Illinois Dealer Fee Report
How transparent are car dealers in Illinois? We analyzed 3,251 verified OTD quotes from 787 dealers to reveal what buyers actually pay in doc fees, add-ons, and markup.
As of August 2026, the average doc fee at 645 rated Illinois dealers is $367, $33 below the national average, based on 3,251 verified out-the-door quotes collected by CarEdge.
Data updated Aug 16, 2026 · How we score dealers
The Prairie State
Illinois's dealer grade: B
83/100 average transparency score
35th highest doc fees in the U.S.
Key Findings
- Illinois has the 35th-highest average doc fee of the 51 states we track, at $367.
- 526 of 787 rated Illinois dealers earned an A for transparency; 111 earned a D or F.
- Kc Summers Auto Group in Mattoon is the state's most transparent dealer at 100/100 from 4 verified quotes.
- Verified doc fees in Illinois range from $35 to $2,484 — Midway Autohaus charges the most.
- The most common dealer add-on in Illinois is accessories, appearing on 41% of itemized quotes at an average of $1,502.
Illinois Dealer Grade Distribution
Top 10 Most Transparent Dealers in Illinois
The most transparent dealers in Illinois, from verified pricing data (3+ quotes each).
Kc Summers Auto Group
Mattoon, IL
No mandatory add-ons · 4 verified quotes
See the quotesMcgrath Evanston Subaru
Skokie, IL
No mandatory add-ons · 4 verified quotes
See the quotesMcgrath Elmhurst Toyota
Elmhurst, IL
No mandatory add-ons · 10 verified quotes
See the quotesMcgrath City Hyundai
Chicago, ILChicago, IL
Uftring Subaru
East Peoria, ILEast Peoria, IL
Mcgrath Acura Of Westmont
Westmont, ILWestmont, IL
Fields Volvo Cars Northfield
Northfield, ILNorthfield, IL
Fox Valley Volkswagen Crystal Lake
Crystal Lake, ILCrystal Lake, IL
Marino Chrysler Jeep Dodge Ram
Chicago, ILChicago, IL
Genesis Of Aurora
Aurora, ILAurora, IL
Look up any dealer’s transparency grade
Search any dealer in Illinois or nationwide by name, brand, city, or zip.
Highest Doc Fees in Illinois
These Illinois dealers charge the most in documentation fees. The state average is $367.
| # | Dealer | Doc Fee | Quotes |
|---|---|---|---|
| 1 | Midway Autohaus | $1,663 | 7 |
| 2 | Fields BMW | $882 | 17 |
| 3 | Nissan Of Elgin | $622 | 6 |
| 4 | Icars Chicago | $552 | 4 |
| 5 | Thomas Nissan Of Joliet | $481 | 3 |
| 6 | Fields Chrysler Jeep Dodge Ram | $477 | 4 |
| 7 | Heller Chevrolet GMC | $458 | 7 |
| 8 | Audi Exchange St. Charles | $413 | 5 |
| 9 | Bill Kay Honda | $413 | 4 |
| 10 | Gerald Nissan Of Matteson | $412 | 10 |
Lowest-Rated Dealers in Illinois
These Illinois dealers have the lowest transparency scores based on fees, add-ons, and markup.
| Dealer | Grade | Doc Fee | Quotes |
|---|---|---|---|
| Freeport Ford | F 40/100 | $368 | 3 |
| Dream Nissan Midwest | F 45/100 | $0 | 3 |
| Kunes Lakes Chevrolet | D 61/100 | $378 | 3 |
| Midway Autohaus | D 64/100 | $1,663 | 7 |
| Bachrodt On State | D 64/100 | $324 | 9 |
| Bill Kay Honda | D 65/100 | $413 | 4 |
| Auto Mart Of Mount Vernon | D 66/100 | $377 | 3 |
| Willowbrook Ford | C 70/100 | $377 | 3 |
| Toyota Of Downtown Chicago | C 70/100 | $378 | 4 |
| Toyota On Western | C 71/100 | $378 | 6 |
Most Common Add-ons in Illinois
The most frequently seen dealer add-ons in Illinois, based on itemized OTD quotes.
Dealers by Brand in Illinois
Which brands have the most transparent dealers in Illinois?
Ford
74 dealers · Avg score: 75/100
Chevrolet
72 dealers · Avg score: 82/100
Chrysler
46 dealers · Avg score: 78/100
Dodge
43 dealers · Avg score: 79/100
Jeep
43 dealers · Avg score: 77/100
Toyota
40 dealers · Avg score: 84/100
Hyundai
37 dealers · Avg score: 77/100
Ram
37 dealers · Avg score: 76/100
Honda
33 dealers · Avg score: 81/100
GMC
31 dealers · Avg score: 84/100
Kia
31 dealers · Avg score: 73/100
Nissan
30 dealers · Avg score: 71/100
Volkswagen
25 dealers · Avg score: 77/100
Buick
25 dealers · Avg score: 83/100
Lincoln
24 dealers · Avg score: 85/100
Ready to buy a car in Illinois? Bring the real numbers.
CarEdge Pro unlocks real dealer invoice data, target prices, and out-the-door estimates on every listing in Illinois — so you walk into a dealership already knowing what you should pay.
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Use our dealer search to find and compare dealers in Illinois by location. See transparency scores, doc fees, and real pricing data before you visit.
How Illinois compares to its neighbors
Average doc fees next door. Crossing a state line can change what the dealer charges.
Illinois Dealer Fee FAQ
What is the average dealer doc fee in Illinois?
As of August 2026, the average documentation fee in Illinois is $367, based on 3,251 verified out-the-door quotes from 645 dealers collected by CarEdge. That is $33 below the $400 national average.
Which Illinois dealers charge the highest doc fees?
Midway Autohaus charges the highest verified doc fee in Illinois at $1,663. Doc fees across the state range from $35 to $2,484.
Who is the most transparent car dealer in Illinois?
Kc Summers Auto Group in Mattoon is the highest-rated dealer in Illinois with a transparency score of 100/100 (Grade A) from 4 verified quotes.
Are dealer doc fees negotiable in Illinois?
Doc fees themselves are often presented as non-negotiable, but the out-the-door price always is: if a Illinois dealer charges a high doc fee, ask for an equivalent discount on the vehicle price. 526 of 787 rated Illinois dealers earned an A for transparent, low-fee pricing.