Vehicle price comparison
Honda Civic vs Mazda 3 Engine Computer prices
Price face-off
Median price comparison
Condition comparison
How does the price differ by part grade?
Market analysis
Why does the Honda Civic engine computer cost more?
A used Honda Civic engine computer carries a median asking price of $125, which is 5% higher than the Mazda 3 at $119. Supply also plays a role: Honda Civic has 4,614 priced listings versus 1,856 for Mazda 3, and more listings generally mean more choices and more competitive pricing.
The Honda Civic average ($153) runs 22% above its median ($125), indicating a tail of high-priced listings — likely low-mileage or remanufactured units pulling the average up.
Our guide covers 10 model years for the Mazda 3 (2015–2025) but only 8 for the Honda Civic (2018–2025), so the Mazda 3 data reflects a broader range of generations.
Full price guide
Honda Civic Engine Computer
$25 – $2,900 · 4,614 listings
Full price guide
Mazda 3 Engine Computer
$15 – $580 · 1,856 listings
Common questions
Honda Civic vs Mazda 3 engine computer FAQ
Is a used Honda Civic engine computer cheaper than a Mazda 3?
Mazda 3 has the lower median by $6 (5%). The Mazda 3 engine computer ranges from $15 to $580 across 1,856 listings, while the Honda Civic ranges from $25 to $2,900 across 4,614 listings.
Can I use a Honda Civic engine computer in a Mazda 3?
This comparison describes pricing, not interchangeability. Even when two parts share similar prices, they may require different engines, trims, electronics, or mounting points. Always match the seller's part number against your VIN before purchasing.
How many listings does this comparison cover?
This comparison draws from 4,614 priced Honda Civic listings and 1,856 priced Mazda 3 listings — 6,470 in total.
How does condition grade affect the price?
Part condition significantly impacts price. Grade A (Excellent): Honda Civic $125 vs Mazda 3 $121. Grade B (Good): Honda Civic $125 vs Mazda 3 $152. Grade C (Fair): Honda Civic $105 vs Mazda 3 $125. Grade A parts are in excellent condition, B is good, and C is fair — always confirm grading criteria with the seller.
Are there different trim variants to choose from?
Yes. The Honda Civic engine computer has 8 trim variants and the Mazda 3 has 2. Variants differ by engine size, drivetrain, or part number — matching the right variant is critical for proper fitment.
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