Best Cadillac Dealerships in Houston, Ranked by CarEdge Data

This is the CarEdge Dealer Transparency Index ranking for Cadillac dealers in the Houston metro. We graded every Cadillac dealer in the area with enough verified out-the-door quotes to score with confidence — using real PDFs, emails, and signed deals, not Google star ratings.

5 Cadillac dealers in Houston currently clear the data threshold. It’s a smaller field — 2 more Cadillac dealers are tracked below but do not yet have enough verified quotes to grade — so treat this as a focused shortlist and still gather your own quotes. Here’s how they rank.

Last updated November 1, 2026. CarEdge refreshes these rankings daily as new verified out-the-door quotes come in.

What is the best Cadillac dealer in Houston?

The best Cadillac dealer in Houston by verified out-the-door price data is Sewell Cadillac Of Houston (Houston, TX): A grade, 96/100 across 5 verified quotes, with no dealer add-ons in any verified quote.

Close behind:

2. Tom Peacock Cadillac (Houston), B grade, 88/100 across 8 verified quotes, with a $225 doc fee, under the TX average of $227.
3. Big Star Cadillac (Friendswood), B grade, 88/100 across 4 verified quotes, with a $225 doc fee, under the TX average of $227.

Best for:

• Lowest doc fee: Sewell Cadillac Of Houston (Houston), $225, against the TX average of $227.
• No dealer add-ons: Sewell Cadillac Of Houston (Houston), none in any of its 5 verified quotes.
• Selling price under the listing: Sewell Cadillac Of Houston (Houston), quotes average 3.1% below the advertised price.

Among the A and B dealers ranked on this page.

Full ranking, fees and add-on data for every graded dealer are below.

Top 5 Cadillac Dealers in Houston

Ranked by CarEdge transparency score, highest to lowest. Each dealer profile links to the full review with verified out-the-door quotes.

#1 — Sewell Cadillac Of Houston

Grade: A · Score: 96/100 · Houston, TX

Sewell Cadillac Of Houston is the top-graded Cadillac dealer in the Houston metro by verified data — A grade, 96/100, based on 5 verified OTD quotes.

• Doc fee: $225 — below the TX average of $227
• Add-ons: None detected in verified quotes
• Listing accuracy: 3.1% below the advertised listing
• Verified quotes: 5

See full review & verified quotes →

#2 — Tom Peacock Cadillac

Grade: B · Score: 88/100 · Houston, TX

Tom Peacock Cadillac earns a solid B on verified data — a doc fee at or below the TX average. The one watch-out: add-ons show on 38% of quotes (avg $596).

• Doc fee: $225 — below the TX average of $227
• Add-ons: 38% of quotes, avg $596
• Listing accuracy: 1.4% above the advertised listing
• Verified quotes: 8

See full review & verified quotes →

#3 — Big Star Cadillac

Grade: B · Score: 88/100 · Friendswood, TX

Big Star Cadillac quotes prices within 0.7% of the advertised listing — one of the cleanest pricing patterns on this list.

• Doc fee: $225 — below the TX average of $227
• Add-ons: 50% of quotes, avg $1,458
• Listing accuracy: 0.7% below the advertised listing
• Verified quotes: 4

See full review & verified quotes →

#4 — Bayway Cadillac Of The Woodlands

Grade: C · Score: 76/100 · The Woodlands, TX

Bayway Cadillac Of The Woodlands grades a C — add-ons appear on 94% of verified quotes, averaging $2,681. Ask for an itemized OTD before signing.

• Doc fee: $225 — below the TX average of $227
• Add-ons: 94% of quotes, avg $2,681
• Listing accuracy: 3.6% above the advertised listing
• Verified quotes: 17

See full review & verified quotes →

#5 — Bayway Cadillac Southwest

Grade: C · Score: 73/100 · Houston, TX

Bayway Cadillac Southwest grades a C — add-ons appear on 100% of verified quotes, averaging $3,626. Ask for an itemized OTD before signing.

• Doc fee: $225 — below the TX average of $227
• Add-ons: 100% of quotes, avg $3,626
• Listing accuracy: 3.0% above the advertised listing
• Verified quotes: 8

See full review & verified quotes →

Limited Data

These Cadillac dealers in the Houston metro have verified OTD data, but not yet enough to assign a confident grade. We’re actively collecting more quotes for these dealers.

• Classic Cadillac Of Galveston (Galveston, TX) — based on 1 verified OTD quote. View dealer page
• Central Houston Cadillac (Houston, TX) — based on 3 verified OTD quotes. View dealer page

About the CarEdge Dealer Transparency Index

Most dealer rankings come from Google star ratings and Yelp reviews — easy to game, impossible to verify. The CarEdge Dealer Transparency Index is different. We score every dealer using verified out-the-door quotes: real PDFs, emails, and screenshots from actual transactions.

Each dealer’s transparency score (out of 100) is weighted across four dimensions:

• Fee Transparency (30%) — Is the doc fee reasonable compared to the state average?
• Add-on Behavior (30%) — How often does the dealer bundle add-ons, and at what cost?
• Price Accuracy (30%) — Does the listing price match the actual OTD price?
• Data Quality (10%) — More verified quotes mean higher confidence in the grade.

Grades: A (90–100), B (80–89), C (70–79), D (60–69), F (below 60).

Houston Cadillac Dealer Rankings at a Glance

#	Dealer	City	Grade	Score	Doc Fee	Add-Ons	Quotes
1	Sewell Cadillac Of Houston	Houston	A	96	$225	$0	5
2	Tom Peacock Cadillac	Houston	B	88	$225	$596	8
3	Big Star Cadillac	Friendswood	B	88	$225	$1,458	4
4	Bayway Cadillac Of The Woodlands	The Woodlands	C	76	$225	$2,681	17
5	Bayway Cadillac Southwest	Houston	C	73	$225	$3,626	8

For the live list, including dealers graded since this page last updated, see the live Cadillac dealer rankings near Houston on the CarEdge Dealer Transparency Index.

Compare Cadillac Dealers in Other Metros

CarEdge has graded Cadillac dealers in 9 US metros using verified out-the-door quotes. Compare other markets:

• Best Cadillac Dealerships in Dallas-Fort Worth
• Best Cadillac Dealerships in Los Angeles
• Best Cadillac Dealerships in Washington DC
• Best Cadillac Dealerships in New York City
• Best Cadillac Dealerships in Detroit
• Best Cadillac Dealerships in Tampa
• Best Cadillac Dealerships in West Palm Beach
• Best Cadillac Dealerships in Ann Arbor

How to Use This Data When You Shop

1. Get an OTD quote in writing before you visit. Any dealer can send a worksheet by email — if they won’t, that’s a red flag.
2. Ask for a quote with zero add-ons. Everything in the F&I office is optional. Say “please remove all dealer add-ons” and see what the price does.
3. Anchor to the OTD, not the listing. Dealers with a gap between advertised price and final OTD aren’t being straight with you. Don’t negotiate off the listing number.
4. Compare three dealers minimum. Even within the same metro, doc fees, add-on policies, and listing accuracy vary widely. Use this ranking as your shortlist.

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Rankings are generated from the CarEdge Dealer Transparency Index, a public methodology that scores dealers on verified out-the-door quotes — not Google star ratings or paid placements. CarEdge refreshes the rankings daily as new verified quotes come in.