How Much Does Spark Plug Replacement Cost in Knoxville, TN?
Knoxville pricing is 15% below the national average. Updated for 2026.
Based on local labor rates, varied climate conditions, and Knoxville's diversified economy.See our methodology
Spark Plug Replacement Pricing in Knoxville, TN
Knoxville is one of the more affordable markets for spark plug replacement, with costs running about 15% below the national average. The city's diversified economy and balanced labor market create favorable conditions for competitive pricing. Getting multiple quotes from the 190K-population metro area is straightforward.
Local climate plays a direct role in spark plug replacement costs here. Extreme heat drives heavy HVAC demand; severe storms create periodic repair surges.
Market-specific factors matter in Knoxville: no state income tax in many Southern states helps keep overall costs lower.
Knoxville has moderate permitting requirements. Depending on the scope of your spark plug replacement project, you may need local permits. A licensed contractor will handle the permitting process as part of the job in most cases.
Knoxville vs National Average
What Affects Spark Plug Replacement Cost in Knoxville?
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
Knoxville Market Conditions
no state income tax in many Southern states helps keep overall costs lower
Local Climate Impact
extreme heat drives heavy HVAC demand; severe storms create periodic repair surges
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Top-Rated Spark Plug Replacement Pros in Knoxville, TN
5 providersHonest Automotive
⭐ PREMIUMServing Knoxville and surrounding areas since 1996. Licensed, insured, and committed to quality workmanship at fair prices.
Master Automotive
Master Auto Service
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Tips to Save on Spark Plug Replacement in Knoxville
- 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 Knoxville Cost Trends (2020–2024)
Prices have increased +17.2% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2020 | $145 | — |
| 2021 | $151 | +4.1% |
| 2022 | $161 | +6.6% |
| 2023 | $165 | +2.5% |
| 2024 | $170 | +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 Knoxville
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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.
Why does spark plug replacement cost different in Knoxville than other cities?
Knoxville's costs reflect local labor rates driven by the diversified economy, varied climate conditions that affect materials and scheduling, and moderate permitting requirements. The balanced labor market also influences competitive pricing.
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