Used 2021 GMC Sierra 1500 Base Specs & Features

Starting MSRP

$34,000

Overview

Combined MPG	17 MPG
Drive Type	rear wheel drive
Total Seating	6
Bed length	79.4 in.
Payload Capacity	2,040 lbs.
Towing Capacity	9,700 lbs.
Curb Weight	4,720 lbs.
Basic Warranty	3 yr./ 36,000 mi.
Country of final assembly	Mexico/United States

Fuel & MPG

Fuel type	Flex-fuel (unleaded/E85)
EPA city/highway MPG	16/21 MPG
EPA combined MPG	17 MPG

Range in miles (city/hwy)	384.0/504.0 mi.
Fuel tank capacity	24.0 gal.

2021 GMC Sierra 1500 for sale near you

3 of 143 listings

AT4 Diesel Crew Cab
MSRP: $37,900
53 mi away
AT4 Crew Cab
MSRP: $40,977
49 mi away
Base Regular Cab
MSRP: $24,777
49 mi away

Denali Crew Cab
MSRP: $44,597
80 mi away
Denali Diesel Crew Cab
MSRP: $39,500
96 mi away
AT4 Diesel Crew Cab
MSRP: $44,985
80 mi away
AT4 Crew Cab
MSRP: $43,817
80 mi away
SLT Diesel Crew Cab
MSRP: $40,019
80 mi away
Denali Diesel Crew Cab
MSRP: $52,495
80 mi away

See all 143 listings

Engine

Base engine size	4.3 L
Cylinders	V6
Base engine type	Flex-fuel (FFV)

Horsepower	285 hp @ 5,300 rpm
Torque	305 lb-ft @ 3,900 rpm
Valves	12
Cam type	Overhead valves (OHV)
Valve timing	Variable
Direct injection	Standard
Cylinder deactivation	Standard

Towing & Hauling

Max Towing Capacity	9,700 lbs.
Max Payload Capacity	2,040 lbs.

Drivetrain

Transmission	6-speed shiftable automatic
Drive type	Rear wheel drive

Incentives

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Suspension

Front independent suspension	Standard
Stabilizer bar stabilizer bar	Standard

Dimensions

Length	231.8 in.
Overall width without mirrors	81.2 in.
Height	75.6 in.

Wheelbase	147.4 in.
Bed length	79.4 in.
Turning circle	46.3 ft.
Ground clearance	7.9 in.
Curb weight	4,720 lbs.
Maximum towing capacity	9,700 lbs.
Maximum payload	2,040 lbs.
Gross weight	6,800 lbs.
Country of final assembly	Mexico/United States

Colors

Exterior Colors	Brownstone Metallic Pacific Blue Metallic Satin Steel Metallic Quicksilver Metallic Dark Sky Metallic Cardinal Red Summit White Onyx Black
Interior Colors	Jet Black, cloth Jet Black, vinyl

Front Seat Dimensions

Front head room	43.0 in.
Front leg room	44.5 in.
Front shoulder room	66.0 in.

Front hip room	61.2 in.
Cloth	Standard
40-20-40 split bench front seats	Standard
4-way manual driver seat adjustments	Standard
4-way manual passenger seat adjustment	Standard

Rear Seat Dimensions

Rear head room	39.9 in.
Rear leg room	35.2 in.
Rear shoulder room	64.9 in.

Rear hip room	60.2 in.
Split-folding rear seatback	Standard
Folding center armrest	Standard

Safety

Post-collision safety system	Standard
Dual front side-mounted airbags	Standard
Front and rear head airbags	Standard

Passenger airbag occupant sensing deactivation	Standard
Stability control	Standard
Traction control	Standard
Child seat anchors	Standard
Rear door child safety locks	Standard
4-wheel ABS	Standard
Front and rear ventilated disc brakes	Standard
Emergency braking assist	Standard
Tire pressure monitoring	Standard
Dusk sensing headlamps	Standard
Auto delay off headlamps	Standard
LED headlamp	Standard
Daytime running lights	Standard
2 front headrests	Standard
Front fixed headrests	Standard
2 rear headrests	Standard
Rear height adjustable headrests	Standard
Front center 3-point belt	Standard
Rear center 3-point belt	Standard
Engine immobilizer	Standard

Build Your 2025 Sierra 1500

At a Glance:

1 Trim
$65,400starting MSRP

Build & Price GMC.com

*The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.

In-Car Entertainment

AM/FM stereo	Standard
6 total speakers	Standard
Android Auto/Apple CarPlay	Standard

USB connection	Standard
USB with external media control	Standard
Speed sensitive volume control	Standard

Power Feature

4 one-touch power windows	Standard
Power door locks	Standard
Heated mirrors	Standard

Comfort & Convenience

Tilt-adjustable steering wheel	Standard
Cruise controls on steering wheel	Standard
Electric power steering	Standard

Rear view camera	Standard
Cruise control	Standard
Front cupholders	Standard
Front and rear door pockets	Standard
Single zone front air conditioning	Standard
Rear ventilation ducts	Standard

Instrumentation

Trip computer	Standard
External temperature display	Standard
Tachometer	Standard

Clock	Standard

Tires & Wheels

Painted steel wheels	Standard
17 x 8.0 in. wheels	Standard
All season tires	Standard

255/70R17 tires	Standard
Fullsize non-matching spare tire	Standard
Underbody mounted spare tire	Standard

Warranty

Basic	3 yr./ 36,000 mi.
Drivetrain	5 yr./ 60,000 mi.
Rust	6 yr./ 100,000 mi.

Roadside assistance	5 yr./ 60,000 mi.
Free maintenance	1 yr./ unlimited mi.

Mechanical Options

Auto-Locking Rear Differential	+$395
EcoTec3 5.3L DI V8 Engine	+$1,395
Integrated Trailer Brake Controller	+$275

E85 FlexFuel Capable	+$100
High-Capacity Air Filter	+$25
Engine Block Heater	+$100
2.7L Turbo Engine	Standard

Packages

Convenience Package	+$1,245
Sierra Value Package	+$1,140
GMC Protection Package	+$370

Trailering Package	+$395

Safety & Security Options

1SA Driver Alert Package I	+$1,165
1SA Safety Confidence Package	+$615

Interior Options

Semi-Automatic Single-Zone Air Conditioning	+$100
SiriusXM Radio	+$100
Color-Keyed Carpet Floor Covering	+$100

OnStar and GMC Connected Services Capable	+$175
120-Volt Instrument Panel Power Outlet	+$225
10-Way Power Seat Adjuster w/Power Lumbar	+$290
Cruise Control	+$225
All-Weather Floor Liner	+$210

Exterior Options

Tri-fold Soft Tonneau Cover	+$700
Outside Power-Adjustable Vertical Trailering Mirrors	+$490
Black Semi-Gloss Rear Bumper	+$0

Black Front and Rear Molded Splash Guards	+$190
LED Cargo Area Lighting	+$125
Spray-On Bed Liner	+$545
265/70R17 All-Terrain Blackwall Tires	+$200
GMC MultiPro Tailgate	+$595
17" x 8" 6-Spoke Bright Silver Painted Aluminum Wheels	+$350
Black Assist Step	+$450
Front License Plate Kit	+$0
LT265/70R17C All Terrain Blackwall Tires	+$395
Black Semi-Gloss Front Bumper	+$0
Bedside Storage Boxes	+$1,250
GMC MultiPro Tailgate Step Lights	+$200
Cargo Tie-Downs	+$100

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Used 2021 GMC Sierra 1500 Base - Specs & Features