Vehicle price comparison
Toyota RAV4 vs Mazda Miata Engine Computer prices
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
Price face-off
Median price comparison
Condition comparison
How does the price differ by part grade?
Market analysis
Why does the Mazda Miata engine computer cost more?
A used Mazda Miata engine computer carries a median asking price of $165, which is 2% higher than the Toyota RAV4 at $161. Supply also plays a role: Toyota RAV4 has 4,156 priced listings versus 548 for Mazda Miata, and more listings generally mean more choices and more competitive pricing.
Our guide covers 11 model years for the Toyota RAV4 (2015–2025) but only 9 for the Mazda Miata (2015–2025), so the Toyota RAV4 data reflects a broader range of generations.
At Grade B (good) condition, the Mazda Miata is 37% cheaper ($99 vs $156) — the gap widens compared to the overall median difference.
Buyer's checklist
What to check before buying a used engine computer
- Match the hardware part number and catch code exactly, as internal board architecture varies even within the same vehicle year and engine family.
- Confirm security anti-theft (PATS, PASS-Key, or Immobilizer) pairing requirements, as used ECMs almost always require VIN programming before starting the vehicle.
- Inspect connector headers for bent pins, thermal discoloration, or green corrosion indicating water leakage through the wiring harness plug.
- Verify emission tier compatibility (Federal/EPA vs. California CARB standards) and transmission control integration (PCM vs standalone ECM/TCM).
Full price guide
Toyota RAV4 Engine Computer
$48 – $510 · 4,156 listings
Full price guide
Mazda Miata Engine Computer
$30 – $705 · 548 listings
Common questions
Toyota RAV4 vs Mazda Miata engine computer FAQ
Is a used Toyota RAV4 engine computer cheaper than a Mazda Miata?
Toyota RAV4 has the lower median by $4 (2%). The Toyota RAV4 engine computer ranges from $48 to $510 across 4,156 listings, while the Mazda Miata ranges from $30 to $705 across 548 listings.
Can I use a Toyota RAV4 engine computer in a Mazda Miata?
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 4,156 priced Toyota RAV4 listings and 548 priced Mazda Miata listings — 4,704 in total.
How does condition grade affect the price?
Part condition significantly impacts price. Grade A (Excellent): Toyota RAV4 $162 vs Mazda Miata $178. Grade B (Good): Toyota RAV4 $156 vs Mazda Miata $99. 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 Toyota RAV4 engine computer has 13 trim variants and the Mazda Miata has 2. Variants differ by engine size, drivetrain, or part number — matching the right variant is critical for proper fitment.
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