2018 Ram 3500: What's New, Specs & Features

Last updated August 4, 2026

2018 Ram 3500

The 2018 Ram 3500 gets a meaningful capability update rather than a full redesign. The headline change is a stronger high-output 6.7-liter Cummins diesel with 930 lb-ft of torque, helping properly equipped trucks tow up to 30,000 pounds with a fifth-wheel trailer.

Shop 9 in stock at Carvana

About the 2018 Ram 3500

4th generation (2010-2018), final year before the all-new 2019 heavy-duty redesign.

Ram positioned the 3500 as a heavy-duty pickup built first for towing, hauling and hard work, but with a broader comfort range than many rivals. The model spans basic job trucks, nicer everyday trims, and fully loaded luxury versions without losing its core mission. Ram’s key selling points were Cummins diesel torque, broad cab and box combinations, strong towing numbers, and a cabin that felt more comfortable and upscale than many work-focused heavy-duty pickups of the same era.

The 2018 lineup ranges from the no-nonsense Tradesman work truck to the chrome-trimmed Big Horn and Texas-focused Lone Star, while Laramie adds leather, heated and ventilated front seats, and parking sensors. Laramie Longhorn brings western-themed leather and wood trim, while Limited uses an all-black premium cabin, navigation, keyless entry and automatic high beams.

What changed, by category

Powertrain
The high-output 6.7-liter Cummins diesel paired with the heavy-duty automatic gains 30 lb-ft of torque, reaching 930 lb-ft. Properly equipped trucks receive a 30,000-pound fifth-wheel tow rating.
Safety
A rearview camera becomes standard across the full Ram 3500 lineup.
Tech
The 8.4-inch touchscreen is updated with Apple CarPlay, Android Auto and Wi-Fi hotspot capability.
Styling
Ram adds the Limited Tungsten and Harvest special editions. The Laramie Limited trim also continues under the shorter Limited name.

2018 Ram 3500 specs and features by trim

Feature
2018 Ram 3500SLT0 in stock
2018 Ram 3500Laramie0 in stock
2018 Ram 3500Limited0 in stock
2018 Ram 3500Big Horn0 in stock
2018 Ram 3500Lone Star0 in stock
2018 Ram 3500Tradesman9 in stock
2018 Ram 3500Laramie Longhorn0 in stock
EngineV8, HEMI, 5.7 Liter / 6-Cyl, Turbo Dsl, 6.7L / V8, HEMI, 6.4 Liter / 6-Cyl, Turbo Diesel, 6.7 Liter6-Cyl, Turbo Dsl, 6.7L / V8, HEMI, 6.4 Liter / 6-Cyl, Turbo Diesel, 6.7 Liter6-Cyl, Turbo Dsl, 6.7L / V8, HEMI, 6.4 Liter / 6-Cyl, Turbo Diesel, 6.7 LiterV8, HEMI, 5.7 Liter / 6-Cyl, Turbo Dsl, 6.7L / V8, HEMI, 6.4 Liter / 6-Cyl, Turbo Diesel, 6.7 LiterV8, HEMI, 5.7 Liter / 6-Cyl, Turbo Dsl, 6.7L / V8, HEMI, 6.4 Liter / 6-Cyl, Turbo Diesel, 6.7 LiterV8, HEMI, 5.7 Liter / 6-Cyl, Turbo Dsl, 6.7L / V8, HEMI, 6.4 Liter / 6-Cyl, Turbo Diesel, 6.7 Liter6-Cyl, Turbo Dsl, 6.7L / V8, HEMI, 6.4 Liter / 6-Cyl, Turbo Diesel, 6.7 Liter
TransmissionAutomatic, 6-SpdAutomatic, 6-SpdAutomatic, 6-SpdAutomatic, 6-SpdAutomatic, 6-SpdAutomatic, 6-SpdAutomatic, 6-Spd
Drivetrain4WD4WD4WD4WD4WD4WD4WD
Fuel TypeGas / DieselDiesel / GasDiesel / GasGas / DieselGas / DieselGas / DieselDiesel / Gas
Horsepower350–410 hp350–410 hp350–410 hp350–410 hp350–410 hp350–410 hp350–410 hp
Torque400–800 lb-ft429 lb-ft429 lb-ft400–800 lb-ft400–800 lb-ft400–800 lb-ft429 lb-ft
Max Towing17490–29530 lb17490–29010 lb17490–29010 lb17500–29010 lb17500–29010 lb17010–29530 lb17490–29010 lb
Rear Legroom40.3–43.3 in40.3–43.3 in40.3–43.3 in40.3–43.3 in40.3–43.3 in40.3 in40.3–43.3 in
Seats3–665663–65
Doors2–444442–44
Alarm System
Automatic High Beams
Park Assist
Rain Sensing Windshield Wipers
Rear View Camera
Alloy Wheels
Fog Lights
Memory Exterior Mirrors
Power Moonroof
Power Folding Exterior Mirrors
Side Steps
Navigation System
SD Card Slot
Satellite Radio
Smartphone Interface
Subwoofer
Touch Screen Monitor
USB Ports
115V Power Outlet
Auto-Dimming Interior Mirror
Dual Power Front Seats
Dual Power Lumbar Support Front Seats
Dual-Zone Climate Control
Heated Front Seats
Heated Rear Seats
Heated Steering Wheel
Integrated Garage Door Opener
Leather Seats
Leather-Wrapped Steering Wheel
Memory Driver's Seat
Memory Pedals
Power Adjustable Pedals
Power Driver Seat
Proximity Keyless Entry
Remote Start
Remote Keyless Entry
Tilt Wheel
Ventilated Front Seats

How the 2019 Ram 3500 compares

The 2019 Ram 3500 is a full redesign and the first year of Ram’s fifth-generation heavy-duty truck. Its biggest change is the new platform, which brings a stronger structure, updated powertrains, fresh styling, a quieter cabin, and more modern technology.

Frequently asked questions

What is the biggest change to the 2018 Ram 3500?

The biggest change is the high-output 6.7-liter Cummins diesel’s increase to 930 lb-ft of torque when paired with the heavy-duty automatic. That helps a properly equipped 2018 Ram 3500 reach a 30,000-pound fifth-wheel tow rating.

How much can the 2018 Ram 3500 tow with a fifth-wheel trailer?

A properly equipped 2018 Ram 3500 is rated to tow up to 30,000 pounds with a fifth-wheel trailer. That maximum is tied to the stronger high-output Cummins diesel setup and the correct truck configuration.

Does every 2018 Ram 3500 have a rearview camera?

Yes. A rearview camera became standard across every Ram 3500 trim for 2018, including the work-focused Tradesman.

Does the 2018 Ram 3500 support Apple CarPlay and Android Auto?

Yes, trucks equipped with the updated 8.4-inch touchscreen support Apple CarPlay and Android Auto. That system also adds Wi-Fi hotspot capability for 2018.

Is the 2018 Ram 3500 Limited a new trim?

No. The 2018 Limited continues the 2017 Laramie Limited under a shorter name rather than replacing it with a different trim. Ram also added the Limited Tungsten and Harvest special editions for 2018.

2018 Ram 3500 Reviews

What owners are saying about the 2018 Ram 3500.

4.2
2018 Ram 3500
(279 reviews)
5 stars (129)
4 stars (100)
3 stars (39)
2 stars (9)
1 star (2)

About owner reviews

Carvana owner reviews are provided in partnership with Strategic Vision, one of the largest automotive consumer research providers in the U.S. Star ratings are from ranking surveys completed by owners one to six months post-purchase. Comments from owners are optional, but included here when available.

No rating

“Do their research extensively before making a decision to ensure the right vehicle.”

AOAlfredo O.
2018 Ram 3500 Mega Cab 4WD
No rating

“Best of the best, I really enjoy this truck also and Mopar is a excellent brand.”

JHJames H.
2018 Ram 3500 Crew Cab 4WD
No rating

“I like the RAM 2500 and I like the performance. The electrical system stinks, very poor electrical system.”

RIRonnie I.
2018 Ram 3500 Crew Cab 4WD