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Simpson Buick GMC earns an A.
Early deals look fair on fees and pricing. CarEdge will firm this up as more data comes in.
- $85
- Doc fee
- None
- Dealer add-ons
At the CA avg
In 4 recent quotes
Developing confidenceBuena Park, CAUpdated How we score dealers
The full story
Why Simpson Buick GMC earned this grade
Between September 2025 and July 2026, CarEdge negotiated or logged 4 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
3 thingsDoc fee is in line with the market
At $85, their doc fee sits at or just under the CA average. Not exceptional, but nothing to fight over.
No dealer add-ons detected
Across 4 recent quotes, we haven't seen a single "dealer accessory," "paint protection," or "theft deterrent" line item. That is rare, and it is good.
The price you see is the price you get
Their quoted selling price almost exactly matches the advertised listing price. No mystery markup, no surprise "market adjustment."
4 verified OTD quotes from Simpson Buick GMC
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
4 verified quotes
At a Glance
Tips for Simpson Buick GMC
- A-rated dealer! Focus on vehicle price negotiation, since fees are already competitive.
- Doc fee ($85) is at or below CA average. One less thing to negotiate.
- This dealer typically doesn't add mandatory dealer add-ons. That's a good sign of transparency.
- Dealer markup is about 7% below listing (excluding taxes). This dealer keeps their fees minimal.
Keep researching
Look up another dealer by name, brand, city, or zip.
On the lot right now
Separate from the grade above: this is what's currently listed. Useful for spotting aging stock with room to negotiate.
Current Inventory
View all 240 vehicles →$66,534
Median Price
45
Median Days Listed
24
Added This Week
Days on Market
How long vehicles have been listed. Older stock means more room to negotiate.
Nearby Rated Dealers
These dealers near Buena Park have transparency scores based on verified pricing data.
CarEdge Certified near Buena Park
Frequently Asked Questions
What fees does Simpson Buick GMC charge?
Based on 4 verified out-the-door quotes collected by CarEdge, Simpson Buick GMC charges a $85 documentation fee and typically adds no mandatory dealer add-ons. Simpson Buick GMC earns Transparency Grade A (100/100).
What is the doc fee at Simpson Buick GMC?
Simpson Buick GMC charges a typical documentation fee of $85. The CA average is $85. This is based on 4 verified OTD quotes in our database.
Does Simpson Buick GMC add dealer add-ons?
Based on our data, quotes from Simpson Buick GMC typically do not include dealer add-ons. When add-ons do appear, some may be marked optional. Dealer add-ons appeared on 0 of 4 recent verified quotes.
Is Simpson Buick GMC a good dealership?
Simpson Buick GMC has a transparency score of 100/100, earning a Grade A. This score is based on their doc fees, add-on behavior, dealer markup, and data quality from 4 verified OTD quotes. This is a well-above-average score, indicating transparent pricing practices.
What do reviews say about Simpson Buick GMC?
CarEdge reviews Simpson Buick GMC on 4 verified out-the-door quotes, not star ratings. It earns transparency grade A (100/100), with a typical doc fee of $85 versus a CA average of $85. None of its 4 recent quotes included dealer add-ons.
Is Simpson Buick GMC a transparent Buick dealer in Buena Park?
Yes. Simpson Buick GMC holds CarEdge Transparency Grade A (100/100), based on 4 verified out-the-door quotes. That is well above average on doc fees, add-ons and pricing accuracy.
How does Simpson Buick GMC compare to other Buick dealers?
You can compare Simpson Buick GMC's transparency score, doc fees, and add-on behavior against other Buick dealers using our comparison tool or by browsing Buick dealers in your area. Scores are based on the same methodology for every dealer. CarEdge's market guides Best Buick Dealerships in Los Angeles, Best Buick Dealerships in Riverside-San Bernardino, Best Buick Dealerships in California and Best Buick Dealerships in the US rank Buick dealers on the same data.
Explore Buick and California 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 Simpson Buick GMC in Buena Park, CA, that has meant 4 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 stick you with mandatory add-ons like paint protection or theft deterrent — the kind you can't say no to? Add-ons the dealer discloses as optional don't count against them.
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 A.
Doc Fee Comparison
Pulled 4 quote records · Grades update as new data comes in · Dealers cannot pay to change their score.
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