Bill Kay Buick GMC
Downers Grove, IL·2 verified quotes*
Dec 4, 2025 – Apr 3, 2026· Score updated Apr 7, 2026
Limited data. This score is based on 2 quotes and may change as more data becomes available.
VerifiedAvg $1,295 when present
Current Inventory
View all 211 vehicles →$42,500
Median Price
93
Median Days Listed
27
Added This Week
Price vs. Days on Lot
Vehicles in the upper-right are expensive and slow to sell — best negotiation opportunities.
Days on Market
How long vehicles have been listed. Older stock means more room to negotiate.
Transparency Score Breakdown
- Doc fee ($373) is at or below IL average ($375)
- Average dealer add-ons of $1,295 when present
- Price accuracy is excellent — quotes closely match advertised prices
Doc Fee Comparison
Recent Quotes
Verified out-the-door prices from real transactions
2 verified quotes
Most Common Add-ons
Nearby Rated Dealers
These dealers near Downers Grove have transparency scores based on verified pricing data.
Frequently Asked Questions
What is Bill Kay Buick GMC's doc fee?
Bill Kay Buick GMC charges a typical documentation fee of $373. The IL average is $331. This is based on 2 verified OTD quotes in our database.
Does Bill Kay Buick GMC add mandatory add-ons?
Bill Kay Buick GMC adds an average of $648 in dealer add-ons when present. Ask for an itemized breakdown and negotiate to remove non-essential items like paint protection, nitrogen tire fill, or VIN etching.
Is Bill Kay Buick GMC a good dealer?
Bill Kay Buick GMC has a transparency score of 86.7/100, earning a Grade B. This score is based on their doc fees, add-on behavior, dealer markup, and data quality from 2 verified OTD quotes. This is a well-above-average score, indicating transparent pricing practices.
At a Glance
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Try CarEdge ProTips for Bill Kay Buick GMC
- Expect ~$648 in add-ons. Items like "dealer accessories," paint protection, and theft deterrent are typically negotiable.
- Doc fee ($373) is at or below national average. One less thing to negotiate.
- Dealer markup is about 4% below listing (excluding taxes). This dealer keeps fees very low.
- Limited data (2 quotes). Score may change as we collect more information.
*Information provided for general informational purposes only. Scores are independently calculated and do not imply endorsement of or affiliation with any dealer. Verify all information independently before making a purchase decision. See our Terms of Service.