Skip to main content
Best match Lowest price Highest price Lowest mileage Highest mileage Nearest location Best deal Newest year Oldest year Newest listed Oldest listed
Skip to Filters
  • Onyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLT

    $59,090

    Est. $1,074/mo

    Bomnin Chevrolet Buick GMC Nanuet

    4.7
    Check Availability
    Nanuet, NY (15 mi)

    Quick view
  • Glacier White Tricoat 2026 GMC Sierra 1500 SLTGlacier White Tricoat 2026 GMC Sierra 1500 SLTGlacier White Tricoat 2026 GMC Sierra 1500 SLTGlacier White Tricoat 2026 GMC Sierra 1500 SLTGlacier White Tricoat 2026 GMC Sierra 1500 SLTGlacier White Tricoat 2026 GMC Sierra 1500 SLT

    $68,534

    Est. $1,246/mo

    North Bay Cadillac GMC

    4.2
    Check Availability
    Great Neck, NY (19 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLT

    $71,344

    Est. $1,297/mo

    Green Brook Chevrolet Buick GMC

    3.9
    Check Availability
    Green Brook Township, NJ (30 mi)
    Quick view
  • Titanium Rush Metallic 2026 GMC Sierra 1500 SLTTitanium Rush Metallic 2026 GMC Sierra 1500 SLTTitanium Rush Metallic 2026 GMC Sierra 1500 SLTTitanium Rush Metallic 2026 GMC Sierra 1500 SLTTitanium Rush Metallic 2026 GMC Sierra 1500 SLTTitanium Rush Metallic 2026 GMC Sierra 1500 SLT

    $68,665

    MSRP $68,665

    Est. $1,248/mo

    Bical Auto Mall

    4.4
    Check Availability
    Brooklyn, NY (22 mi)
    Quick view
  • Titanium Rush Metallic 2026 GMC Sierra 1500 SLTTitanium Rush Metallic 2026 GMC Sierra 1500 SLTTitanium Rush Metallic 2026 GMC Sierra 1500 SLTTitanium Rush Metallic 2026 GMC Sierra 1500 SLTTitanium Rush Metallic 2026 GMC Sierra 1500 SLTTitanium Rush Metallic 2026 GMC Sierra 1500 SLT

    $73,010

    Est. $1,327/mo

    Green Brook Chevrolet Buick GMC

    3.9
    Check Availability
    Green Brook Township, NJ (30 mi)
    Quick view
  • Summit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLT

    $63,925

    Est. $1,162/mo

    Quality Chevrolet of Englewood

    4.2
    Check Availability
    Englewood, NJ (4 mi)
    Quick view
  • Sterling 2026 GMC Sierra 1500 SLTSterling 2026 GMC Sierra 1500 SLTSterling 2026 GMC Sierra 1500 SLTSterling 2026 GMC Sierra 1500 SLTSterling 2026 GMC Sierra 1500 SLTSterling 2026 GMC Sierra 1500 SLT

    $59,090

    Est. $1,074/mo

    Bomnin Chevrolet Buick GMC Nanuet

    4.7
    Check Availability
    Nanuet, NY (15 mi)
    Quick view
  • Summit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLT

    $69,035

    Est. $1,255/mo

    Quality Chevrolet of Englewood

    4.2
    Check Availability
    Englewood, NJ (4 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLT

    $61,720

    MSRP $67,470

    Est. $1,122/mo

    Platinum Buick GMC of White Plains

    4.4
    Check Availability
    White Plains, NY (17 mi)
    Quick view
  • Sterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLT

    $61,485

    Est. $1,118/mo

    Performance Buick GMC

    4.8
    Check Availability
    Cedar Knolls, NJ (22 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLT

    $70,565

    Est. $1,283/mo

    Green Brook Chevrolet Buick GMC

    3.9
    Check Availability
    Green Brook Township, NJ (30 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLT

    $70,655

    Est. $1,284/mo

    Green Brook Chevrolet Buick GMC

    3.9
    Check Availability
    Green Brook Township, NJ (30 mi)
    Quick view
  • Sterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLT

    $65,185

    Est. $1,185/mo

    GMC Bedford Hills

    Check Availability
    Bedford Hills, NY (30 mi)
    Quick view
  • Sterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLT

    $69,530

    Est. $1,264/mo

    Quality Chevrolet of Englewood

    4.2
    Check Availability
    Englewood, NJ (4 mi)
    Quick view
  • Summit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLT

    $61,225

    MSRP $66,975

    Est. $1,113/mo

    Platinum Buick GMC of White Plains

    4.4
    Check Availability
    White Plains, NY (17 mi)
    Quick view
  • Sterling 2026 GMC Sierra 1500 SLTSterling 2026 GMC Sierra 1500 SLTSterling 2026 GMC Sierra 1500 SLTSterling 2026 GMC Sierra 1500 SLTSterling 2026 GMC Sierra 1500 SLTSterling 2026 GMC Sierra 1500 SLT

    $66,425

    MSRP $66,425

    Est. $1,208/mo

    Bical Auto Mall

    4.4
    Check Availability
    Brooklyn, NY (22 mi)
    Quick view
  • Sterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLT

    $70,549

    Est. $1,282/mo

    Green Brook Chevrolet Buick GMC

    3.9
    Check Availability
    Green Brook Township, NJ (30 mi)
    Quick view
  • Glacier White Tricoat 2026 GMC Sierra 1500 SLTGlacier White Tricoat 2026 GMC Sierra 1500 SLTGlacier White Tricoat 2026 GMC Sierra 1500 SLTGlacier White Tricoat 2026 GMC Sierra 1500 SLTGlacier White Tricoat 2026 GMC Sierra 1500 SLTGlacier White Tricoat 2026 GMC Sierra 1500 SLT

    $71,944

    Est. $1,308/mo

    Green Brook Chevrolet Buick GMC

    3.9
    Check Availability
    Green Brook Township, NJ (30 mi)
    Quick view
  • Volcanic Red Tintcoat 2026 GMC Sierra 1500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 1500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 1500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 1500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 1500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 1500 SLT

    $71,494

    Est. $1,300/mo

    Green Brook Chevrolet Buick GMC

    3.9
    Check Availability
    Green Brook Township, NJ (30 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLT

    $73,010

    Est. $1,327/mo

    Green Brook Chevrolet Buick GMC

    3.9
    Check Availability
    Green Brook Township, NJ (30 mi)
    Quick view
  • Summit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLT

    $70,015

    Est. $1,273/mo

    Sawyer Lyons Buick GMC of Randolph

    3.7
    Check Availability
    Randolph, NJ (30 mi)
    Quick view
  • Sterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLT

    $70,510

    Est. $1,282/mo

    Sawyer Lyons Buick GMC of Randolph

    3.7
    Check Availability
    Randolph, NJ (30 mi)
    Quick view
  • Titanium Rush Metallic 2026 GMC Sierra 1500 SLTTitanium Rush Metallic 2026 GMC Sierra 1500 SLTTitanium Rush Metallic 2026 GMC Sierra 1500 SLTTitanium Rush Metallic 2026 GMC Sierra 1500 SLTTitanium Rush Metallic 2026 GMC Sierra 1500 SLTTitanium Rush Metallic 2026 GMC Sierra 1500 SLT

    $52,896

    10,019 mi.
    Est. $962/mo

    Bob Johnson Used

    4.0
    Check Availability
    $399 delivery from Rochester, NY (237 mi)
    Quick view
  • Summit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLT

    $52,587

    $1K
    Est. $956/mo

    Laura Buick GMC

    4.6
    Check Availability
    $1,719 delivery from Collinsville, IL (860 mi)
    Quick view

About the 2026 GMC Sierra 1500 SLT

Basics

SLT shown.

Seating
5
Door count
4
Drivetrain
Rear Wheel Drive
Combined MPG
17
Transmission
10-Speed A/T
Engine
305.0-hp, 3.0-liter, Straight 6 Cylinder Engine (Diesel Fuel)
Side view of the 2026 GMC Sierra 1500 SLT
FAQs

How much does the 2026 GMC Sierra 1500 SLT cost?

The 2026 GMC Sierra 1500 SLT price depends on optional features. Prices typically start at $55,100.

What is the MPG of the 2026 GMC Sierra 1500 SLT?

The 2026 GMC Sierra 1500 SLT offers up to 16 MPG in city driving and 20 MPG on the highway for a combined rating of 17 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 options, driving conditions, driving habits, vehicle maintenance, and other factors.

What are some similar vehicles and competitors of the 2026 GMC Sierra 1500 SLT?

The 2026 GMC Sierra 1500 SLT compares to and/or competes against the following vehicles:


Is the 2026 GMC Sierra 1500 SLT reliable?

The 2026 GMC Sierra 1500 has an average reliability rating of 4.5 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2026 Sierra 1500 owners.

Ratings (4 reviews)

75% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.0
Interior
4.0
Performance
4.2
Value
3.5
Exterior
4.2
Reliability
4.5
Trims

SLT (3 styles)

Style
2WD Crew Cab 147" SLT 4WD Crew Cab 147" SLT 4WD Crew Cab 157" SLT
Inventory price
Starting at $55,100 Starting at $58,200 Starting at $58,900
Combined MPG
17 16 16
Engine
305.0-hp, 3.0-liter, Straight 6 Cylinder Engine (Diesel Fuel) 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel)
Skip to Listings
Best match Lowest price Highest price Lowest mileage Highest mileage Nearest location Best deal Newest year Oldest year Newest listed Oldest listed

2026 GMC Sierra 1500 SLT by city

GMC Sierra 1500 trims