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A

Billion GMC of Sioux City earns an A.

Early deals look fair on fees and pricing. CarEdge will firm this up as more data comes in.

$180
Doc fee

$9 above IA avg

50%
Dealer add-ons

On 1 of 2 recent quotes

2
Verified quotes →

Price negotiated down on 1 car

Limited confidenceSioux City, IAUpdated How we score dealers

Early read. The grade may shift as we log more deals here.

Location

Sioux City, IA

8 rated dealers within 30 miles · Open full map →

The full story

Why Billion GMC of Sioux City earned this grade

Between July 2026 and July 2026, CarEdge negotiated or logged 2 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

2 things

Doc fee is in line with the market

At $180, their doc fee is within $9 of the IA average of $171. Not exceptional, but nothing to fight over.

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.

2 verified OTD quotes from Billion GMC of Sioux City

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 vehicle transaction — 2 individual quotes

2023 Nissan Titan

PRO-4XUsed2 quotes
$40,924
$180doc fee—Saved $949
View 2 Quotes →

Most Common Add-ons

Optional — ask to remove
accessoriesavg $2,396
1 quote
service contractavg $3,950
1 quote
Quoted Add-ons
theft protectionavg $949
1 quote

At a Glance

Minimal dealer markup above listing price

Tips for Billion GMC of Sioux City

  • 1 of 2 quotes included $949 in add-ons (Theft Protection), not marked optional.
  • A-rated dealer! Focus on vehicle price negotiation, since fees are already competitive.
  • Dealer markup is about 17% below listing (excluding taxes). This dealer keeps their fees minimal.
  • Limited data (2 quotes). Score may change as we collect more information.
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 Billion GMC of Sioux City charge?

Based on 2 verified out-the-door quotes collected by CarEdge, Billion GMC of Sioux City charges a $180 documentation fee and averages $475 in dealer add-ons when present. Billion GMC of Sioux City earns Transparency Grade A, based on limited data (2 verified quotes).

What is the doc fee at Billion GMC of Sioux City?

Billion GMC of Sioux City charges a typical documentation fee of $180. The IA average is $171. This is based on 2 verified OTD quotes in our database.

Does Billion GMC of Sioux City add dealer add-ons?

Billion GMC of Sioux City adds an average of $475 in dealer add-ons when present. Dealer add-ons appeared on 1 of 2 recent verified quotes. Ask for an itemized breakdown and negotiate to remove non-essential items like paint protection, nitrogen tire fill, or VIN etching.

Is Billion GMC of Sioux City a good dealership?

Billion GMC of Sioux City earns a Grade A, based on limited data (2 verified quotes). The grade reflects their doc fees, add-on behavior, and dealer markup, and an exact score appears once Billion GMC of Sioux City has 3 verified quotes. This is a well-above-average score, indicating transparent pricing practices.

What do reviews say about Billion GMC of Sioux City?

CarEdge reviews Billion GMC of Sioux City on 2 verified out-the-door quotes, not star ratings. It earns transparency grade A, an early read that may change as more quotes come in, with a typical doc fee of $180 versus an IA average of $171. Dealer add-ons appeared on 1 of 2 recent quotes.

Is Billion GMC of Sioux City a transparent GMC dealer in Sioux City?

CarEdge has limited data on Billion GMC of Sioux City so far. Billion GMC of Sioux City holds CarEdge Transparency Grade A, based on 2 verified out-the-door quotes. The grade may change as more quotes come in.

How does Billion GMC of Sioux City compare to other GMC dealers?

You can compare Billion GMC of Sioux City's transparency score, doc fees, and add-on behavior against other GMC dealers using our comparison tool or by browsing GMC dealers in your area. Scores are based on the same methodology for every dealer. CarEdge's market guide Best GMC Dealerships in the US ranks GMC dealers on the same data.

Explore GMC and Iowa 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 Billion GMC of Sioux City in Sioux City, IA, that has meant 2 verified OTD quotes across 1 negotiated deal 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%)
70
Price Accuracy (30%)
100
Data Quality (10%)
100

Doc Fee Comparison

This dealer$180
IA avg$171
National avg$404

Pulled 2 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.