Transparency Verdict
Castle Buick GMC Of North Riverside earns a B.
Early read: mostly fair.
Based on a small number of verified deals so far, fees and pricing look fair. Read the out-the-door carefully and we'll update as we gather more.
Limited confidence — based on 1 verified out-the-door quote · North Riverside, IL
Collected Apr 11, 2026 – Apr 11, 2026 · Updated Jul 25, 2026
Early read. The grade may shift as we log more deals here.
The full story
Why Castle Buick GMC Of North Riverside earned this grade
Between April 2026 and April 2026, CarEdge negotiated or logged 1 verified deals with this dealership. We pulled the doc fee, the add-ons, and the gap between advertised and out-the-door price from each one. Then we graded them the way a friend in the business would: on the things that actually cost you money.
✓ What they do well
1 thingDoc fee is in line with the market
At $368, their doc fee sits at or just under the IL average. Not exceptional, but nothing to fight over.
1 verified OTD quote from Castle Buick GMC Of North Riverside
Real out-the-door worksheets, not reviews. Click “View Quote” on any row to see the price breakdown.
Recent Quotes
Verified out-the-door prices from real transactions
1 verified quote
At a Glance
Tips for Castle Buick GMC Of North Riverside
- Doc fee ($368) is at or below national average. One less thing to negotiate.
- This dealer typically doesn't add mandatory dealer add-ons. That's a good sign of transparency.
- Limited data (1 quotes). Score may change as we collect more information.
Keep researching
Look up another dealer by name, brand, city, or zip.
Nearby Rated Dealers
These dealers near North Riverside have transparency scores based on verified pricing data.
Frequently Asked Questions
What fees does Castle Buick GMC Of North Riverside charge?
Based on 1 verified out-the-door quote collected by CarEdge, Castle Buick GMC Of North Riverside charges a $368 documentation fee and typically adds no mandatory dealer add-ons. Castle Buick GMC Of North Riverside earns Transparency Grade B (87.5/100).
What is Castle Buick GMC Of North Riverside's doc fee?
Castle Buick GMC Of North Riverside charges a typical documentation fee of $368. The IL average is $371. This is based on 1 verified OTD quotes in our database.
Does Castle Buick GMC Of North Riverside add mandatory add-ons?
Based on our data, Castle Buick GMC Of North Riverside does not typically add mandatory dealer add-ons to their quotes. This is a positive sign for buyers.
Is Castle Buick GMC Of North Riverside a good dealer?
Castle Buick GMC Of North Riverside has a transparency score of 87.5/100, earning a Grade B. This score is based on their doc fees, add-on behavior, dealer markup, and data quality from 1 verified OTD quotes. This is a well-above-average score, indicating transparent pricing practices.
Explore Buick and Illinois dealer data
How we know this
Every number on this page came from a real deal.
Most dealer review sites scrape star ratings and count angry posts. We do the opposite. CarEdge shops for cars alongside thousands of real buyers every week — and when we negotiate on their behalf, we capture the full out-the-door breakdown the dealer sends back.
For Castle Buick GMC Of North Riverside in North Riverside, IL, that has meant 1 verified OTD quotes logged into our database. Each one is a PDF, an email, or a screenshot showing the actual doc fee, the actual add-ons, and the actual final price — not a salesperson's promise.
Fee Transparency
30%Is the doc fee reasonable, or is it just profit? We compare it against the state average — and the legal cap, where one exists.
Add-on Behavior
30%How often does the dealer try to stick on paint protection, theft deterrent, or nitrogen tires? And when they do, how much do they cost you?
Price Accuracy
30%Does the advertised listing price match what you'd actually sign for? We flag dealers whose out-the-door diverges from the listing.
Data Quality
10%More data = more trustworthy grade. Dealers with lots of recent, complete quotes score higher for consistency.
The four numbers behind the grade
Weighted ScoreThe raw component scores — the math that led to B.
Doc Fee Comparison
Pulled 1 quote records · Grades update as new data comes in · Dealers cannot pay to change their score.
Shop this dealer with confidence
CarEdge Pro unlocks real dealer invoice data, target prices, and out-the-door estimates so you walk in already knowing the right number.
Try CarEdge Pro*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.