Best MPG Diesel Cars for Sale in O Fallon, IL

2021 RAM 1500

Limited Crew Cab 4WD

100,873 miles

$34,995

Fair Deal

Maryland Heights, MO

32 mi away

Year:: 2021
Make:: RAM
Model:: 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 260 hp 3L V6 Biodiesel
Exterior color:: Ivory White Tri-Coat Pearlcoat
Combined gas mileage:: 25 MPG
Fuel type:: Biodiesel
Interior color:: Blue (Indigo/Frost)
Transmission:: 8-Speed Automatic
Mileage:: 100,873
Stock number:: C250110Y
VIN:: 1C6SRFHM2MN525442

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2020 GMC Sierra 1500

Denali Crew Cab 4WD

73,050 miles

$39,495

Fair Deal

St Peters, MO

40 mi away

Year:: 2020
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 277 hp 3L I6 Diesel
Exterior color:: White Frost Tricoat
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Gray (Dark Walnut/Dark Ash Grey)
Transmission:: Automatic
Mileage:: 73,050
Stock number:: LG327974
VIN:: 3GTU9FET3LG327974

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2023 Chevrolet Silverado 1500

RST Crew Cab 4WD

55,604 miles

$39,300

Good Deal

Saint Charles, MO

37 mi away

Year:: 2023
Make:: Chevrolet
Model:: Silverado 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior color:: Summit White
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 55,604
Stock number:: A16112N
VIN:: 1GCUDEE81PZ179432

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2024 GMC Sierra 1500

Denali Ultimate Crew Cab 4WD

28,124 miles

$59,927

Great Deal

Saint Louis, MO

25 mi away

Year:: 2024
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior color:: Onyx Black
Combined gas mileage:: 25 MPG
Fuel type:: Diesel
Interior color:: Alpine Umber Leather
Transmission:: Automatic
Mileage:: 28,124
Stock number:: T260420A
VIN:: 1GTUUHE84RZ347004

2022 GMC Sierra 1500

AT4 Crew Cab 4WD

26,622 miles

$45,800

Great Deal

Florissant, MO

26 mi away

Year:: 2022
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 277 hp 3L I6 Diesel
Exterior color:: Summit White
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Jet Black With Kalahari Accents
Transmission:: Automatic
Mileage:: 26,622
Stock number:: K1609N
VIN:: 1GTUUEET1NZ535797

2021 Chevrolet Silverado 1500

RST Crew Cab 4WD

35,859 miles

$35,747

Great Deal

O'Fallon, IL

2 mi away

Year:: 2021
Make:: Chevrolet
Model:: Silverado 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 277 hp 3L I6 Diesel
Exterior color:: Red Hot
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Black
Transmission:: Automatic
Mileage:: 35,859
Stock number:: 43460-1
VIN:: 3GCUYEET1MG326580

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2024 GMC Sierra 1500

AT4 Crew Cab 4WD

9,397 miles

$55,999

Great Deal

O'Fallon, IL

2 mi away

Year:: 2024
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior color:: Titanium Rush Metallic
Combined gas mileage:: 25 MPG
Fuel type:: Diesel
Interior color:: Jet Black With Kalahari Accents
Transmission:: Automatic
Mileage:: 9,397
Stock number:: 1400C
VIN:: 3GTUUEE83RG287019

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2023 GMC Sierra 1500

Denali Crew Cab 4WD

22,884 miles

$51,175

Good Deal

Herculaneum, MO

37 mi away

Year:: 2023
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior color:: Titanium Rush Metallic
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Jet Black
Transmission:: 10-Speed Automatic
Mileage:: 22,884
Stock number:: R85865
VIN:: 3GTUUGE85PG296670

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2023 GMC Sierra 1500

AT4 Crew Cab 4WD

61,607 miles

$43,500

Great Deal

Ellisville, MO

37 mi away

Year:: 2023
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior color:: Summit White
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Jet Black with Kalahari accent
Transmission:: Automatic
Mileage:: 61,607
Stock number:: 86086A
VIN:: 1GTUUEE80PZ229043

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2023 Chevrolet Silverado 1500

RST Crew Cab 4WD

49,872 miles

$38,490

Great Deal

Certified Pre-Owned

Ballwin, MO

35 mi away

Year:: 2023
Make:: Chevrolet
Model:: Silverado 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior color:: Gray
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Black
Transmission:: Automatic
Mileage:: 49,872
Stock number:: 2581211
VIN:: 1GCUDEE82PZ154328

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2024 Chevrolet Suburban

RST 4WD

33,867 miles

$63,871

Great Deal

Herculaneum, MO

37 mi away

Year:: 2024
Make:: Chevrolet
Model:: Suburban
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 277 hp 3L I6 Diesel
Exterior color:: Radiant Red Tintcoat
Combined gas mileage:: 23 MPG
Fuel type:: Diesel
Interior color:: Jet Black/Victory Red
Transmission:: 10-Speed Automatic
Mileage:: 33,867
Stock number:: RK85474
VIN:: 1GNSKEKT8RR132429

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2024 Chevrolet Silverado 1500

High Country Crew Cab 4WD

21,515 miles

$52,871

Great Deal

Herculaneum, MO

37 mi away

Year:: 2024
Make:: Chevrolet
Model:: Silverado 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior color:: Black
Combined gas mileage:: 25 MPG
Fuel type:: Diesel
Interior color:: Jet Black
Transmission:: 10-Speed Automatic
Mileage:: 21,515
Stock number:: R85687
VIN:: 1GCUDJE88RZ311078

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2025 Chevrolet Silverado 1500

High Country Crew Cab 4WD

7,899 miles

$59,250

Good Deal

Herculaneum, MO

37 mi away

Year:: 2025
Make:: Chevrolet
Model:: Silverado 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior color:: Black
Combined gas mileage:: 23 MPG
Fuel type:: Diesel
Interior color:: Jet Black
Transmission:: 10-Speed Automatic
Mileage:: 7,899
Stock number:: RK86091
VIN:: 1GCUKJE88SZ211056

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2020 GMC Sierra 1500

SLT Crew Cab 4WD

90,215 miles

$32,000

Good Deal

Saint Peters, MO

39 mi away

Year:: 2020
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 277 hp 3L I6 Diesel
Exterior color:: Gray (Satin Steel Metallic)
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Jet Black Leather
Transmission:: Automatic
Mileage:: 90,215
Stock number:: LR175A
VIN:: 3GTU9DET8LG295995

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2025 GMC Sierra 1500

Denali Crew Cab 4WD

7,328 miles

$59,995

Good Deal

Litchfield, IL

42 mi away

Year:: 2025
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior color:: Titanium Rush Metallic
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Atmosphere/Brownstone
Transmission:: Automatic
Mileage:: 7,328
Stock number:: B11151A
VIN:: 3GTUUGE87SG175227

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2024 GMC Sierra 1500

Denali Ultimate Crew Cab 4WD

39,098 miles

$60,000

Good Deal

Saint Louis, MO

23 mi away

Year:: 2024
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior color:: White Frost Tricoat
Combined gas mileage:: 25 MPG
Fuel type:: Diesel
Interior color:: Alpine Umber
Transmission:: Automatic
Mileage:: 39,098
Stock number:: 27467A
VIN:: 1GTUUHE84RZ137633

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2021 GMC Sierra 1500

SLE Double Cab 4WD

93,307 miles

$25,995

Great Deal

Collinsville, IL

8 mi away

Year:: 2021
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 277 hp 3L I6 Diesel
Exterior color:: Pacific Blue Metallic
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 93,307
Stock number:: L26874A
VIN:: 1GTV9BET3MZ333305

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2022 Chevrolet Silverado 1500

LT Trail Boss Crew Cab 4WD

79,450 miles

$39,250

Good Deal

Ballwin, MO

36 mi away

Year:: 2022
Make:: Chevrolet
Model:: Silverado 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 277 hp 3L I6 Diesel
Exterior color:: Black
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 79,450
Stock number:: 65119A
VIN:: 3GCUDFET8NG622621

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2024 Chevrolet Silverado 1500

LT Trail Boss Crew Cab 4WD

68,732 miles

$45,917

Fair Deal

Herculaneum, MO

37 mi away

Year:: 2024
Make:: Chevrolet
Model:: Silverado 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior color:: Slate Gray Metallic
Combined gas mileage:: 25 MPG
Fuel type:: Diesel
Interior color:: Jet Black
Transmission:: 10-Speed Automatic
Mileage:: 68,732
Stock number:: R86208
VIN:: 3GCUDFE88RG345468

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2025 Chevrolet Suburban

High Country 4WD

8,809 miles

$81,990

Good Deal

Certified Pre-Owned

St Louis, MO

25 mi away

Year:: 2025
Make:: Chevrolet
Model:: Suburban
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 305 hp 3L I6 Diesel
Exterior color:: Black
Combined gas mileage:: 23 MPG
Fuel type:: Diesel
Interior color:: Black
Transmission:: Automatic
Mileage:: 8,809
Stock number:: 68449A
VIN:: 1GNS6GR81SR309913

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2021 Jeep Gladiator

Rubicon Crew Cab 4WD

44,933 miles

$36,100

Great Deal

Florissant, MO

26 mi away

Year:: 2021
Make:: Jeep
Model:: Gladiator
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 260 hp 3L V6 Diesel
Exterior color:: Firecracker Red Clearcoat
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Black
Transmission:: 8-Speed Automatic
Mileage:: 44,933
Stock number:: K1573N
VIN:: 1C6JJTBM6ML605039

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2021 GMC Sierra 1500

AT4 Crew Cab 4WD

86,557 miles

$35,995

Good Deal

Collinsville, IL

8 mi away

Year:: 2021
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 277 hp 3L I6 Diesel
Exterior color:: Summit White
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 86,557
Stock number:: L255603A
VIN:: 3GTU9EET7MG338276

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2022 Chevrolet Silverado 1500

RST Crew Cab 4WD

51,923 miles

$34,995

Great Deal

Collinsville, IL

8 mi away

Year:: 2022
Make:: Chevrolet
Model:: Silverado 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 277 hp 3L I6 Diesel
Exterior color:: Shadow Gray Metallic
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 51,923
Stock number:: L256000Z
VIN:: 1GCUYEET7NZ188593

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2021 Jeep Gladiator

Rubicon Crew Cab 4WD

44,933 miles

$36,100

Great Deal

Florissant, MO

26 mi away

Year:: 2021
Make:: Jeep
Model:: Gladiator
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 260 hp 3L V6 Diesel
Exterior color:: Firecracker Red Clearcoat
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Black
Transmission:: 8-Speed Automatic
Mileage:: 44,933
Stock number:: K1573N
VIN:: 1C6JJTBM6ML605039

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