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U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
OAV

2018 Toyota Sienna XLE

2018 Toyota SiennaView this vehicle at sunrise ford of fontana →

Vehicle Details

VIN5TDYZ3DC6JS944401
TrimXLE
Exterior ColorWhite
DrivetrainFWD
Engine3.5L V6
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot4

XLE

Overpriced
$29,80043,707 mi

Fontana, CA 92335

Is this 2018 Toyota Sienna XLE a good deal?

OAV verdict: Overpriced

Why: Listed at $29,800, comparable market range $12,395–$25,153, based on 15 comparable listings. Listed 4 days.

Market price position

$29,800 · $4,647 above market high

Comparable range
$12,395 – $25,153
vs. market high
+ $4,647 (18% above)
Comparable vehicles
15

Market Retail Price (MRP™)

$18,774

This vehicle $29,800 · $11,026 (59%) above MRP

MRP™ is the midpoint of the comparable market range — the representative price the market is asking for similar vehicles. How MRP works.

True Retail Value (TRV™)

$29,848

This vehicle $29,800 · $48 (0%) below TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-09-01) — an estimate, not an appraisal. How TRV works.

Comparable vehicles nationally recently sold in an estimated 950 days.

Market Breakdown

Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges are rebuilt from the market snapshot shown above.

Local Range$24,985 – $24,985
Regional Range$12,395 – $25,153

Sunrise Ford Of Fontana

Fontana, CA

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OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.

About This 2018 Toyota Sienna

Listing updated: Sep 1, 2026

Listed by a franchise dealer in Fontana, CA · On lot for 4 days · VIN verifiable at NHTSA

This used 2018 Toyota Sienna XLE is listed at $29,800 by sunrise ford of fontana in Fontana, CA 92335. It has 43,707 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is White. It features a FWD drivetrain with a 3.5L V6 engine and Automatic transmission.

OAV's independent, evidence-backed Price-to-Market analysis rates this vehicle as Overpriced — priced above market value. Based on 15 comparable listings matched to this vehicle, the estimated market range is $12,395 to $25,153. These comparisons match year, make, and model, using trim where trim data supports it. OAV does not adjust comparables for odometer — where mileage would distort a verdict, it withholds one instead.

This vehicle has been on the lot for 4 days.

Analysis powered by OAV's patented inventory standardization technology (U.S. Patent No. 12,236,477).

Market context

This listing is part of OAV's broader Fontana, CA minivans market analysis. OAV compares vehicles by local and regional price-to-market ranges and comparable count; days-on-lot and demand signals are shown separately, not as verdict inputs.

How this deal is rated

OAV compares this 2018 Toyota Sienna against similar vehicles currently available for sale — same make, model, and year range, using trim where trim data supports it. OAV does not adjust comparables for odometer; on very high-mileage vehicles it withholds a verdict rather than overstate a discount the odometer explains. Based on where this listing falls in that comparable set, it is rated:

  • Great Deal — priced below the comparable-range floor by a meaningful margin (OAV's minimum-gap rule); a listing below the floor by less than that margin is Fair Price.
  • Fair Price — priced within the expected range for comparable vehicles.
  • Overpriced — priced above the typical range for comparable vehicles.

Listings show OAV's PTM-derived deal quality and live market context. OAV-claimed dealers manage their listing profile and route buyer inquiries directly. Paid OAV partners can surface additional verification signals, but commercial participation never changes a listing's Price-to-Market verdict, eligibility, ranking, or confidence.

How this listing is verified

This vehicle listing was aggregated from a franchise dealer in Fontana, CA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 5TDYZ3DC6JS944401 can be independently verified via the U.S. Department of Transportation's NHTSA VIN decoder, and safety recalls at NHTSA's recall database.

Vehicle attributes (year, make, model, trim, mileage, location) are standardized using OAV's patented methodology (U.S. Patent No. 12,236,477), which normalizes naming conventions and deduplicates cross-listed inventory across the dealership network. Listing data is processed daily; Price-to-Market analysis uses comparable vehicles.

2018 Toyota Sienna Market in CA

CA Market Listings

285

Average Price

$22,455

Price Range

$13,998–$34,296

Avg Days on Lot

80

Based on all 285 2016-2020 Toyota Sienna listings in the CA market, the average asking price is $22,455. This listing at $29,800 is $7,345 above the broader CA average (33% above the CA average). This is a wider, all-trim comparison across CA; OAV's price verdict above uses the closer comparable set. Comparable prices in CA range from $13,998 to $34,296. Similar vehicles spend an average of 80 days on dealer lots in this market.

Similar Toyota Sienna Listings in CA

8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: XLE — compare trims below)