2021 Ram 1500

Key specifications

Condition

Used

Stock #

A-2208

VIN

1C6SRFU9XMN******

Status

Available

Body Style

4-Door Crew Cab Pickup Truck

Mileage

25,050 mi

Engine

6.2L Supercharged Hellcat HEMI V8 (Hennessey Mammoth 900)

Engine Size

6.2L

Horsepower

912

Fuel Type

Gasoline

Transmission

8-Speed Automatic

Drivetrain

Four-Wheel Drive (4WD)

Exterior Color

Matte Green Vinyl Wrap

Interior Color

Black With TRX Red Accents

Doors

4

Seating Capacity

5

MPG

10 City / 14 Highway / 12 Combined

Description

This 2021 Ram 1500 TRX Hennessey Mammoth 900 is a high-performance off-road pickup combining the TRX's supercharged Hellcat V8 with extensive Hennessey upgrades. Finished in a distinctive matte green vinyl wrap over factory Granite Crystal paint, this Crew Cab features a Black interior with TRX Red accents and was recorded with 25,050 miles at its September 2026. Its 6.2-liter supercharged V8 produces a factory-rated 702 horsepower, increased to a Hennessey-claimed 912 horsepower and 873 lb-ft of torque through the Mammoth 900 conversion. The performance package features upgraded supercharger pulleys, a ported supercharger snout, high-flow injectors, an enhanced intake, and custom ECU calibration. Additional modifications include 20-inch Hennessey wheels, 37-inch Nitto Ridge Grappler tires, metal front and rear bumpers, auxiliary LED lighting, and a Retrax XR retractable bed cover. Equipped with the TRX Level 2, Technology, Advanced Safety, Carbon Fiber, and Trailer Tow packages, this truck offers heated and ventilated seating, a dual-pane sunroof, a head-up display, adaptive cruise control, navigation, and Harman/Kardon premium audio. Described a one-owner, accident-free Carfax history and included Hennessey documentation and service records.

Features & options

• - 6.2L Supercharged Hellcat HEMI V8
• - 702 Horsepower and 650 lb-ft of Torque (Factory Rated)
• - Hennessey Mammoth 900 Performance Conversion
• - 912 Horsepower and 873 lb-ft of Torque (Hennessey-Claimed)
• - 8-Speed Automatic Transmission
• - Four-Wheel Drive (4WD)
• - TRX Level 2 Equipment Group
• - TRX Carbon Fiber Package
• - Technology Group
• - Advanced Safety Group
• - Trailer Tow Group
• - Bed Utility Group
• - Granite Crystal Factory Exterior Paint
• - Matte Green Exterior Vinyl Wrap
• - Black Leather Interior With TRX Red Accents
• - Power-Adjustable Front Seats
• - Heated and Ventilated Front Seats
• - Heated and Ventilated Rear Seats
• - Heated Leather and Suede-Wrapped Steering Wheel
• - Power-Adjustable Driver's Pedals
• - Dual-Pane Panoramic Sunroof
• - Full-Length Premium Center Console
• - LED Ambient Interior Lighting
• - Head-Up Display
• - Digital Rearview Mirror
• - Adaptive Cruise Control With Stop and Go
• - Lane Keep Assist
• - Pedestrian Emergency Braking
• - ParkSense Front and Rear Parking Assistance
• - Remote Start System
• - Rain-Sensing Windshield Wipers
• - Uconnect Infotainment System
• - 12-Inch Touchscreen Display
• - Factory Navigation System
• - Harman/Kardon 19-Speaker Premium Audio
• - Electronic Locking Rear Differential
• - 3.55 Rear Axle Ratio
• - Adaptive Suspension Dampers
• - Mopar Off-Road Style Running Boards
• - Integrated Trailer Brake Controller
• - Trailer Light Check System
• - Trailer Tire Pressure Monitoring System
• - Mopar Spray-In Bedliner
• - Mopar Deployable Bed Step
• - Four Adjustable Bed Cargo Tie-Down Hooks
• - LED Cargo Box Lighting
• - Power-Operated Tailgate Release
• - Hennessey ECU Performance Calibration
• - Hennessey Upper Supercharger Pulley Upgrade
• - Hennessey Lower Supercharger Pulley Upgrade
• - Ported Supercharger Snout
• - High-Flow Fuel Injectors
• - Upgraded Crankcase Ventilation System
• - Upgraded Air Intake System
• - 20-Inch Hennessey Performance Wheels
• - 37-Inch Nitto Ridge Grappler Mud and Snow Tires
• - Hennessey Metal Front Bumper
• - Integrated Front Push Guard
• - Front LED Light Bar
• - Additional Front Off-Road LED Lights
• - Hennessey Metal Rear Bumper
• - Retrax XR Retractable Bed Cover
• - Tinted Windows
• - Ravelco Anti-Theft Device
• - Hardwired Radar Detector
• - Spare Set of 35-Inch Tires
• - Factory Window Sticker
• - Hennessey Performance Documentation
• - Owner's Manuals and Two Keys
• - Car Cover

Vehicle history