Contact seller

Contact seller

By clicking here, you authorize Cars.com and its sellers/partners to contact you by text/calls which may include marketing and be by autodialer. Calls may be prerecorded. You also agree to our Privacy Notice. Consent is not required to purchase goods/services.

We value your privacy. Cars.com Privacy Notice

Customize your budget

Est. max vehicle price based on your desired monthly budget (...% APR*. and ...% sales tax)
$...*
See matching cars

*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.

**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.

About your privacy: Cars.com is asking for your ZIP and credit rating because it helps us to make an educated guess at your sales tax and loan interest. These two factors can greatly change your monthly payment.

Used 2020 Cadillac CT6 for sale near Spring, TX

Filters 5 Year Model Price & payment Make Mileage Body style All filters
1 match 30 miles from 77373
Be the first to know!

Save your search and get notified when new inventory arrives.

Prequalify now

It only takes a few minutes and won't affect your credit.

Get Prequalified
Est. $400 /mo*
Down Payment
$0
Net trade-in value
$0
Months
72
APR
7.0%
Sales tax
0.0%

*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.

**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.

2020 Cadillac CT6 3.6L Luxury
2020 Cadillac CT6 3.6L Luxury
2020 Cadillac CT6 3.6L Luxury
2020 Cadillac CT6 3.6L Luxury
2020 Cadillac CT6 3.6L Luxury
2020 Cadillac CT6 3.6L Luxury View all 29 photos

Used

2020 Cadillac CT6 3.6L Luxury

55,619 mi.
$42,998
Est. $786/mo*
Free CARFAX Report
Sewell Cadillac of Houston
(106 reviews)
Houston, TX (24 mi.)
Call Check availability Check availability

Vehicle information

Ext. color: Crystal White Tricoat
Int. color: Jet Black
Drivetrain: All-wheel Drive
MPG: 18-27
Fuel type: Gasoline
Transmission: Automatic
Engine: 3.6L V-6 gasoline direct injection, DOHC, VVT variable valve con
Stock #: 5345104A
VIN: 1G6KE5RSXLU105091

Features

Convenience: Adaptive Cruise Control, Automatic Parking, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, HomeLink, Premium Sound System, Rear Seat Entertainment, Satellite Radio, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Sunroof/Moonroof
Safety: Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

Sewell Cadillac of Houston review

Outstanding service, my vehicle was listed in Cars.

April 12, 2025
By Cynthia from The Woodlands. TX

Outstanding service, my vehicle was listed in Cars.com & all of the details were perfectly listed. Very nice salesperson & the transaction was quick & efficient. Highly recommend.

2020 Cadillac CT6 3.6L Luxury review

Cadillac hit a home run with the CT6

June 21, 2022
By Nick from Brooklyn, NY
Owns this car

Love the style, ride and the ease to learn the technology. Very happy with getting premium performance using regular gas. Plenty of room for all 5 passengers.
  • Prev
  • 1
  • Next

About the 2020 Cadillac CT6

Basics

3.6L Luxury shown (base trim).

Seating
5
Door count
4
Drivetrain
All-wheel drive
Combined MPG
21
Transmission
10-Speed A/T
Engine
335.0-hp, 3.6-liter, V6 Cylinder Engine (Gasoline Fuel)
Side view of the 2020 Cadillac CT6
FAQs

How much does the 2020 Cadillac CT6 cost?

The 2020 Cadillac CT6 price depends on several factors, including the trim level, optional features, mileage, vehicle history and location. The nationwide average price for a 2020 CT6 is $36,367, with pricing starting at $24,988.

What is the MPG of the 2020 Cadillac CT6?

The 2020 Cadillac CT6 offers up to 18 MPG in city driving and 27 MPG on the highway for a combined rating of 21 MPG.

These figures are based on EPA mileage ratings and are for comparison purposes only. The actual mileage will vary depending on the selected vehicle trim, driving conditions, driving habits, vehicle maintenance, and other factors.

What are some similar vehicles and competitors of the 2020 Cadillac CT6?

The 2020 Cadillac CT6 compares to and/or competes against the following vehicles:

Is the 2020 Cadillac CT6 reliable?

The 2020 Cadillac CT6 has an average reliability rating of 4.8 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2020 CT6 owners.

Is the 2020 Cadillac CT6 a good sedan?

Below are the Cars.com consumer ratings for the 2020 Cadillac CT6.

(11 reviews)
Rating breakdown (out of 5):
  • Comfort 4.9
  • Interior 4.9
  • Performance 4.8
  • Value 4.5
  • Exterior 4.8
  • Reliability 4.8
Ratings (11 reviews)

100% of drivers recommend this car

Rating breakdown (out of 5):
  • Comfort 4.9
  • Interior 4.9
  • Performance 4.8
  • Value 4.5
  • Exterior 4.8
  • Reliability 4.8
Trims

Luxury (1 style)

Style
4dr Sdn 3.6L Luxury
Inventory price
Starting at $58,995
Combined MPG
21
Engine
335.0-hp, 3.6-liter, V6 Cylinder Engine (Gasoline Fuel)

Platinum (1 style)

Style
4dr Sdn 4.2L Turbo Platinum
Inventory price
Starting at $96,495
Combined MPG
17
Engine
500.0-hp, 4.2-liter, 8 Cylinder Engine (Gasoline Fuel)

Premium Luxury (1 style)

Style
4dr Sdn 3.6L Premium Luxury
Inventory price
Starting at $74,495
Combined MPG
21
Engine
335.0-hp, 3.6-liter, V6 Cylinder Engine (Gasoline Fuel)

*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.

**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.

1 match Clear
Clear
1 match
Be the first to know!

Save your search and get notified when new inventory arrives.
Basics
Cadillac models
CT6 trims
Price & payment Full Price Monthly
‡Monthly budget search results are estimated based on a 72-month loan term with $0 down payment, $0 trade-in value, 0.0% sales tax and 7.0% APR. Inputs can be personalized using the calculator.
Financing
Deal rating
Vehicle history
Style
Body style
Cab type
Exterior color
Interior color
Performance
Transmission
Drivetrain
Cylinders
Fuel type
EV range
EV charge time
Features
Convenience
Entertainment
Exterior
Safety
Seating
Door count
Seller info
Seller type
Keyword
Update
Show only
[{"applied_filter_criteria":"{\"cpo_indicator\":false,\"make_model_trim\":[{\"make\":\"cadillac\",\"model\":\"ct6\"}],\"max_year\":\"2020\",\"min_year\":\"2020\",\"search_range\":\"30\",\"shippable\":true,\"sort_field\":\"searchRank1\",\"sort_order\":\"desc\",\"stock_type\":\"used\"}","search_type":"general-inventory-search","vehicle_array":[{"trim":"3.6L Luxury","make":"Cadillac","cat":"luxurypassenger_plus","year":"2020","customer_id":"203866","listing_id":"47a31cec-cd43-42d6-8132-d5411733dd87","certified_preowned":false,"mileage":"55619","stock_type":"Used","model":"CT6","sponsored":false,"vin":"1G6KE5RSXLU105091","nvi_program":false,"exterior_color":"Crystal White Tricoat","fuel_type":"Gasoline","interior_color":"Jet Black","drivetrain":"All-wheel Drive","dealer_name":"Sewell Cadillac of Houston","msrp":"0","dealer_zip":"77079","seller_type":"dealership","sponsored_type":"standard","price":"42998","bodystyle":"Sedan","cpo_indicator":false,"badges":["fair_deal"],"canonical_mmt":"Cadillac:CT6:3.6L Luxury","canonical_mmty":"Cadillac:CT6:3.6L Luxury:2020","cpo_package":null,"photo_count":29,"stock_sub":"","vertical_position":1}],"sponsored_type_eligible":["inventory_ad"]}]