Seth Wadley Ford Logo Horz.png
Seth Wadley Has Invested
$
On Our Customers' Vehicles
From 2008 - 2023 & Growing
star_border star

Used 2021 Chevrolet Silverado 2500HD High Country

VIN: 1GC4YREYXMF311905
Stock #: R1237321A

114,841 mi.

On Lot

Vehicle Details

Trans.:10-Speed Automatic
Drivetrain:Four Wheel Drive
Engine: Duramax 6.6L V8 Turbodiesel
Fuel Type:Diesel
Ext. Color:Black
Int. Color:Jet Black/Umber
OUR PRICE
$51,988
people recently viewed this vehicle*

Description

Experience the Difference at Seth Wadley Chevrolet of Ada, home of Engines and Oil changes for life, including Diesels!!! Must have a trade and use our dealer financing to receive the current advertised pricing. See dealer for details.


2021 Black Chevrolet Silverado 2500HD High Country 4WD 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, 12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 170 Amp Alternator, 4G LTE Wi-Fi Hotspot Capable, 6″ Rectangular Chromed Tubular Assist Steps, 8″ Diagonal Multicolor Digital Display DIC, Advanced Trailering System, Auto-Dimming Inside Rear-View Mirror, Bed View Camera w/2 Trailer Camera Provisions, Black Chevytec Spray-On Bedliner w/Chevrolet Logo, Bluetooth® For Phone, BOSE Premium 7-Speaker Sound System, Chevrolet Connected Access Capable, Chrome Front Grille, Chrome Mirror Caps, Chrome Recovery Hooks, Color-Keyed Carpeting Floor Covering, Compass, Deep-Tinted Glass, Driver Memory, Dual Charge-Only USB Ports (2nd Row), Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Electronic Cruise Control w/Set & Resume Speed, Floor-Mounted Center Console, Front Carpeted Floor Mats, Front LED Fog Lamps, HD Radio, HD Surround Vision w/2 Trailer View Cam Provisions, Heated & Auto-Dim Pwr Vertical Trailering Mirrors, Heated 2nd Row Outboard Seats, Heated Driver & Front Outboard Passenger Seating, Heated Steering Wheel, Hitch Guidance w/Hitch View, Integrated Trailer Brake Controller, Keyless Open & Start, Lane Change Alert w/Side Blind Zone Alert, Leather-Wrapped Steering Wheel, LED Cargo Area Lighting, Manual Tilt & Telescoping Steering Column, Navigation System, OnStar & Chevrolet Connected Services Capable, Polished Exhaust Tip, Power Door Locks, Power Front Windows w/Driver Express Up/Down, Power Front Windows w/Passenger Express Up/Down, Power Rear Windows w/Express Down, Power Sliding Rear Window w/Defogger, Preferred Equipment Group 3LZ, Rear Carpeted Floor Mats, Rear Cross Traffic Alert, Rear Wheelhouse Liners, Remote Vehicle Starter System, SiriusXM w/360L, Steering Wheel Audio Controls, Suspension Package, Ultrasonic Front & Rear Park Assist, Unauthorized Entry Theft-Deterrent System, Universal Home Remote, Up-Level Rear Seat w/Storage Package, Ventilated Driver & Front Passenger Seats, Wireless Charging, Wireless Phone Projection, 220 Amp Alternator, 3.42 Rear Axle Ratio, 3.73 Rear Axle Ratio, 4-Wheel Disc Brakes, 7 Speakers, 720 Cold-Cranking Amps Heavy-Duty Battery, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic temperature control, Brake assist, Bumpers: body-color, Delay-off headlights, Driver door bin, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Engine Block Heater, Exhaust Brake, Exterior Parking Camera Rear, Front anti-roll bar, Front Bucket Seats, Front Bucket Seats w/Center Console, Front Center Armrest, Front dual zone A/C, Front fog lights, Front License Plate Kit, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Garage door transmitter, Heated door mirrors, Heated front seats, Heated rear seats, Heated steering wheel, Hill Descent Control, Illuminated entry, Low tire pressure warning, Memory seat, Occupant sensing airbag, Off-Road Suspension, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Perforated Leather-Appointed Seat Trim, Power door mirrors, Power driver seat, Power passenger seat, Power steering, Power Sunroof, Power windows, Premium audio system: Chevrolet Infotainment 3 Premium, Radio: Chevrolet Infotainment 3 Premium System, Rear reading lights, Rear seat center armrest, Rear step bumper, Rear window defroster, Remote keyless entry, Secu
  • JET BLACK/UMBER, PERFORATED LEATHER SEAT TRIM
  • ENGINE, DURAMAX 6.6L TURBO-DIESEL V8

Standard Features

  • Navigation System
  • Preferred Equipment Group 3LZ
  • Suspension Package
  • Up-Level Rear Seat w/Storage Package
  • Z71 Off-Road Package
  • 7 Speakers
  • AM/FM radio: SiriusXM with 360L
  • BOSE Premium 7-Speaker Sound System
  • HD Radio
  • Premium audio system: Chevrolet Infotainment 3 Premium
  • Radio: Chevrolet Infotainment 3 Premium System
  • SiriusXM w/360L
  • Steering Wheel Audio Controls
  • Air Conditioning
  • Automatic temperature control
  • Electric Rear-Window Defogger
  • Front dual zone A/C
  • Rear window defroster
  • 12-Volt Rear Auxiliary Power Outlet
  • 120-Volt Bed Mounted Power Outlet
  • 120-Volt Instrument Panel Power Outlet
  • Bluetooth® For Phone
  • Driver Memory
  • Memory seat
  • Power driver seat
  • Power Front Windows w/Driver Express Up/Down
  • Power Front Windows w/Passenger Express Up/Down
  • Power Rear Windows w/Express Down
  • Power steering
  • Power windows
  • Remote keyless entry
  • Remote Vehicle Starter System
  • Steering wheel mounted audio controls
  • Universal Home Remote
  • Manual Tilt & Telescoping Steering Column
  • Off-Road Suspension
  • Speed-sensing steering
  • Traction control
  • 4-Wheel Disc Brakes
  • ABS brakes
  • Dual front impact airbags
  • Dual front side impact airbags
  • Front anti-roll bar
  • Front wheel independent suspension
  • Keyless Open & Start
  • Low tire pressure warning
  • Occupant sensing airbag
  • Overhead airbag
  • Power Door Locks
  • Power Sunroof
  • Brake assist
  • Electronic Stability Control
  • Exterior Parking Camera Rear
  • Hill Descent Control
  • Delay-off headlights
  • Front fog lights
  • Fully automatic headlights
  • Panic alarm
  • Security system
  • Unauthorized Entry Theft-Deterrent System
  • Electronic Cruise Control w/Set & Resume Speed
  • Speed control
  • 170 Amp Alternator
  • 220 Amp Alternator
  • 720 Cold-Cranking Amps Heavy-Duty Battery
  • Engine Block Heater
  • Exhaust Brake
  • 6″ Rectangular Chromed Tubular Assist Steps
  • Auto-dimming door mirrors
  • Black Chevytec Spray-On Bedliner w/Chevrolet Logo
  • Bumpers: body-color
  • Chrome Front Grille
  • Chrome Mirror Caps
  • Front LED Fog Lamps
  • Front License Plate Kit
  • Heated & Auto-Dim Pwr Vertical Trailering Mirrors
  • Heated door mirrors
  • LED Cargo Area Lighting
  • Polished Exhaust Tip
  • Power door mirrors
  • Rear step bumper
  • Rear Wheelhouse Liners
  • Turn signal indicator mirrors
  • Winter Grille Cover
  • 4G LTE Wi-Fi Hotspot Capable
  • 8″ Diagonal Multicolor Digital Display DIC
  • Apple CarPlay/Android Auto
  • Auto-Dimming Inside Rear-View Mirror
  • Auto-dimming Rear-View mirror
  • Bed View Camera w/2 Trailer Camera Provisions
  • Chevrolet Connected Access Capable
  • Color-Keyed Carpeting Floor Covering
  • Compass
  • Driver door bin
  • Driver vanity mirror
  • Dual Charge-Only USB Ports (2nd Row)
  • Electrical Lock Control Steering Column
  • Floor-Mounted Center Console
  • Front Bucket Seats w/Center Console
  • Front Carpeted Floor Mats
  • Front reading lights
  • Garage door transmitter
  • HD Surround Vision w/2 Trailer View Cam Provisions
  • Heated Steering Wheel
  • Heated steering wheel
  • Illuminated entry
  • Lane Change Alert w/Side Blind Zone Alert
  • Leather-Wrapped Steering Wheel
  • OnStar & Chevrolet Connected Services Capable
  • Outside temperature display
  • Overhead console
  • Passenger vanity mirror
  • Rear Carpeted Floor Mats
  • Rear Cross Traffic Alert
  • Rear reading lights
  • Rear seat center armrest
  • Tachometer
  • Telescoping steering wheel
  • Tilt steering wheel
  • Trip computer
  • Ultrasonic Front & Rear Park Assist
  • Voltmeter
  • Wireless Charging
  • Wireless Phone Projection
  • 10-Way Power Driver Seat Adjuster w/Lumbar
  • 10-Way Power Passenger Seat Adjuster w/Lumbar
  • Front Bucket Seats
  • Front Center Armrest
  • Heated 2nd Row Outboard Seats
  • Heated Driver & Front Outboard Passenger Seating
  • Heated front seats
  • Heated rear seats
  • Perforated Leather-Appointed Seat Trim
  • Power passenger seat
  • Split folding rear seat
  • Ventilated Driver & Front Passenger Seats
  • Ventilated front seats
  • Passenger door bin
  • Advanced Trailering System
  • Chrome Recovery Hooks
  • Hitch Guidance w/Hitch View
  • Integrated Trailer Brake Controller
  • Trailer Tire Pressure Monitor Sensors
  • Alloy wheels
  • Wheels: 20″ 16-Spoke Polished Aluminum
  • Deep-Tinted Glass
  • Power Sliding Rear Window w/Defogger
  • Variably intermittent wipers
  • 3.42 Rear Axle Ratio
  • 3.73 Rear Axle Ratio
  • SKIRTED FLATBED

Vehicle Location

Seth Wadley Chevrolet Buick of Ada
1301 N Broadway Ave
Ada, OK 74820

VEHICLE DATA
Certain specifications, prices and equipment data have been provided under license from Chrome Data Solutions (\’Chrome Data\’). © 2025 Chrome Data Solutions, LP. All Rights Reserved. This information is supplied for personal use only and may not be used for any commercial purpose whatsoever without the express written consent of Chrome Data. Chrome Data makes no guarantee or warranty, either expressed or implied, including without limitation any warranty of merchantability or fitness for particular purpose, with respect to the data presented here. All specifications, prices and equipment are subject to change without notice.

ESTIMATE MPG
EPA mileage ratings are supplied by Chrome Data Solutions, LP for comparison purposes only. Your actual mileage will vary, depending on how you drive and maintain your vehicle, driving conditions, battery pack age/condition (hybrid models only) and other factors.

Based on 2019 EPA mileage ratings. Your MPGe/MPG and driving range will vary depending on driving conditions, how you drive and maintain your vehicle, battery-pack age/condition, and other factors.

PRICING
Vehicle pricing is believed to be accurate. Tax, title and registration are not included in prices shown unless otherwise stated. Manufacturer incentives may vary by region and are subject to change. Vehicle information & features are based upon standard equipment and may vary by vehicle. Monthly payments may be higher or lower based upon incentives, qualifying programs, credit qualifications, residency & fees. No claims, or warranties are made to guarantee the accuracy of vehicle pricing, payments or actual equipment. Call to confirm accuracy of any information.

*Number of views in last 30 days

Special Ford Courtesy Vehicle

Ford Courtesy Vehicles are low mileage used vehicles that are eligible for New Vehicle Retail Incentive Offers and the balance of the New Vehicle Limited Warranty. These vehicles were formerly used by our customers and cared for by our very own service department.

×

Technical Specifications

  • Vehicle Name: Chevrolet Silverado 2500HD
  • Body Style: Crew Cab Pickup
  • Body Code: E63
  • Drivetrain: Four Wheel Drive
  • Passenger Capacity: 5
  • Number of Passenger Doors:
  • Gross Axle Wt Rating – Front: 5600, 6000
  • Gross Axle Wt Rating – Rear: 6390, 6600
  • Curb Weight – Front: 3849
  • Curb Weight – Rear: 2784
  • Gross Vehicle Weight Rating Cap: 10000, 10650, 11350
  • Fuel Economy Est-Combined:
  • EPA Fuel Economy Est – City:
  • EPA Fuel Economy Est – Hwy:
  • Gross Combined Wt Rating: 26000
  • Dead Weight Hitch – Max Trailer Wt.: 5000
  • Dead Weight Hitch – Max Tongue Wt.: 500
  • Wt Distributing Hitch – Max Trailer Wt.: – TBD –
  • Wt Distributing Hitch – Max Tongue Wt.: – TBD –
  • Fifth Wheel Hitch – Max Trailer Wt.: 18310
  • Fifth Wheel Hitch – Max Tongue Wt.: 4578
  • Maximum Trailering Capacity: 18500
  • Engine Order Code: L5P
  • Engine Type: Turbocharged Diesel V8
  • Displacement: 6.6L/403
  • Fuel System: Direct Injection
  • SAE Net Horsepower @ RPM: 445 @ 2800
  • SAE Net Torque @ RPM: 910 @ 1600
  • Trans Order Code: MGM, MYD
  • Trans Type: 10, 6
  • Trans Description Cont.: Automatic
  • Trans Description Cont. Again:
  • First Gear Ratio (:1): 4.03, 4.54
  • Second Gear Ratio (:1): 2.36, 2.86
  • Third Gear Ratio (:1): 1.53, 2.06
  • Fourth Gear Ratio (:1): 1.15, 1.72
  • Fifth Gear Ratio (:1): 0.85, 1.48
  • Sixth Gear Ratio (:1): 0.67, 1.26
  • Reverse Ratio (:1): 3.06, 4.54
  • Clutch Size:
  • 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:
  • Cold Cranking Amps @ 0° F (Primary): 730
  • Cold Cranking Amps @ 0° F (2nd): 730
  • Tons/yr of CO2 Emissions @ 15K mi/year:
  • Maximum Alternator Capacity (amps): 170, 220, 390
  • Maximum Alternator Watts:
  • Total Cooling System Capacity: – TBD –
  • Engine Oil Cooler: Yes
  • Frame Type: Hydroformed
  • Suspension Type – Front: Short/Long Arm
  • Suspension Type – Rear: Multi-Leaf Springs
  • Spring Capacity – Front: – TBD –
  • Spring Capacity – Rear: – TBD –
  • Axle Type – Front: – TBD –
  • Axle Type – Rear: – TBD –
  • Axle Capacity – Front: – TBD –
  • Axle Capacity – Rear: – TBD –
  • Axle Ratio (:1) – Front: 3.42, 3.73
  • Axle Ratio (:1) – Rear: 3.42, 3.73
  • Shock Absorber Diameter – Front: 51.0
  • Shock Absorber Diameter – Rear: 51.0
  • Stabilizer Bar Diameter – Front: 1.38
  • Stabilizer Bar Diameter – Rear:
  • Front Tire Order Code: QF9
  • Rear Tire Order Code: QF9
  • Spare Tire Order Code: ZYG
  • Front Tire Size: LT275/65R20
  • Rear Tire Size: LT275/65R20
  • Spare Tire Size: LT275/70R18
  • Front Tire Capacity: 3020
  • Rear Tire Capacity: 3373
  • Spare Tire Capacity: 3638
  • Revolutions/Mile @ 45 mph – Front: – TBD –
  • Revolutions/Mile @ 45 mph – Rear: – TBD –
  • Revolutions/Mile @ 45 mph – Spare: – TBD –
  • Front Wheel Size: 20 x – TBD -, 20 x 8.5
  • Rear Wheel Size: 20 x – TBD -, 20 x 8.5
  • Spare Wheel Size: 18 x 8.0
  • Front Wheel Material: Aluminum
  • Rear Wheel Material: Aluminum
  • Spare Wheel Material: Steel
  • Steering Type: Pwr
  • Steering Ratio (:1), On Center: – TBD –
  • Steering Ratio (:1), At Lock: – TBD –
  • Turning Diameter – Curb to Curb: 52.7
  • Turning Diameter – Wall to Wall:
  • 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: 14.0 x 1.6
  • Rear Brake Rotor Diam x Thickness: 14.1 x 1.3
  • Drum – Rear (Yes or ):
  • Rear Drum Diam x Width:
  • Fuel Tank Capacity, Approx: 36
  • Aux Fuel Tank Capacity, Approx:
  • Fuel Tank Location: – TBD –
  • Aux Fuel Tank Location:
  • Front Head Room: 43.03
  • Front Leg Room: 44.53
  • Front Shoulder Room: 66.02
  • Front Hip Room: 61.18
  • Second Head Room: 40.12
  • Second Leg Room: 43.4
  • Second Shoulder Room: 65.3
  • Second Hip Room: 60.24
  • Wheelbase: 158.94
  • Length, Overall: 249.95
  • Width, Max w/o mirrors: 81.85
  • Height, Overall: 79.82
  • Overhang, Front: – TBD –
  • Overhang, Rear w/o bumper: – TBD –
  • Front Bumper to Back of Cab: – TBD –
  • Cab to Axle: 42.1
  • Cab to End of Frame: – TBD –
  • Ground to Top of Load Floor: – TBD –
  • Ground to Top of Frame: – TBD –
  • Frame Width, Rear: – TBD –
  • Ground Clearance, Front: 10.12
  • Ground Clearance, Rear: 10.12
  • Cargo Box Length @ Floor: 82.25
  • Cargo Box Width @ Top, Rear: – TBD –
  • Cargo Box Width @ Floor: 71.4
  • Cargo Box Width @ Wheelhousings: 51.85
  • Cargo Box (Area) Height: 21
  • Tailgate Width: – TBD –
  • Cargo Volume: 69.5
  • Ext’d Cab Cargo Volume: – TBD –
  • Seventh Gear Ratio (:1): , 1.00
  • Eighth Gear Ratio (:1): , 0.85
  • Ninth Gear Ratio (:1): , 0.68
  • Tenth Gear Ratio (:1): , 0.63
  • Country of Origin: United States Chevrolet Trucks
  • Model Group: Silverado
  • Vehicle Segment: Large Pick-up
  • Vehicle Type: Crew Cab
  • Body Cab Style: Crew Cab
  • Bed Style: regular
  • Engine Displacement Units: 6.6, 6.6, 6.6
  • Engine Camshaft: OHV, OHV, OHV
  • Engine Block Type: iron, iron, iron
  • Engine Cylinder Count: 8, 8, 8
  • Engine Valve Count: 2, 2, 4
Special Offers
We're sorry, there are no incentives available at the moment. We're working to bring you the latest incentives now, check back soon!

Almost there!

Complete this short form and we will get in touch with you soon. Thank you!

  • This field is for validation purposes and should be left unchanged.

Find Your Next Vehicle

search by model, color, options, or anything else...