CarEdge

Castle Automotive Group

Downers Grove, IL·17 verified quotes*

Dec 29, 2025Feb 27, 2026· Score updated Apr 11, 2026

A
CarEdgeVerified
Transparent Dealer
Score: 95.4/100
Add-on Rate
18%of quotes

Avg $1,163 when present

Learn how dealer fees work

Castle Automotive Group Review

Based on 17 verified OTD quotes from Dec 2025 to Feb 2026, Castle Automotive Group earns a Grade A (95.4/100). Their typical doc fee of $378 is close to the IL average ($331). When present, add-ons average $205, which is relatively low. Buyers who negotiated saved an average of $962.

Transparency Score Breakdown

Fee Transparency (30%)
95
Add-on Behavior (30%)
89
Price Accuracy (30%)
100
Data Quality (10%)
100
  • Doc fee ($378) is slightly above IL average ($374)
  • Average dealer add-ons of $1,163 when present
  • Fees average 1.6% above listing (~$560 on a $35k vehicle) — minimal

Doc Fee Comparison

This dealer$378
IL avg$374
National avg$400

Recent Quotes

Verified out-the-door prices from real transactions

7 vehicle transactions17 individual quotes

2025 Mazda CX-5

New6 quotes
$37,774
$378doc feeNo add-onsSaved $1,631
View 6 Quotes →

2025 Mazda CX-90

Sport Utility
$37,765
$378doc feeNo add-ons
View Quote →

2025 Mazda CX-5

New
$36,571
$378doc feeNo add-ons
View Quote →

2025 Volkswagen Golf GTI

New3 quotes
$41,210
$378doc feeNo add-onsSaved $765
View 3 Quotes →

2022 Mazda CX-5

Used2 quotes
$28,074
$378doc feeNo add-onsSaved $1,092
View 2 Quotes →

2026 Mazda Mazda3 Hatchback

New3 quotes
$34,424
$378doc feeNo add-onsSaved $360
View 3 Quotes →

2026 Hyundai Palisade

New
$58,067
$368doc feeNo add-ons
View Quote →

Most Common Add-ons

1
protection planavg $1,163
3 quotes

Frequently Asked Questions

What is Castle Automotive Group's doc fee?

Castle Automotive Group charges a typical documentation fee of $378. The IL average is $331. This is based on 17 verified OTD quotes in our database.

Does Castle Automotive Group add mandatory add-ons?

Castle Automotive Group adds an average of $205 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 Castle Automotive Group a good dealer?

Castle Automotive Group has a transparency score of 95.4/100, earning a Grade A. This score is based on their doc fees, add-on behavior, dealer markup, and data quality from 17 verified OTD quotes. This is a well-above-average score, indicating transparent pricing practices.

At a Glance

Minimal dealer markup above listing price
CarEdge

Get an even better deal

Even with a transparent dealer, CarEdge Pro can save you more. Average savings: $2,200.

Try CarEdge Pro

Tips for Castle Automotive Group

  • Minor add-ons (~$205) may appear. Ask what's included and if they can be removed.
  • A-rated dealer! Focus on vehicle price negotiation—fees are already competitive.
  • Doc fee ($378) is at or below national average. One less thing to negotiate.
  • Dealer markup is only +2% above listing (excluding taxes). This dealer keeps their fees minimal.
How are scores calculated? →

*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.