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 — 4 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 11, 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 quotes from the past year, with 5 quotes from the past year behind the grade.

Close behind:

2. Tom Peacock Cadillac (Houston), C grade, 78/100 across 7 quotes from the past year, with 7 quotes from the past year behind the grade.
3. Tx Auto Group (Houston), C grade, 76/100 across 5 quotes from the past year, with 5 quotes from the past year behind the grade.

Full ranking, dealer fees and quoted add-ons 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 quotes from the past year.

• Quotes, past year: 5

See full review & verified quotes →

#2 — Tom Peacock Cadillac

Grade: C · Score: 78/100 · Houston, TX

Tom Peacock Cadillac grades a C at 78/100 across 7 quotes from the past year. Get a written OTD and compare before you commit.

• Quotes, past year: 7

See full review & verified quotes →

#3 — Tx Auto Group

Grade: C · Score: 76/100 · Houston, TX

Tx Auto Group grades a C at 76/100 across 5 quotes from the past year. Get a written OTD and compare before you commit.

• Quotes, past year: 5

See full review & verified quotes →

#4 — Bayway Cadillac Of The Woodlands

Grade: C · Score: 75/100 · The Woodlands, TX

Bayway Cadillac Of The Woodlands grades a C at 75/100 across 16 quotes from the past year. Get a written OTD and compare before you commit.

• Quotes, past year: 16

See full review & verified quotes →

#5 — Bayway Cadillac Southwest

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

Bayway Cadillac Southwest grades a C at 73/100 across 8 quotes from the past year — the lowest on this list. Get a written OTD and compare before you commit.

• Quotes, past year: 8

See full review & verified quotes →

Limited Data

These Cadillac dealers in the Houston metro have verified OTD data, but not yet enough quotes from the past year to rank. We’re actively collecting more quotes for these dealers.

• Classic Galveston Auto Group (Galveston, TX) — based on 3 quotes from the past year. View dealer page
• Classic Cadillac Of Galveston (Galveston, TX) — based on 1 quote from the past year. View dealer page
• Central Houston Cadillac (Houston, TX) — based on 3 quotes from the past year. View dealer page
• Big Star Cadillac (Friendswood, TX) — based on 2 quotes from the past year. 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.

Only quotes from the past year count. We split them into four groups, newest first: the newest counts 50%, then 30%, 15% and 5%.

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

• Fee Transparency (30%) — Are the dealer’s fees reasonable? We add up every dealer fee and compare the total with the state median.
• Add-on Behavior (30%) — How often does the dealer include quoted add-ons like paint protection or theft deterrent, the kind you can’t say no to? Add-ons the dealer marks as optional don’t count against them.
• Price Accuracy (30%) — Does the advertised price include every charge you have to pay? We check each quote against the vehicle page: dealer fees, add-ons, the advertised price and the discount.
• Data Quality (10%) — Does the quote list taxes, dealer fees, add-ons and government fees each on its own line? Each one is worth a quarter.

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

Houston Cadillac Dealer Rankings at a Glance

#	Dealer	City	Grade	Score	Dealer Fees	Quoted Add-ons	Quotes, Past Year
1	Sewell Cadillac Of Houston	Houston	A	96	—	—	5
2	Tom Peacock Cadillac	Houston	C	78	—	—	7
3	Tx Auto Group	Houston	C	76	—	—	5
4	Bayway Cadillac Of The Woodlands	The Woodlands	C	75	—	—	16
5	Bayway Cadillac Southwest	Houston	C	73	—	—	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 14 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 Chicago
• Best Cadillac Dealerships in Atlanta
• Best Cadillac Dealerships in Washington DC
• Best Cadillac Dealerships in New York City
• Best Cadillac Dealerships in Minneapolis
• Best Cadillac Dealerships in Tampa
• Best Cadillac Dealerships in Las Vegas
• Best Cadillac Dealerships in Baltimore
• Best Cadillac Dealerships in Riverside-San Bernardino
• 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 advertised price. Dealers with a gap between advertised price and final OTD aren’t being straight with you. Don’t negotiate off the advertised number.
4. Compare three dealers minimum. Even within the same metro, dealer fees, quoted add-ons and advertised price 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.