How Much Does Spark Plug Replacement Cost in Tennessee?
Tennessee pricing is below the national average. Updated for 2026.
Spark Plug Replacement Pricing in Tennessee
In Tennessee, the average cost for spark plug replacement is $172 for all plugs, which is 14% lower than the national average of $200. Most Tennessee residents pay between $52 and $387.
Tennessee benefits from a lower cost of living than many states, resulting in more affordable pricing for spark plug replacement. This makes it one of the more budget-friendly states for this service.
Spark plugs ignite the air-fuel mixture in your engine. Worn plugs cause misfires, rough idle, poor fuel economy, and hard starting. Most vehicles have 4-8 spark plugs depending on engine size.
Tennessee vs National Average
What Affects Spark Plug Replacement Cost in Tennessee?
Engine
4-cylinder: $60-$200. V6: $150-$300. V8: $200-$450
Plug type
Copper: $2-$5 each. Platinum: $5-$15 each. Iridium: $8-$20 each. Double platinum: $10-$25 each
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Top-Rated Spark Plug Replacement Pros in Tennessee
5 providersAutoPro Auto Center
🏆 SPONSOREDProudly serving TN since 1995. Licensed, insured, and committed to excellence.
Express Motor Works
⭐ PREMIUMProudly serving TN since 2010. Licensed, insured, and committed to excellence.
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💡 Tips to Save on Spark Plug Replacement in Tennessee
- 1.DIY is straightforward on most 4-cylinder engines with basic tools
- 2.Iridium or platinum plugs cost more but last 60,000-100,000 miles
- 3.Don't pay for premium plugs if your car only needs copper
- 4.Bundle with other ignition maintenance (wires, coils) for labor savings
📈 Spark Plug Replacement in Tennessee Cost Trends (2022–2026)
Prices have increased +17.8% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2022 | $146 | — |
| 2023 | $152 | +4.1% |
| 2024 | $162 | +6.6% |
| 2025 | $167 | +3.1% |
| 2026 | $172 | +3.0% |
Based on national averages adjusted for annual inflation. Actual costs vary by location and project scope.
💬 What Did You Pay?
Real costs reported by homeowners for Spark Plug Replacement in Tennessee
Recent Reports
Frequently Asked Questions
How often should spark plugs be replaced?
Copper plugs every 20,000-30,000 miles. Platinum or iridium plugs every 60,000-100,000 miles. Check your owner's manual for your car's specific interval.
Spark Plug Replacement Cost in Other States
Related Cost Guides for Tennessee
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