2026 GMC Yukon XL DenaliSterling Metallic 2026 GMC Yukon XL Denali 4WD 10-Speed Automatic with Overdrive EcoTec3 6.2L V8Awards: * Car and Driver 10 Best Trucks and SUVs Car and Driver Editors' ChoiceCar and Driver, January 2017.We are your premier Ca...

2026 GMC Sierra

$65,593

MILEAGE 2 Miles

SPECS

3GTUUGED4TG314258
EcoTec3 V8 engine 5.3L
Automatic
Gasoline
4WD
Pickup

HIGHLIGHTS

13.4" diagonal GMC Premium Infotainment System with Google built-in
Bluetooth
Bose Premium Sound System
SiriusXM with 360L Trial Subscription
Steering-wheel mounted controls

John Thornton Buick GMC

Carrollton, GA

Listed 3 days

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Here it is! Hurry and take advantage now! This vehicle won't be on the lot long! It offers the latest in technological innovation and style. Top features include leather upholstery, a tachometer, a bedliner, and seat memory. We have a skilled and...

2026 GMC Sierra

$78,627

MILEAGE 2 Miles

SPECS

1GTUUGEL3TZ354581
EcoTec3 V8 engine 6.2L
Automatic
Gasoline
4WD
Pickup

HIGHLIGHTS

13.4" diagonal GMC Premium Infotainment System with Google built-in
Bluetooth
Bose Premium Sound System
SiriusXM with 360L Trial Subscription
Steering-wheel mounted controls

John Thornton Buick GMC

Carrollton, GA

Listed 4 days

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You won't want to miss this excellent value! Ensuring composure no matter the driving circumstances! This model accommodates 5 passengers comfortably, and provides features such as: heated and ventilated seats, remote keyless entry, and leather upho...

2026 GMC Sierra HD

$69,013

MILEAGE 5 Miles

SPECS

1GT4UMEY4TF256915
Duramax Turbo-Diesel V8 engine 6
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

13.4" diagonal GMC Premium Infotainment System with Google built-in
6-speaker audio system
Bluetooth
SiriusXM with 360L Trial Subscription
Wi-Fi Hotspot capable

John Thornton Buick GMC

Carrollton, GA

Listed 4 days

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2026 GMC Sierra 2500HD SLESummit White 2026 GMC Sierra 2500HD SLE 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselWe are your premier Carrollton, GA Cadillac dealership. John Thornton Cadillac Inc. Is family owned, and it is our goal to provide you...

2026 GMC Sierra HD

$82,983

MILEAGE 6 Miles

SPECS

1GT4UPEY2TF262603
Duramax Turbo-Diesel V8 engine 6
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

13.4" diagonal GMC Premium Infotainment System with Google built-in
Bluetooth
Bose Premium Sound System
SiriusXM with 360L Trial Subscription
Wi-Fi Hotspot capable

John Thornton Buick GMC

Carrollton, GA

Listed 4 days

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2026 GMC Sierra 2500HD AT4Coastal Dune 2026 GMC Sierra 2500HD AT4 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselWe are your premier Carrollton, GA Cadillac dealership. John Thornton Cadillac Inc. Is family owned, and it is our goal to provide you...

2026 GMC Sierra HD

$84,083

MILEAGE 5 Miles

SPECS

1GT4UREY6TF258338
Duramax Turbo-Diesel V8 engine 6
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

13.4" diagonal GMC Premium Infotainment System with Google built-in
Bluetooth
Bose Premium Sound System
SiriusXM with 360L Trial Subscription
Wi-Fi Hotspot capable

John Thornton Buick GMC

Carrollton, GA

Listed 5 days

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2026 GMC Sierra 2500HD DenaliDownpour Metallic 2026 GMC Sierra 2500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselWe are your premier Carrollton, GA Cadillac dealership. John Thornton Cadillac Inc. Is family owned, and it is our goal to...

2026 GMC Sierra HD

$98,797

MILEAGE 2 Miles

SPECS

1GT4UXEY9TF267667
Duramax Turbo-Diesel V8 engine 6
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

13.4" diagonal GMC Premium Infotainment System with Google built-in
3 Years SiriusXM
Bluetooth
Bose Premium Series with 12-speaker system with CenterPoint
MultiPro Audio System by Kicker

John Thornton Buick GMC

Carrollton, GA

Listed 5 days

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2026 GMC Sierra 2500HD Denali UltimateOnyx Black 2026 GMC Sierra 2500HD Denali Ultimate 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselWe are your premier Carrollton, GA Cadillac dealership. John Thornton Cadillac Inc. Is family owned, and it is o...

2026 GMC Sierra HD

$95,837

MILEAGE 5 Miles

SPECS

1GT4UXEY5TF263213
Duramax Turbo-Diesel V8 engine 6
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

13.4" diagonal GMC Premium Infotainment System with Google built-in
3 Years SiriusXM
Bluetooth
Bose Premium Series with 12-speaker system with CenterPoint
MultiPro Audio System by Kicker

John Thornton Buick GMC

Carrollton, GA

Listed 5 days

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2026 GMC Sierra 2500HD Denali UltimateGlacier White Tricoat 2026 GMC Sierra 2500HD Denali Ultimate 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselWe are your premier Carrollton, GA Cadillac dealership. John Thornton Cadillac Inc. Is family owned,...

2026 GMC Yukon

$94,548

MILEAGE 2 Miles

SPECS

1GKS2CKL1TR334554
V8 engine 6.2L
Automatic
Gasoline
4WD
SUV

HIGHLIGHTS

16.8" diagonal advanced color LCD display with Google built-in compatibility
5G Wi-Fi hotspot capable
Bose CenterPoint Surround 10-speaker audio system
Rear Seat Media System
SiriusXM with 360L Trial Subscription

John Thornton Buick GMC

Carrollton, GA

Listed 5 days

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This vehicle won't be on the lot long! It comes equipped with all the standard amenities for your driving enjoyment. Top features include rain sensing wipers, automatic dimming door mirrors, skid plates, and seat memory. Our experienced sales staff...

2026 GMC Sierra HD

$84,323

MILEAGE 5 Miles

SPECS

1GT4UREY3TF251962
Duramax Turbo-Diesel V8 engine 6
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

13.4" diagonal GMC Premium Infotainment System with Google built-in
Bluetooth
Bose Premium Sound System
SiriusXM with 360L Trial Subscription
Wi-Fi Hotspot capable

John Thornton Buick GMC

Carrollton, GA

Listed 5 days

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2026 GMC Sierra 2500HD DenaliOnyx Black 2026 GMC Sierra 2500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselWe are your premier Carrollton, GA Cadillac dealership. John Thornton Cadillac Inc. Is family owned, and it is our goal to provide...

2026 GMC Sierra

$38,518

MILEAGE 5 Miles

SPECS

3GTNUAEK8TG278235
TurboMax™ engin
Automatic
Gasoline
4WD
Pickup

HIGHLIGHTS

2-speaker audio system
Bluetooth
GMC Infotainment System with color touchscreen
SiriusXM Trial Subscription
Wi-Fi Hotspot capable

John Thornton Buick GMC

Carrollton, GA

Listed 7 days

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2026 GMC Sierra 1500 ProSummit White 2026 GMC Sierra 1500 Pro 4WD 8-Speed Automatic 2.7L I4 Turbocharged DOHC 16V LEV3-SULEV30 310hpWe are your premier Carrollton, GA Cadillac dealership. John Thornton Cadillac Inc. Is family owned, and it is our goa...

2026 GMC Sierra HD

$90,133

MILEAGE 5 Miles

SPECS

1GT4UXEY0TF226456
Duramax Turbo-Diesel V8 engine 6
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

13.4" diagonal GMC Premium Infotainment System with Google built-in
Bluetooth
Bose Premium Series with 12-speaker system with CenterPoint
MultiPro Audio System by Kicker
SiriusXM with 360L Trial Subscription

John Thornton Buick GMC

Carrollton, GA

Listed 7 days

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2026 GMC Sierra 2500HD Denali UltimateSterling Metallic 2026 GMC Sierra 2500HD Denali Ultimate 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselWe are your premier Carrollton, GA Cadillac dealership. John Thornton Cadillac Inc. Is family owned, and...

2026 GMC Sierra

$35,658

MILEAGE 5 Miles

SPECS

1GTRHAEKXTZ278842
TurboMax™ engin
Automatic
Gasoline
2WD
Pickup

HIGHLIGHTS

6-speaker audio system
Bluetooth
GMC Infotainment System with color touchscreen
SiriusXM Trial Subscription
Wi-Fi Hotspot capable

John Thornton Buick GMC

Carrollton, GA

Listed 7 days

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2026 GMC Sierra 1500 ProCoastal Dune 2026 GMC Sierra 1500 Pro RWD 8-Speed Automatic 2.7L I4 Turbocharged DOHC 16V LEV3-SULEV30 310hpWe are your premier Carrollton, GA Cadillac dealership. John Thornton Cadillac Inc. Is family owned, and it is our goa...

2026 GMC Sierra HD

$90,133

MILEAGE 2 Miles

SPECS

1GT4UXEY9TF226116
Duramax Turbo-Diesel V8 engine 6
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

13.4" diagonal GMC Premium Infotainment System with Google built-in
Bluetooth
Bose Premium Series with 12-speaker system with CenterPoint
MultiPro Audio System by Kicker
SiriusXM with 360L Trial Subscription

John Thornton Buick GMC

Carrollton, GA

Listed 7 days

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This GMC won't be on the lot long! Packed with features and truly a pleasure to drive! The engine breathes better thanks to a turbocharger, improving both performance and economy. Top features include front fog lights, an outside temperature display...

2026 GMC Yukon XL

$102,123

MILEAGE 6 Miles

SPECS

1GKS2JKL4TR290232
V8 engine 6.2L
Automatic
Gasoline
4WD
SUV

HIGHLIGHTS

16.8" diagonal advanced color LCD display with Google built-in compatibility
5G Wi-Fi hotspot capable
Bose CenterPoint Surround 10-speaker audio system
Rear Seat Media System
SiriusXM with 360L Trial Subscription

John Thornton Buick GMC

Carrollton, GA

Listed 7 days

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2026 GMC Sierra HD

$83,622

MILEAGE 2 Miles

SPECS

1GT4UREY6TF215666
Duramax Turbo-Diesel V8 engine 6
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

13.4" diagonal GMC Premium Infotainment System with Google built-in
3 Years SiriusXM
Bluetooth
Bose Premium Sound System
SiriusXM with 360L Trial Subscription

John Thornton Buick GMC

Carrollton, GA

Listed 7 days

0 views

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NOTES

2026 GMC Sierra 2500HD DenaliSummit White 2026 GMC Sierra 2500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselWe are your premier Carrollton, GA Cadillac dealership. John Thornton Cadillac Inc. Is family owned, and it is our goal to provi...

2026 GMC Yukon XL

$83,503

MILEAGE 2 Miles

SPECS

1GKS1GKD5TR277164
V8 engine 5.3L
Automatic
Gasoline
2WD
SUV

HIGHLIGHTS

16.8" diagonal advanced color LCD display with Google built-in compatibility
5G Wi-Fi hotspot capable
Bose CenterPoint Surround 10-speaker audio system
Rear Seat Media System
SiriusXM with 360L Trial Subscription

John Thornton Buick GMC

Carrollton, GA

Listed 7 days

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You won't want to miss this excellent value! You'll appreciate its safety and convenience features! This model accommodates 7 passengers comfortably, and provides features such as: automatic dimming door mirrors, heated and ventilated seats, and sea...

2026 GMC Sierra HD

$83,133

MILEAGE 6 Miles

SPECS

1GT4UPEY8TF233283
Duramax Turbo-Diesel V8 engine 6
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

13.4" diagonal GMC Premium Infotainment System with Google built-in
Bluetooth
Bose Premium Sound System
SiriusXM with 360L Trial Subscription
Wi-Fi Hotspot capable

John Thornton Buick GMC

Carrollton, GA

Listed 7 days

0 views

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2026 GMC Sierra 2500HD AT4Volcanic Red Tintcoat 2026 GMC Sierra 2500HD AT4 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselWe are your premier Carrollton, GA Cadillac dealership. John Thornton Cadillac Inc. Is family owned, and it is our goal to pr...

2026 GMC Sierra

$39,013

MILEAGE 5 Miles

SPECS

3GTNUAEK2TG279817
TurboMax™ engin
Automatic
Gasoline
4WD
Pickup

HIGHLIGHTS

2-speaker audio system
Bluetooth
GMC Infotainment System with color touchscreen
SiriusXM Trial Subscription
Wi-Fi Hotspot capable

John Thornton Buick GMC

Carrollton, GA

Listed 7 days

0 views

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NOTES

2026 GMC Sierra 1500 ProCardinal Red 2026 GMC Sierra 1500 Pro 4WD 8-Speed Automatic 2.7L I4 Turbocharged DOHC 16V LEV3-SULEV30 310hpWe are your premier Carrollton, GA Cadillac dealership. John Thornton Cadillac Inc. Is family owned, and it is our goa...

2026 GMC Sierra

$46,208

MILEAGE 6 Miles

SPECS

1GTRUBEK7TZ296331
TurboMax™ engin
Automatic
Gasoline
4WD
Pickup

HIGHLIGHTS

13.4" diagonal GMC Premium Infotainment System with Google built-in
6-speaker audio system
Bluetooth
SiriusXM with 360L Trial Subscription
Steering-wheel mounted controls

John Thornton Buick GMC

Carrollton, GA

Listed 7 days

0 views

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NOTES

2026 GMC Sierra 1500 SLESterling Metallic 2026 GMC Sierra 1500 SLE 4WD 8-Speed Automatic 2.7L I4 Turbocharged DOHC 16V LEV3-SULEV30 310hpWe are your premier Carrollton, GA Cadillac dealership. John Thornton Cadillac Inc. Is family owned, and it is ou...

2026 GMC Yukon XL

$86,628

MILEAGE 6 Miles

SPECS

1GKS2GKD4TR287052
V8 engine 5.3L
Automatic
Gasoline
4WD
SUV

HIGHLIGHTS

16.8" diagonal advanced color LCD display with Google built-in compatibility
5G Wi-Fi hotspot capable
Bose CenterPoint Surround 10-speaker audio system
Rear Seat Media System
SiriusXM with 360L Trial Subscription

John Thornton Buick GMC

Carrollton, GA

Listed 7 days

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2026 GMC Yukon XL ElevationSterling Metallic 2026 GMC Yukon XL Elevation 4WD 10-Speed Automatic with Overdrive EcoTec3 5.3L V8Awards: * Car and Driver 10 Best Trucks and SUVs Car and Driver Editors' ChoiceCar and Driver, January 2017.We are your prem...

2026 GMC Sierra HD

$90,363

MILEAGE 6 Miles

SPECS

1GT4UZEY7TF233772
Duramax Turbo-Diesel V8 engine 6
Automatic
Diesel
4WD
Pickup

HIGHLIGHTS

13.4" diagonal GMC Premium Infotainment System with Google built-in
Bluetooth
Bose Premium Series with 12-speaker system with CenterPoint
MultiPro Audio System by Kicker
SiriusXM with 360L Trial Subscription

John Thornton Buick GMC

Carrollton, GA

Listed 7 days

0 views

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NOTES

2026 GMC Sierra 2500HD AT4XSummit White 2026 GMC Sierra 2500HD AT4X 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselWe are your premier Carrollton, GA Cadillac dealership. John Thornton Cadillac Inc. Is family owned, and it is our goal to provide y...

NEW GMC IN GEORGIA BY CITY

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