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A

Lighthouse Buick GMC earns an A.

Fees are reasonable, add-ons are rare, and the final price usually matches the listing.

$377
Doc fee

$7 above IL avg

None
Dealer add-ons

In 8 recent quotes

8
Verified quotes →

Price negotiated down on 2 cars

Developing confidenceMorton, ILUpdated How we score dealers

Location

Morton, IL

8 rated dealers within 30 miles · Open full map →

The full story

Why Lighthouse Buick GMC earned this grade

Between December 2025 and October 2026, CarEdge negotiated or logged 8 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 things

Doc fee is in line with the market

At $377, their doc fee is within $7 of the IL average of $370. Not exceptional, but nothing to fight over.

No dealer add-ons detected

Across 8 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."

! Where to push back:Nothing glaring. That's part of why they scored where they did.

8 verified OTD quotes from Lighthouse 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

5 vehicle transactions — 8 individual quotes

2027 GMC Terrain

ElevationNew
$41,251
$377doc feeNo add-ons
View Quote →

2026 GMC Sierra 2500HD

AT4New
$103,107
$377doc feeNo add-ons
View Quote →

2026 GMC Yukon XL

Elevation
$84,154
$377doc feeNo add-ons
View Quote →

2026 GMC Canyon

AT4X3 quotes
$60,000
$377doc feeNo add-onsSaved $2,299
View 3 Quotes →

2021 Buick Encore

PreferredUsed2 quotes
$20,399
$367doc feeNo add-onsSaved $532
View 2 Quotes →

At a Glance

No mandatory add-ons detected
Minimal dealer markup above listing price

Tips for Lighthouse Buick GMC

  • A-rated dealer! Focus on vehicle price negotiation, since fees are already competitive.
  • This dealer typically doesn't add mandatory dealer add-ons. That's a good sign of transparency.
  • Dealer markup is about 1% below listing (excluding taxes). This dealer keeps their fees minimal.
Live inventory

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.

Frequently Asked Questions

What fees does Lighthouse Buick GMC charge?

Based on 8 verified out-the-door quotes collected by CarEdge, Lighthouse Buick GMC charges a $377 documentation fee and typically adds no mandatory dealer add-ons. Lighthouse Buick GMC earns Transparency Grade A (100/100).

What is the doc fee at Lighthouse Buick GMC?

Lighthouse Buick GMC charges a typical documentation fee of $377. The IL average is $371. This is based on 8 verified OTD quotes in our database.

Does Lighthouse Buick GMC add dealer add-ons?

Based on our data, quotes from Lighthouse 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 8 recent verified quotes.

Is Lighthouse Buick GMC a good dealership?

Lighthouse 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 8 verified OTD quotes. This is a well-above-average score, indicating transparent pricing practices.

What do reviews say about Lighthouse Buick GMC?

CarEdge reviews Lighthouse Buick GMC on 8 verified out-the-door quotes, not star ratings. It earns transparency grade A (100/100), with a typical doc fee of $377 versus an IL average of $370. None of its 8 recent quotes included dealer add-ons.

Is Lighthouse Buick GMC a transparent Buick dealer in Morton?

Yes. Lighthouse Buick GMC holds CarEdge Transparency Grade A (100/100), based on 8 verified out-the-door quotes. That is well above average on doc fees, add-ons and pricing accuracy.

How does Lighthouse Buick GMC compare to other Buick dealers?

You can compare Lighthouse 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 Illinois and Best Buick Dealerships in the US rank Buick dealers on the same data.

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 Lighthouse Buick GMC in Morton, IL, that has meant 8 verified OTD quotes across 2 negotiated deals 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 Score

The raw component scores — the math that led to A.

Fee Transparency (30%)
99
Add-on Behavior (30%)
100
Price Accuracy (30%)
100
Data Quality (10%)
100

Doc Fee Comparison

This dealer$377
IL avg$370
National avg$404

Pulled 8 quote records · Grades update as new data comes in · Dealers cannot pay to change their score.

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*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.