary by location. Their lifetime warranty on certain services can be valuable if you return to the same location.
Pros
- +Lifetime warranty at many locations
- +Competitive mid-range pricing
- +Free inspections often available
Cons
- -Franchise quality varies
- -Warranty only valid at the same location
- -Can be pushy on additional services
Best for:
Repeat customers who will return to the same Midas location for the warranty benefit.
Valvoline Instant Oil Change
4-cyl: $150-$220 | V6/V8: $200-$280
Best known for oil changes but many locations offer spark plug service. The stay-in-your-car model means quick service but less thorough inspection. Good for straightforward engines where you just need the plugs swapped.
Pros
- +Stay in your car
- +Quick turnaround
- +No appointment needed
Cons
- -Not all locations offer plug service
- -Less thorough than full-service shops
- -Higher pricing for the convenience
Best for:
People who want quick, no-fuss service without leaving their car.
Pep Boys
4-cyl: $180-$250 | V6/V8: $250-$320
Full-service auto center with an attached parts store, which means they have a wider plug selection on hand than most chains. Can often match parts to your exact vehicle on the spot. Pricing is mid-range.
Pros
- +Wide parts selection in store
- +Can match exact plug type
- +Solid warranty
Cons
- -Mid to high pricing
- -Service wait times
- -Upselling on additional maintenance
Best for:
Owners who want specific plug brands or types and prefer a one-stop shop.
Dealership
4-cyl: $200-$350 | V6/V8: $300-$500+
The most expensive option for routine spark plug changes. Labor rates of $150-$200/hour and OEM parts at full retail markup. Worth it for warranty-covered work, manufacturer recalls, or complex engines where model-specific expertise matters (BMW, Subaru boxer engines, Ford 5.4L Triton).
Pros
- +Model-specific expertise
- +OEM parts guaranteed
- +Warranty-eligible work
- +Latest diagnostic equipment
Cons
- -30-50% more expensive than independents
- -Longest wait times
- -Full retail parts markup
- -May recommend factory-schedule services you can skip
Best for:
Warranty-covered work, complex or problematic engines, and owners who want manufacturer-trained technicians.
How to Get the Best Price
Call ahead for a quote
Prices listed here are averages. Your local shop may charge more or less. A quick phone call takes 2 minutes and eliminates surprises. Ask for the total including parts and labor, not just labor.
Ask what plug brand they use
Some shops use the cheapest copper plugs unless you specify otherwise. If your car takes iridium from the factory, make sure they install iridium. The price difference is small but copper plugs in an iridium car will not last as long.
Check for coupons and promotions
Firestone, Midas, and Pep Boys regularly run seasonal promotions. Check their websites before booking. Some shops price-match competitors if you show a printed quote.
Bring your own plugs (some shops)
Independent shops often let you bring your own parts and charge labor only. Chains typically will not. Buying plugs yourself from RockAuto or Amazon saves the 30% shop markup on parts.
Common Upsells and Whether They Are Worth It
Shops often suggest additional services when you bring your car in for spark plugs. Some are legitimate, some are not.
Ignition coil replacement
Legitimate if coils are failing$30-$80 per coil
If your coils are over 80,000 miles and the shop finds cracks or weak spark, replacing them with the plugs makes sense. The labor overlaps. Replacing all coils preventively is debatable unless one has already failed.
Fuel system cleaning
Rarely needed$100-$200
Modern fuel already contains detergent additives. Unless you have specific symptoms like hesitation or rough running, this is usually unnecessary. A $5-$15 fuel injector cleaner additive does a similar job.
Engine air filter replacement
Check it yourself first$30-$50 at a shop
Air filters cost $10-$20 at an auto parts store and take 30 seconds to replace. If the shop quotes $40+, buy one yourself and swap it in the parking lot. Hold it up to light to check if it needs replacing.
Spark plug wire replacement
Only if your car has wires$60-$120 installed
Most cars made after 2005 use coil-on-plug and have no wires. If your car does have wires and they are original with 80,000+ miles, replacing them with the plugs is good preventive maintenance.
Throttle body cleaning
Easy DIY if needed$80-$150
If you have rough idle or stalling, throttle body cleaning can help. But it is a 15-minute DIY job with a $6 can of throttle body cleaner. Do not pay $150 for something you can do in your driveway.
Full tune-up package
Know what is included$250-$500
A modern tune-up is just plugs, air filter, and maybe a fuel filter and PCV valve. There are no points, distributor caps, or timing adjustments on modern engines. Make sure you know exactly what you are paying for.
Dealership vs Independent Shop
When the Dealer Is Worth It
- +The spark plug change is covered under warranty or a recall
- +You have a complex engine (BMW N54/N55, Subaru boxer, Ford 5.4L Triton) that benefits from model-specific expertise
- +Plugs are seized and may break on removal (common on Ford Triton engines) and you want someone with specific experience
- +You plan to sell the car and want a dealer service record
When to Skip the Dealer
- -Routine plug change on a straightforward engine (Honda Civic, Toyota Corolla, most 4-cylinders)
- -Your vehicle is out of warranty and the plug change is preventive maintenance
- -You want to use specific aftermarket plugs (NGK, Denso) rather than OEM-branded equivalents at dealer markup
- -You are price-sensitive and the dealer quotes 30-50% more than a trusted independent