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New GMC Sierra 1500 SLT for Sale near Colorado

97 results
Denver, CO
2026 GMC Sierra 1500 SLT Crew Cab 4WD AutoNation Buick GMC West

2026 GMC Sierra 1500

New car | MSRP $71,869

$62,999

Golden, CO
11 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Glacier White Tricoat
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
6
Stock number:
TG142472
VIN:
3GTUUDED2TG142472

Sponsored

2026 GMC Sierra 1500 SLT Crew Cab 4WD

2026 GMC Sierra 1500

New car | MSRP $72,135

$69,174

Aurora, CO
8 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Onyx Black
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
2
Stock number:
260174
VIN:
3GTUUDEL6TG180925

Sponsored

2026 GMC Sierra 1500 SLT Crew Cab 4WD

2026 GMC Sierra 1500

New car | MSRP $70,214

$63,964

Highlands Ranch, CO
13 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Glacier White Tricoat
Fuel type:
Gasoline
Interior color:
Jet Black, Perforated Leather-Appointed Front Outb
Transmission:
Automatic
Mileage:
5
Stock number:
TZ190058
VIN:
1GTUUDED1TZ190058

Sponsored

2026 GMC Sierra 1500 SLT Crew Cab 4WD

2026 GMC Sierra 1500

New car | MSRP $68,785

$60,229

Loveland, CO
47 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Summit White
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
96
Stock number:
TG105501
VIN:
3GTUUDED7TG105501

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $67,840

$60,956

Longmont, CO
28 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Summit White
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
5
Stock number:
188168
VIN:
1GTUUDED9TZ188168

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $69,614

$63,364

Highlands Ranch, CO
13 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Onyx Black
Fuel type:
Gasoline
Interior color:
Jet Black, Perforated Leather-Appointed Front Outb
Transmission:
Automatic
Mileage:
5
Stock number:
TZ192795
VIN:
1GTUUDED1TZ192795

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $69,580

$64,222

Brighton, CO
15 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
Sterling Metallic
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
10
Stock number:
G687707
VIN:
3GTUUDE84TG187707

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $69,355

$62,999

Golden, CO
11 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
Sterling Metallic
Fuel type:
Diesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
5
Stock number:
TG169239
VIN:
3GTUUDE86TG169239

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $71,275

$65,778

Brighton, CO
15 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Onyx Black
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
10
Stock number:
G602140
VIN:
1GTUUDEL5TZ202140

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $72,770

$65,214

Loveland, CO
47 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Onyx Black
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
4
Stock number:
TZ154193
VIN:
1GTUUDEL4TZ154193

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $68,724

$62,474

Highlands Ranch, CO
13 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Onyx Black
Fuel type:
Gasoline
Interior color:
Jet Black, Perforated Leather-Appointed Front Outb
Transmission:
Automatic
Mileage:
3
Stock number:
TG147103
VIN:
3GTUUDED7TG147103

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  5. / Colorado
FAQs

GMC Sierra 1500 SLT FAQs

What is the fuel economy of the GMC Sierra 1500 SLT?

Depending on the engine and options, the GMC Sierra 1500 SLT gets between 16 and 24 MPG (or MPGe).

What fuel types are available?

Diesel, Flex Fuel Vehicle, Gasoline engines are available.

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