Dealer Group
Bill Kay Auto Group
Bill Kay Auto Group runs 6 locations in 1 state and earns a CarEdge transparency grade of A (93/100) from 31 verified out-the-door quotes.
- Average doc fee
- $393
- Dealer add-ons
- On 27% of quotes
- Top-graded store
- Bill Kay Chevrolet (A)
Verified quotes since 2025
Score Breakdown
Grade Distribution
Across 4 rated locations
100% of locations earned a B or better. No location received an F.
Key Insights
Transparency Score
Scores 93/100, 6.2 points above the national average of 86.8/100.
Add-on Frequency
27% of transactions include an add-on, 10% more often than the national average of 17%.
Listing-to-OTD Gap
Prices run 0.8% above listing on average, better than the national average of 245.6%.
Top performers in this group
All locations
| Dealer | Location | Grade | Score | Quotes | Brand | Doc Fee | Add-on Rate |
|---|---|---|---|---|---|---|---|
| Bill Kay Chevrolet | Lisle, IL | A | 99 | 6 | Chevrolet | $408 | 0% |
| Bill Kay Nissan | Downers Grove, IL | A | 97 | 12 | Nissan | $378 | 17% |
| Bill Kay Buick GMC | Downers Grove, IL | A | 90 | 5 | Buick | $378 | 40% |
| Bill Kay Honda | Bourbonnais, IL | B | 86 | 8 | Honda | $408 | 50% |
| Bill Kay Auto Group | Lisle, IL | Not yetrated | — | — | — | — | — |
| Bill Kay Corvettes & Classics | Downers Grove, IL | Not yetrated | — | — | — | — | — |
Group locations
6 locations across Illinois
Frequently Asked Questions
Is Bill Kay Auto Group a good place to buy a car?
Yes, by CarEdge's measure. Bill Kay Auto Group earns CarEdge transparency grade A (93/100) across 31 verified out-the-door quotes from 4 stores, graded 3 A, 1 B. 100% of its graded stores earn an A or B. Grades vary by store, so check the specific location before you buy.
What do reviews say about Bill Kay Auto Group?
CarEdge reviews Bill Kay Auto Group on 31 verified out-the-door quotes, not star ratings. Bill Kay Auto Group earns CarEdge transparency grade A (93/100) across 31 verified out-the-door quotes from 4 stores, graded 3 A, 1 B. Across those quotes its stores show dealer add-ons on 27% of verified quotes.
What is the doc fee at Bill Kay Auto Group dealerships?
Its stores average a $393 doc fee across 31 verified out-the-door quotes. It ranges from $378 at Bill Kay Nissan in Downers Grove, IL to $408 at Bill Kay Honda in Bourbonnais, IL, partly because doc fee limits differ by state.
Do Bill Kay Auto Group dealerships add dealer add-ons?
CarEdge's verified quotes from Bill Kay Auto Group stores show dealer add-ons on 27% of verified quotes. Ask any store for an itemized out-the-door quote with all dealer add-ons removed before you visit.
Which Bill Kay Auto Group dealership is the best?
Bill Kay Chevrolet in Lisle, IL is Bill Kay Auto Group's highest-graded store on the CarEdge Dealer Transparency Index: grade A (99/100) from 6 verified out-the-door quotes.