Paint 1 of 8
2020 GMC Sierra 1500 SLT
Truck (Double Cab) · 355 hp · 19 mpg combined
Sticker from
$44,300Factory MSRP, base configuration
Market
Too few listings to publish a market price.
Own one? Yours has a number of its own.
Track what yours is worthA fresh estimate every month, in one short email. Not an offer to buy.Start tracking72 factory options, from $50 to $6,160.
Texas Edition SLT Premium Plus Package$6,160
SLT Premium Plus Package$6,160
Texas Edition SLT Premium Package$3,060
SLT Premium Package$3,060
22" Bright Chrome Wheels$2,995
22" 6-Spoke Low-Gloss Black Wheels w/Machined Accents$2,995
22" 5-Spoke Dark Silver Aluminum Wheels w/Machined Accents$2,995
22" Polished Aluminum Wheels$2,995
22" High Gloss Black Wheels$2,995
22" Black Gloss Wheels w/Chrome Accents$2,995
Front Brake Kit-Performance$2,995
22" Carbon Flash Metallic Wheels$2,995
SLT Premium Package$2,910
Duramax 3.0L Turbo-Diesel I6$2,495
6.2L EcoTec3 V8 Engine$2,495
X31 Off-Road Package w/20" Wheels$2,250
Rear Seat Infotainment System w/DVD Player$1,995
Performance Upgrade Package$1,875
20" x 9.0" Polished Aluminum Wheels$1,700
SLT Convenience Package$1,460
20" x 9.0" Polished Aluminum Wheels$1,400
Cat-Back Performance Exhaust$1,295
Assist Step and Tonneau Package$1,295
SLT Convenience Package$1,260
Tri-Fold Hard Tonneau Cover$1,100
Driver Alert Package II$1,095
SLT Preferred Package$1,070
Power Glass Sunroof$995
Black Off-Road Assist Steps$965
Driver Alert Package I$940
Driver Alert Package I$890
6" Rectangular Black Tubular Assist Steps$850
X31 Off-Road Package w/18" Blackwall Tires$850
Max Trailering Package$850
MultiPro Audio System by Kicker$805
4" Round Black Tubular Assist Steps$750
4" Round Chromed Tubular Assist Steps$750
6" Rectangular Chromed Tubular Assist Steps$750
Chrome Assist Steps$700
Tri-fold Soft Tonneau Cover$700
Body Color Wheel Arch Moldings$685
Performance Air Intake System$675
Auxiliary Trailer Camera$595
Spray-On Bed Liner$545
Cargo Convenience Package$515
Cargo Convenience Package$415
Snow Plow Prep Package$400
GMC Protection Package$370
Lockable Console Vault$295
Rear Under Seat Storage$265
Outside Power-Adjustable Vertical Trailering Mirrors$260
Bed View Camera$250
All-Weather Floor Liner$210
P275/60R20SL All-Terrain Blackwall Tires$200
Chrome Recovery Hooks$200
P265/65R18SL All-Terrain Blackwall Tires$200
Black Front and Rear Molded Splash Guards$180
Rear Under Seat Storage$160
Polished Exhaust Tip$150
Rubber Bed Mat$150
Engine Block Heater$100
Wheel Locks$75
Trailer Tire Pressure Monitor Sensors$50
California Emissions Override—
California State Emissions Requirements—
Federal Emissions Override—
Federal Emissions Requirements—
Front License Plate Kit—
Northeast Emissions—
P275/50R22SL All-Season Blackwall Tires—
P275/60R20 All-Season Blackwall Tires—
State-Specific Emissions Override—
Which Sierra 1500 is right for you?
Six trims, $29,600 to $54,700. Tap one to open it.
Bar heights follow the price. The widest step is $8,200, from Base to SLE.
The numbers.
Six configurations: rear-wheel or four-wheel drive, 8-speed automatic or 10-speed automatic.
355hp5.3L eight-cylinder
383lb-ftTorque
19mpgCombined · 16–17 city · 22–23 highway
RWD / 4WD8-speed shiftable automatic / 10-speed shiftable automatic
6Seats
4,810–5,080 lbsCurb weight
6,800–7,000 lbsGVWR
11,000–12,100 lbsMax towing
1,940–2,040 lbsMax payload
143 standard items.
Five groups, sized by how much is in each.
- Fuel type
- EPA city/highway MPG
- EPA combined MPG
- Range in miles (city/hwy)
- Fuel tank capacity
- EPA city/highway MPG
- Range in miles (city/hwy)
- front independent suspension
- Stabilizer bar stabilizer bar
- Transmission
- Drive type
- Rear locking differential
- Transmission
- Drive type
- on demand 4WD
- electronic single-speed
- automatic locking hubs
- Base engine size
- Cylinders
- Base engine type
- Horsepower
- Torque
- Valves
- Cam type
- Valve timing
- direct injection
- cylinder deactivation
- Length
- Overall width without mirrors
- Height
- Wheelbase
- Bed length
- Turning circle
- Ground clearance
- Curb weight
- Maximum towing capacity
- Maximum payload
- Gross weight
- Country of final assembly
- Length
- Height
- Bed length
- Ground clearance
- Curb weight
- Maximum towing capacity
- Maximum payload
- Gross weight
- painted alloy wheels
- 18 x 8.5 in. wheels
- All season tires
- P265/65R18 tires
- fullsize non-matching spare tire
- underbody mounted spare tire
- Rear head room
- Rear leg room
- Rear shoulder room
- Rear hip room
- Split-folding rear seatback
- folding center armrest
- Rear head room
- Rear leg room
- Rear shoulder room
- Front head room
- Front leg room
- Front shoulder room
- Front hip room
- leather
- 40-20-40 split bench front seats
- 8-way power driver seat
- height adjustable driver seat
- Driver seat with power adjustable lumbar support
- 2 memorized driver seat settings
- 8-way power passenger seat
- height adjustable passenger seat
- Passenger seat with power adjustable lumbar support
- multi-level heated driver seat
- multi-level heated passenger seat
- keyless ignition
- tilt and telescopic steering wheel
- Audio and cruise controls on steering wheel
- electric power steering
- rear view camera
- cruise control
- front cupholders
- front and rear door pockets
- front seatback storage
- leather steering wheel
- heated steering wheel
- Dual zone front climate control
- rear ventilation ducts
- Sun sensor
- Dual illuminating vanity mirrors
- electrochromatic inside rearview mirror
- front and rear cupholders
- trip computer
- compass
- external temperature display
- tachometer
- clock
- 4 one-touch power windows
- hands-free entry
- Heated mirrors
- post-collision safety system
- dual front side-mounted airbags
- front and rear head airbags
- Passenger airbag occupant sensing deactivation
- stability control
- traction control
- child seat anchors
- Rear door child safety locks
- 4-wheel ABS
- Front and rear ventilated disc brakes
- Emergency braking assist
- tire pressure monitoring
- dusk sensing headlamps
- auto delay off headlamps
- LED headlamp
- daytime running lights
- front fog/driving lights
- 2 front headrests
- Front height adjustable headrests
- 2 rear headrests
- Rear height adjustable headrests
- Front center 3-point belt
- Rear center 3-point belt
- remote anti-theft alarm system
- engine immobilizer
- AM/FM stereo
- 6 total speakers
- Android Auto/Apple CarPlay
- USB connection
- auxiliary audio input and USB with external media control
- memory card slot
- satellite radio satellite radio
- speed sensitive volume control
- Emergency Service
- Airbag Deployment Notification
- Stolen Vehicle Tracking/Assistance
- Hands-Free Calling
- Roadside Assistance
- Concierge Service
- Destination guidance (also Turn-by-Turn Navigation)
- Destination Download
2 interiors
- Jet Black
- Dark Walnut/Slate
Both leather.
12 factory paints
- Satin Steel Metallic
- Carbon Black Metallic
- Pacific Blue Metallic
- Cardinal Red
- Smokey Quartz Metallic
- Red Quartz Tintcoat
- Summit White
- Quicksilver Metallic
- White Frost Tricoat
- Dark Sky Metallic
- Deep Mahogany Metallic
- Onyx Black
8 of the 12 are shown on the car at the top.
Safety and recalls
12 recall campaigns on file.
Recalls are settled per car, not per model. Check the one you are buying.
NHTSA crash-test ratings for the 2020 Sierra 1500.
NHTSA NCAP · checked Oct 2026
Factory coverage.
It runs from the first sale date, not the model year.
Basic
3 yr / 36,000 mi
Powertrain
5 yr / 60,000 mi
Rust
6 yr / 100,000 mi
Roadside
5 yr / 60,000 mi
Maintenance
1 yr
Sold2 yr4 yr6 yr
Sponsored · Insurance offers
What would this Sierra 1500 cost to insure?
Advertiser disclosure: we may earn a commission when you get a quote or buy through links on this page. Rates depend on the driver, the car and the ZIP.
Other years of the Sierra 1500 SLT.
2021 Sierra 1500 SLT
$47,500$3,200 more11 colors · starting MSRP
2019 Sierra 1500 SLT
$44,30015 colors · starting MSRP
2022 Sierra 1500 SLT
$52,200$7,900 more10 colors · starting MSRPPictures show this year's car in another paint. Starting MSRP is before destination, taxes and dealer fees.