Diesel Ram Trucks for Sale in O'Fallon, IL

Are you searching for the right pickup truck to take on your heavy workloads in Belleville or Smithton? Well, you should take a look at the Ram lineup of trucks and work-ready vans available at Auffenberg CDJR! You might even find the Ram 1500 EcoDiesel with its powerful 3.0L V6 engine that’s fuel-efficient as well as more environmentally friendly than most pickups on the market. Get up to an EPA-estimated 27 mpg. It’s not the only diesel model, though. Browse our selection of new diesel Ram trucks below:

3 Matching Vehicles Found

Vehicle Info
Recently Modified
New this week
New this month
FINANCE
$655/mo
LEASE
$881/mo
Customize Loan
Customize Lease
1500 Big Horn/Lone Star, 4D Crew Cab, EcoDiesel 3.0L V6, 8-Speed Automatic, 4WD, Maximum Steel Metallic Clearcoat, black Cloth, 115V Auxiliary Power Outlet, 115V Auxiliary Rear Power Outlet, 1-Yr SiriusXM Guardian Trial, 2nd Row In Floor Storage Bins, 3.21 Rear Axle Ratio, 400W Inverter, 48V Belt Starter Generator, 4G LTE Wi-Fi Hot Spot, 5-Year SiriusXM Traffic Service, 5-Year SiriusXM Travel Link Service, 6 Speakers, 8.4" Touchscreen Display, Advanced Brake Assist, Air Conditioning ATC w/Dual Zone Control, AM/FM radio: SiriusXM, Apple CarPlay, Auto-Dimming Exterior Driver Mirror, Auto-Dimming Rear-View Mirror, Bed Utility Group, Big Horn Badge, Big Horn Level 2 Equipment Group, Black Exterior Mirrors, Black Premium Power Mirrors, Brake assist, Bumpers: chrome, Class IV Receiver Hitch, Cluster 3.5" TFT Color Display, Cluster 7.0" TFT Color Display, Cold Weather Group, Compass, Disassociated Touchscreen Display, Driver door bin, Electronic Stability Control, E-Locker Rear Axle, Engine Block Heater, Exterior Mirrors Courtesy Lamps, Exterior Mirrors w/Supplemental Signals, Foam Bottle Insert (Door Trim Panel), For Details, Visit DriveUconnect.com, For More Info, Call 800-643-2112, Front Extra HD Shock Absorbers, Front reading lights, Full Speed Forward Collision Warning Plus, Glove Box Lamp, Google Android Auto, GPS Antenna Input, GPS Navigation, HD Radio, Heads-Up Display, Heated Front Seats, Heated Steering Wheel, Hill Descent Control, Illuminated entry, Integrated Center Stack Radio, Integrated Voice Command w/Bluetooth, Lane Keep Assist, LED CHMSL Lamp, Level 1 Safety Group, Media Hub w/2 Charge Only USBs, MOPAR 4 Adjustable Cargo Tie-Down Hooks, MOPAR Deployable Bed Step, MOPAR Spray In Bedliner, MOPAR Winter Front Grille Cover, Off Road Decals, Off Road Group, Off-Road Information Pages, ParkSense Front/Rear Park Assist w/Stop, Pedestrian/Cyclist Emergency Braking, Pick-Up Box Lighting, Power 4-Way Driver Lumbar Adjust, Power 8-Way Driver Seat, Power Adjustable Pedals, Power door mirrors, Power-Folding Mirrors, Quick Order Package 28Z Big Horn, Radio data system, Radio: Uconnect 4 w/8.4" Display, Radio: Uconnect 4C Nav w/8.4" Display, Rear Dome w/On/Off Switch Lamp, Rear Extra HD Shock Absorbers, Rear Power Sliding Window, Rear step bumper, Rear Window Defroster, Rearview Autodim Digital Display Mirror, Security Alarm, SiriusXM Radio Service, SiriusXM Satellite Radio, SiriusXM Traffic Plus, SiriusXM Travel Link, Sun Visors w/Illuminated Vanity Mirrors, Technology Group, Tow Hooks, Universal Garage Door Opener, USB Host Flip, Variably intermittent wipers, 3 Rear Seat Head Restraints, 4 Way Front Headrests, 40/20/40 Split Bench Seat, 4-Wheel Disc Brakes, ABS brakes, Air Conditioning, Cloth Bench Seat, Delay-off headlights, Dual front impact airbags, Dual front side impact airbags, Front anti-roll bar, Front Center Armrest w/Storage, Front fog lights, Front Seat Back Map Pockets, Front wheel independent suspension, Fully automatic headlights, Heated door mirrors, Leather steering wheel, Low tire pressure warning, Occupant sensing airbag, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, ParkView Rear Back-Up Camera, Passenger door bin, Passenger vanity mirror, Power steering, Power windows, Radio: Uconnect 3 w/5" Display, Rear 60/40 Folding Seat, Rear anti-roll bar, Rear seat center armrest, Remote keyless entry, Speed control, Split folding rear seat, Steering wheel mounted audio controls, Tachometer, Telescoping steering wheel, Tilt steering wheel, Traction control, Trip computer, Voltmeter, Wheels: 18" x 8" Cast-Aluminum Painted, 1500 Big Horn/Lone Star, 4D Crew Cab, EcoDiesel 3.0L V6, 8-Speed Automatic, 4WD, Maximum Steel Metallic Clearcoat, black Cloth, 115V Auxiliary Power Outlet, 115V Auxiliary Rear Power Outlet, 1-Yr SiriusXM Guardian Trial, 2nd Row In Floor Storage Bins, 3.21 Rear Axle Ratio, 400W Inverter, 48V Belt Starter Generator, 4G LTE Wi-Fi Hot Spot, 5-Year SiriusXM Traffic Servic
 
FINANCE
$918/mo
LEASE
$1,074/mo
Customize Loan
Customize Lease
2500 Big Horn, 4D Crew Cab, Cummins 6.7L I6 Turbodiesel, 6-Speed Automatic, 4WD, Maximum Steel Metallic Clearcoat, 1-Year SiriusXM Guardian Trial, 2 Way Rear Headrest Seat, 220 Amp Alternator, 2nd Row In Floor Storage Bins, 4 Way Front Headrests, 40/20/40 Split Bench Seat, 5-Year SiriusXM Traffic Service, 5-Year SiriusXM Travel Link Service, 8.4" Touchscreen Display, Adaptive Cruise Control w/Stop, Adaptive Steering System, Air Conditioning ATC w/Dual Zone Control, Apple CarPlay, Auto High Beam Headlamp Control, Auto-Dimming Rear-View Mirror, Black Interior Accents, Blind Spot & Cross Path Detection, Body Color Door Handles, Body Color Grille Surround, Center Stack Storage Drawer, Cluster 3.5" TFT Color Display, Cluster 7.0" TFT Color Display, Cold Weather Group, CTR Stop Lamp w/Cargo View Camera, Disassociated Touchscreen Display, Dual Glove Boxes, Engine Block Heater, Foam Bottle Insert (Door Trim Panel), Folding Flat Load Floor Storage, Footwell Courtesy Lamp, For Details Visit DriveUconnect.com, For More Info, Call 800-643-2112, Front Armrest w/Cupholders, Front Center Seat Cushion Storage, Front Fog Lamps, Front Performance Tuned Shock Absorbers, Front Seat Back Map Pockets, Full Speed Forward Collision Warning Plus, Glove Box Lamp, Google Android Auto, GPS Antenna Input, GPS Navigation, HD Radio, Heated Front Seats, Heated Seats & Wheel Group, Heated Steering Wheel, Hill Descent Control, Integrated Center Stack Radio, Integrated Voice Command w/Bluetooth, Lane Keep Assist, Leather Wrapped Steering Wheel, LED Tail Lamps, Level 1 Equipment Group, Locking Lower Glove Box, Manual Adjust 4-Way Front Passenger Seat, Mirror-Mounted Aux Reverse Lamps, Off Road Decal, Off Road Package, Painted Front Bumper, Painted Rear Bumper, Power 2-Way Driver Lumbar Adjust, Power Adjust 8-Way Driver Seat, Power Adjust/Fold & Heated Black Tow Mirrors, Power Adjustable Convex Aux Mirrors, Power Adjustable Pedals, Power Folding Mirrors, Premium Cloth 40/20/40 Bench Seat, Premium Power Black Tow Mirrors w/Convex Spotter, Quick Order Package 2HZ Big Horn, Radio: Uconnect 4 w/8.4" Display, Radio: Uconnect 4C Nav w/8.4" Display, Rain Sensitive Windshield Wipers, Rear 60/40 Folding Seat, Rear Dome w/On/Off Switch Lamp, Rear Performance Tuned Shock Absorbers, Safety Group, SiriusXM Satellite Radio, SiriusXM Traffic Plus, SiriusXM Travel Link, Sport Appearance Package, Sport Decal, Steering Wheel Mounted Audio Controls, Sun Visors w/Illuminated Vanity Mirrors, Surround View Camera System, Tow Hooks, Towing Technology Group, Trailer Reverse Guidance, Universal Garage Door Opener, USB Host Flip, Wheels: 18" x 8.0" Polished Aluminum, Winter Front Grille Cover. 2020 Ram 2500 Maximum Steel Metallic Clearcoat Big Horn
 
FINANCE
$981/mo
LEASE
$1,187/mo
Customize Loan
Customize Lease
2500 Big Horn, 4D Crew Cab, Cummins 6.7L I6 Turbodiesel, 6-Speed Automatic, 4WD, Diamond Black Crystal Pearlcoat, Black Cloth, 115V Auxiliary Front Power Outlet, 115V Auxiliary Rear Power Outlet, 12" Touchscreen Display, 1-Year SiriusXM Guardian Trial, 2 Way Rear Headrest Seat, 2nd Row In Floor Storage Bins, 4 Adjustable Cargo Tie-Down Hooks, 4 Way Front Headrests, 40/20/40 Split Bench Seat, 400W Inverter, 4G LTE Wi-Fi Hot Spot, 5-Year SiriusXM Traffic Service, 5-Year SiriusXM Travel Link Service, 8.4" Touchscreen Display, 9 Alpine Speakers w/Subwoofer, Adaptive Cruise Control w/Stop, Adaptive Steering System, Air Conditioning ATC w/Dual Zone Control, Apple CarPlay, Auto High Beam Headlamp Control, Auto-Dimming Rear-View Mirror, Black Exterior Truck Badging, Black Headlamp Bezels, Black Interior Accents, Black Ram Head Tailgate Badge, Black Tail Lamp Bezels, Blind Spot & Cross Path Detection, Body Color Door Handles, Body Color Grille Surround, Bumpers: chrome, Center Stack Storage Drawer, Clearance Lamps, Cluster 7.0" TFT Color Display, Cold Weather Group, CTR Stop Lamp w/Cargo View Camera, Dampened Tailgate, Disassociated Touchscreen Display, Dual Glove Boxes, Dual Remote USB Port, Engine Block Heater, Foam Bottle Insert (Door Trim Panel), Folding Flat Load Floor Storage, Footwell Courtesy Lamp, For Details Visit DriveUconnect.com, For More Info, Call 800-643-2112, Front Armrest w/Cupholders, Front Center Seat Cushion Storage, Front Fog Lamps, Front LED Fog Lamps, Front Performance Tuned Shock Absorbers, Front Seat Back Map Pockets, Full Speed Forward Collision Warning Plus, Gloss Black Grille Billets/Accents, Glove Box Lamp, Google Android Auto, GPS Antenna Input, GPS Navigation, HD Radio, Heated door mirrors, Heated Front Seats, Heated Steering Wheel, Hill Descent Control, Integrated Center Stack Radio, Integrated Voice Command w/Bluetooth, Lane Keep Assist, Leather Wrapped Steering Wheel, LED Bed Lighting, LED Reflector Headlamps, LED Tail Lamps, Level 2 Equipment Group, Locking Lower Glove Box, Manual Adjust 4-Way Front Passenger Seat, Mirror-Mounted Aux Reverse Lamps, Night Edition, Off Road Decal, Off Road Package, Painted Front Bumper, Painted Rear Bumper, ParkSense Front/Rear Park Assist System, Power 2-Way Driver Lumbar Adjust, Power Adjust 8-Way Driver Seat, Power Adjust/Fold & Heated Black Tow Mirrors, Power Adjustable Convex Aux Mirrors, Power Adjustable Pedals, Power Folding Mirrors, Premium Cloth 40/20/40 Bench Seat, Premium Lighting Group, Premium Power Black Tow Mirrors w/Convex Spotter, Protection Group, Quick Order Package 2HZ Big Horn, Radio: Uconnect 12.0 w/Navigation, Radio: Uconnect 4 w/8.4" Display, Rain Sensitive Windshield Wipers, RamBox Utility Group, Rear 60/40 Folding Seat, Rear Dome w/On/Off Switch Lamp, Rear Performance Tuned Shock Absorbers, Rear Power Sliding Window, Rear step bumper, Rear Wheelhouse Liners, Rear Window Defroster, Remote Start System, Safety Group, Security Alarm, SiriusXM Radio Service, SiriusXM Satellite Radio, SiriusXM Traffic Plus, SiriusXM Travel Link, SiriusXM w/360L, Spray In Bedliner, Steering Wheel Mounted Audio Controls, Sun Visors w/Illuminated Vanity Mirrors, Surround View Camera System, Tech Package, Tilt steering wheel, Tow Hooks, Trailer Reverse Guidance, Truck Bed Cargo Divider, Turn signal indicator mirrors, Universal Garage Door Opener, USB Host Flip, Wheels: 20" x 8.0" Black Painted Aluminum, Winter Front Grille Cover. 2020 Ram 2500 Diamond Black Crystal Pearlcoat Big Horn
 

MPG Disclaimer:

Based on model year EPA mileage ratings. Use for comparison purposes only. Your actual mileage will vary depending on how you drive and maintain your vehicle.

Disclaimer:

*Did you think it would change down here? No way. Of course you know all of our vehicles do not include tax, title, documentation, or license fees. Our documentation fee is $300, which is consistent with most Illinois dealers and lower than most of Missouri dealers. We have every intention of picturing and pricing with the most accuracy possible, but cannot guarantee both. Occasionally pricing errors may occur and upon notification we will correct such errors. We do our best to ensure our vehicles are available to be seen, but we are not able to hold or take a deposit on any vehicles. Special APR cannot be combined with these great discounts unless previously noted. Special APR generally requires well qualified buyers. CVR is an optional Fee. For a price with special interest rates, please contact our sales team in person, by phone, by email, or by web chat.

By submitting your contact information to us via this website, email, phone or online chat, you agree that we may contact you by email, phone (voice and text message), or traditional mail. All information collected will remain confidential.

Custom

Payment Details

Estimated Amount Financed:
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Disclaimer:

*Did you think it would change down here? No way. Of course you know all of our vehicles do not include tax, title, documentation, or license fees. Our documentation fee is $300, which is consistent with most Illinois dealers and lower than most of Missouri dealers. We have every intention of picturing and pricing with the most accuracy possible, but cannot guarantee both. Occasionally pricing errors may occur and upon notification we will correct such errors. We do our best to ensure our vehicles are available to be seen, but we are not able to hold or take a deposit on any vehicles. Special APR cannot be combined with these great discounts unless previously noted. Special APR generally requires well qualified buyers. CVR is an optional Fee. For a price with special interest rates, please contact our sales team in person, by phone, by email, or by web chat.

By submitting your contact information to us via this website, email, phone or online chat, you agree that we may contact you by email, phone (voice and text message), or traditional mail. All information collected will remain confidential.


Find a Diesel Ram for Sale near East St. Louis

Think this is the right truck for you? Here are some of the Ram 1500 EcoDiesel model’s capabilities and specs:

  • Powerful 3.0L V6 engine paired with an 8-speed automatic transmission
  • 240 horsepower
  • 420 lb-ft of torque
  • Maximum towing capacity of up to 9,290 pounds
  • Up to an EPA-estimated 27 MPG for highway driving

Once you’ve found the right model that fits your needs and budget, contact us to learn even more about new Ram diesel models, and be sure to schedule a test drive soon! For more options, you should take a look at our entire Ram lineup of vehicles.