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Overview
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Review
Specs
Pricing
Fuel Economy

2018 GMC Sierra 1500

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$29,000 - $56,300 Starting MSRP
2018 GMC Sierra 1500
2018 GMC Sierra 1500
2018 GMC Sierra 1500
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Onyx Black

Model Highlights
Fuel Economy

17 MPG Comb.

Body Type

Truck

Transmission

Automatic

Seatings

6 Seats

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Overview

The 2018 GMC Sierra is offered in Regular Cab, Double Cab and Crew Cab models, with two different bed lengths. Among those, power is provided by a choice between V6 and V8 powertrains. The base 4.3L V6 makes 285 horsepower and 305 pound-feet of...

Colors

Exterior

Onyx Black

Dark Slate Metallic

Mineral Metallic

Red Quartz Tintcoat

Quicksilver Metallic

White Frost Tricoat

Specs

Engine
Engine Type: Gas V8
Fuel System: Direct Injection
Engine Order Code: L83
Displacement: 5.3L/325
SAE Net Horsepower @ RPM: 355 @ 5600
SAE Net Torque @ RPM: 383 @ 4100
Engine Oil Cooler: Yes
Transmission
Drivetrain: Four Wheel Drive
Trans Order Code: M5U
Trans Type: 8
Trans Description Cont.: Automatic
Trans Description Cont. Again:
First Gear Ratio (:1): 4.56
Second Gear Ratio (:1): 2.97
Third Gear Ratio (:1): 2.08
Fourth Gear Ratio (:1): 1.69
Fifth Gear Ratio (:1): 1.27
Sixth Gear Ratio (:1): 1.00
Seventh Gear Ratio (:1): 0.85
Eighth Gear Ratio (:1): 0.65
Reverse Ratio (:1): 3.82
Clutch Size (in):
Trans Power Take Off:
Trans PTO Access:
Transfer Case Model: Magna MP3023/4
Transfer Case Gear Ratio (:1), High: 1.00
Transfer Case Gear Ratio (:1), Low: 2.69
Transfer Case Power Take Off:
Mileage
Fuel Economy Est-Combined (MPG): 17
EPA Fuel Economy Est - City (MPG): 15
EPA Fuel Economy Est - Hwy (MPG): 20
Cold Cranking Amps @ 0° F (Primary): 720
Cold Cranking Amps @ 0° F (2nd):
Maximum Alternator Capacity (amps): 150
Maximum Alternator Watts: - TBD -
Total Cooling System Capacity (qts): - TBD -
Gross Axle Wt Rating - Front (lbs): 3950
Gross Axle Wt Rating - Rear (lbs): 3950
Curb Weight - Front (lbs): - TBD -
Curb Weight - Rear (lbs): - TBD -
Gross Vehicle Weight Rating Cap (lbs): 7200
Gross Combined Wt Rating (lbs): 15000
Dead Weight Hitch - Max Trailer Wt. (lbs): 5000
Dead Weight Hitch - Max Tongue Wt. (lbs): 500
Wt Distributing Hitch - Max Trailer Wt. (lbs): 9100
Wt Distributing Hitch - Max Tongue Wt. (lbs): 910
Fifth Wheel Hitch - Max Trailer Wt. (lbs):
Fifth Wheel Hitch - Max Tongue Wt. (lbs):
Maximum Trailering Capacity (lbs): 9100
Suspension Type - Front: Independent
Suspension Type - Rear: 2-Stage Multi-Leaf
Spring Capacity - Front (lbs): 3950
Spring Capacity - Rear (lbs): 3950
Axle Type - Front: Independent Driving
Axle Type - Rear: Semi-floating
Axle Capacity - Front (lbs): 3950
Axle Capacity - Rear (lbs): 3950
Axle Ratio (:1) - Front: 3.42
Axle Ratio (:1) - Rear: 3.42
Shock Absorber Diameter - Front (mm): 46.00
Shock Absorber Diameter - Rear (mm): 35.00
Stabilizer Bar Diameter - Front (in): 1.35
Stabilizer Bar Diameter - Rear (in):
Brake Type: Pwr
Brake ABS System: 4-Wheel
Brake ABS System (Second Line):
Disc - Front (Yes or ): Yes
Disc - Rear (Yes or ): Yes
Front Brake Rotor Diam x Thickness (in): 13.00 x 1.18
Rear Brake Rotor Diam x Thickness (in): 13.60 x 0.79
Drum - Rear (Yes or ):
Rear Drum Diam x Width (in):
Front Tire Order Code: QSS
Rear Tire Order Code: QSS
Spare Tire Order Code: RC4
Front Tire Size: P275/55R20
Rear Tire Size: P275/55R20
Spare Tire Size: P265/70R17
Front Tire Capacity (lbs): - TBD -
Rear Tire Capacity (lbs): - TBD -
Spare Tire Capacity (lbs): - TBD -
Revolutions/Mile @ 45 mph - Front: - TBD -
Revolutions/Mile @ 45 mph - Rear: - TBD -
Revolutions/Mile @ 45 mph - Spare: - TBD -
Front Wheel Size (in): 20 x 9.0
Rear Wheel Size (in): 20 x 9.0
Spare Wheel Size (in): 17 x - TBD -
Front Wheel Material: Aluminum
Rear Wheel Material: Aluminum
Spare Wheel Material: Steel
Steering Type: Electric Rack & Pinion
Steering Ratio (:1), On Center: - TBD -
Steering Ratio (:1), At Lock: - TBD -
Turning Diameter - Curb to Curb (ft): 48.6
Turning Diameter - Wall to Wall (ft): - TBD -
Frame Type: Hydroformed
Fuel Tank Capacity, Approx (gal): 26
Aux Fuel Tank Capacity, Approx (gal):
Fuel Tank Location: - TBD -
Aux Fuel Tank Location:
Wheelbase (in): 153.00
Length, Overall w/o rear bumper (in): 238.90
Width, Max w/o mirrors (in): 80.00
Height, Overall (in): 73.80
Overhang, Front (in): - TBD -
Overhang, Rear w/o bumper (in): - TBD -
Front Bumper to Back of Cab (in): 150.40
Cab to Axle (in): 41.47
Cab to End of Frame (in): - TBD -
Ground to Top of Load Floor (in): 34.1
Ground to Top of Frame (in): - TBD -
Frame Width, Rear (in): - TBD -
Ground Clearance, Front (in): 8.93
Ground Clearance, Rear (in): 8.93
Cargo Box Length @ Floor (in): 78.87
Cargo Box Width @ Top, Rear (in): - TBD -
Cargo Box Width @ Floor (in): 64.6
Cargo Box Width @ Wheelhousings (in): 51.03
Cargo Box (Area) Height (in): 21.10
Tailgate Width (in): - TBD -
Cargo Volume (ft³): 61.00
Ext'd Cab Cargo Volume (ft³): - TBD -
Passenger Capacity: 6
Front Head Room (in): 42.80
Front Leg Room (in): 45.27
Front Shoulder Room (in): 66.03
Front Hip Room (in): 60.73
Second Head Room (in): 40.50
Second Leg Room (in): 40.93
Second Shoulder Room (in): 65.73
Second Hip Room (in): 60.27
Vehicle Name: GMC Sierra 1500
Body Style: Crew Cab Pickup
Body Code: E63
EPA Greenhouse Gas Score: - TBD -
Tons/yr of CO2 Emissions @ 15K mi/year: 10.3

Pricing

This model has 26 different trims.
MSRP$56,300
Invoice$52,640
Description5.3L/325, 355 @ 5600, Automatic

Fuel Economy

This model has 26 different trims.
City15 MPG
Hwy20 MPG
Combined17 MPG
Description5.3L/325, 355 @ 5600, Automatic

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