Best Car Dealers in Illinois

As of July 2026, CarEdge grades 557 of 2120 Illinois car dealers from 2,273 verified out-the-door quotes. Illinois's average doc fee is $364.

360 of 557 rated Illinois dealers earn an A · 77 earn a D or F

Data updated Jul 8, 2026 · How we score dealers

The Prairie State

Illinois's dealer grade: B

83/100 average transparency score

32nd highest doc fees in the U.S.

Based on 557 dealers with verified quotes.

$364
Avg Doc Fee
64%
No Add-ons
83/100
Avg Score
2,273
Verified Quotes

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Illinois doc fee law

Illinois caps documentation fees by statute and adjusts the limit annually for inflation (around $347). Because nearly every Illinois dealer charges the maximum, the real negotiation is on price and add-ons.

Illinois Dealer FAQ

What is the average dealer doc fee in Illinois?

As of July 2026, the average documentation fee at 557 rated Illinois dealers is $364, based on 2,273 verified out-the-door quotes collected by CarEdge. State law caps Illinois doc fees at approximately $347.

Who are the best car dealers in Illinois?

Laurel BMW Of Westmont, Mercedes-Benz Of Romeoville, Mercedes-Benz Of St. Charles lead the Illinois transparency rankings. 360 of 557 rated Illinois dealers earned an A grade for fair fees, minimal add-ons, and honest pricing.

How are Illinois dealers graded?

Each dealer is scored 0-100 from verified out-the-door price quotes: fee transparency (30%), add-on behavior (30%), price accuracy (30%), and data quality (10%). Grades update as new Illinois quotes are verified.

How Illinois compares to its neighbors

Average doc fees next door. Crossing a state line can change what the dealer charges.

Tips for Buying a Car in Illinois

  • Know the doc fee: The average doc fee in Illinois is $364. If a dealer charges significantly more, ask them to reduce it or consider other options.
  • Good news on add-ons: 64% of dealers in Illinois charge no mandatory add-ons.
  • Get multiple quotes: Request OTD quotes from at least 3 dealers to compare total prices, not just sticker prices.
  • Check transparency scores: Dealers with scores above 80 typically have fair doc fees and minimal add-ons.