Vehicle price comparison
Honda Pilot vs Toyota Sienna 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 Toyota Sienna engine computer cost more?
A used Toyota Sienna engine computer carries a median asking price of $188, which is 34% higher than the Honda Pilot at $125. Supply also plays a role: Honda Pilot has 5,113 priced listings versus 755 for Toyota Sienna, and more listings generally mean more choices and more competitive pricing.
The Honda Pilot average ($146) runs 17% above its median ($125), indicating a tail of high-priced listings — likely low-mileage or remanufactured units pulling the average up.
The Honda Pilot engine computer is interchangeable across 15 model years versus just 11 for the Toyota Sienna — that wider compatibility window means more donor vehicles in salvage yards and tends to push prices lower.
At Grade A (excellent) condition, the Honda Pilot is 30% cheaper ($130 vs $185) — the gap narrows 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
Honda Pilot Engine Computer
$29 – $544 · 5,113 listings
Full price guide
Toyota Sienna Engine Computer
$42 – $493 · 755 listings
Common questions
Honda Pilot vs Toyota Sienna engine computer FAQ
Is a used Honda Pilot engine computer cheaper than a Toyota Sienna?
Honda Pilot has the lower median by $63 (34%). The Honda Pilot engine computer ranges from $29 to $544 across 5,113 listings, while the Toyota Sienna ranges from $42 to $493 across 755 listings.
Can I use a Honda Pilot engine computer in a Toyota Sienna?
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 5,113 priced Honda Pilot listings and 755 priced Toyota Sienna listings — 5,868 in total.
How does condition grade affect the price?
Part condition significantly impacts price. Grade A (Excellent): Honda Pilot $130 vs Toyota Sienna $185. Grade B (Good): Honda Pilot $125 vs Toyota Sienna $215. Grade C (Fair): Honda Pilot $100 vs Toyota Sienna $200. 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 Pilot engine computer has 5 trim variants and the Toyota Sienna has 2. Variants differ by engine size, drivetrain, or part number — matching the right variant is critical for proper fitment.
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