Typical prices range from roughly $2–5 per copper plug, $6–15 per platinum plug, or $10–25 per iridium plug. For a full set of four, expect about $8–20 for copper, $24–60 for platinum, or $40–100 for iridium, before labor.
What affects the price of spark plugs for Honda Civics
Several factors influence the sticker price, including plug material, brand, and where you buy. The particular Civic model year and engine can also determine which type of plug is recommended by the manufacturer.
- Plug material (copper vs platinum vs iridium)
- Brand and whether it’s OEM-equivalent or aftermarket
- Model year and engine type (some Civics use different heat ranges)
- Retail channel (auto parts store, dealer, or online)
- Bulk purchases or promotions
In short, you’ll see a wide spread in pricing depending on these variables, so it pays to check your owner's manual and shop around.
Typical price ranges by plug type
The following ranges show what you can expect for common Civic engines. Prices are before tax and may vary by region and retailer.
Copper spark plugs
Best for budget-minded buyers or older Civics; they are the least expensive option.
- Per plug: $2–5
- 4-pack: $8–20
Copper plugs wear faster and may require more frequent replacement than other materials.
Platinum spark plugs
A balance between cost and longevity, widely used on many Civics from the mid-2000s onward.
- Per plug: $6–15
- 4-pack: $24–60
Platinum plugs often offer longer service intervals with solid performance.
Iridium spark plugs
Premium option with the longest life and strongest performance, typically the most expensive.
- Per plug: $10–25
- 4-pack: $40–100
Iridium plugs are commonly recommended for newer Civic engines or when long intervals between changes are desired.
Installation costs and labor considerations
Labor charges vary by region and shop, and some owners opt to replace plugs themselves. Here are the typical ranges you’ll see for a standard four-plug change on a Civic.
- Typical labor time: about 0.5–1 hour
- Labor rate: roughly $60–$120 per hour, depending on location
- DIY costs: you’ll only pay for the parts if you do it yourself, saving labor
Prices can be higher at dealerships and lower at independent shops or warehouse-style retailers, especially if you combine the job with other maintenance.
Where to buy spark plugs
Where you purchase matters for price and warranty. Options include OEM or aftermarket plugs from national chains, independent auto parts stores, dealers, or online retailers. It’s important to verify compatibility with your specific Civic model and engine code.
- OEM or OEM-recommended platinum/iridium plugs
- Updated aftermarket brands (NGK, Denso, Bosch, etc.)
- Online marketplaces with cross-checked part numbers
Always confirm the correct heat range and gap specification for your engine before buying, and consider whether a multi-pack or kit offers better value.
Summary
For a Honda Civic, spark plug costs depend mainly on material. Copper plugs are the cheapest, platinum is mid-range, and iridium is the most expensive but offers longer life. A full set runs roughly $8–20 (copper), $24–60 (platinum), or $40–100 (iridium) before labor. Expect additional costs for installation, typically $60–$120 per hour depending on location, unless you DIY. Prices vary by model year, engine, retailer, and region, so compare options and verify compatibility with your specific Civic.