Best MPG Diesel Cars for Sale in Mount Vernon, IL

2025 Chevrolet Silverado 1500

High Country Crew Cab 4WD

7,899 miles

$59,140

Good Deal

Herculaneum, MO

82 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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2023 GMC Sierra 1500

AT4 Crew Cab 4WD

31,656 miles

$48,000

Great Deal

Saint Charles, MO

95 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:: Atmosphere/Brownstone
Transmission:: Automatic
Mileage:: 31,656
Stock number:: A15697N
VIN:: 1GTUUEE88PZ192355

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2023 GMC Yukon XL

Denali 4WD

23,399 miles

$69,997

Fair Deal

Herculaneum, MO

82 mi away

Year:: 2023
Make:: GMC
Model:: Yukon XL
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 277 hp 3L I6 Diesel
Exterior color:: Onyx Black
Combined gas mileage:: 23 MPG
Fuel type:: Diesel
Interior color:: Jet Black
Transmission:: 10-Speed Automatic
Mileage:: 23,399
Stock number:: RK86421
VIN:: 1GKS2JKT2PR388200

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2022 Jeep Wrangler

Unlimited Sport S 4WD

22,868 miles

$29,685

Great Deal

Hazelwood, MO

85 mi away

Year:: 2022
Make:: Jeep
Model:: Wrangler
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 260 hp 3L V6 Diesel
Exterior color:: Brown (Limited Edition Gobi Clearcoat)
Combined gas mileage:: 25 MPG
Fuel type:: Diesel
Interior color:: Black Leather
Transmission:: Automatic
Mileage:: 22,868
Stock number:: G3510
VIN:: 1C4HJXDM1NW273474

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

9,397 miles

$54,538

Great Deal

O'Fallon, IL

59 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

2021 RAM 1500

Limited Crew Cab 4WD

56,402 miles

$39,517

Good Deal

Bonne Terre, MO

92 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:: Bright White Clearcoat
Combined gas mileage:: 25 MPG
Fuel type:: Biodiesel
Interior color:: Black
Transmission:: 8-Speed Automatic
Mileage:: 56,402
Stock number:: 68512K
VIN:: 1C6SRFHM1MN692326

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2021 GMC Sierra 1500

SLT Crew Cab 4WD

78,461 miles

$34,988

Good Deal

Jerseyville, IL

93 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:: White Frost Tricoat
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Dark Walnut/Slate
Transmission:: Automatic
Mileage:: 78,461
Stock number:: 6483A
VIN:: 3GTU9DET9MG284330

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2022 RAM 1500

Limited Crew Cab 4WD

21,080 miles

$44,990

Good Deal

Saint Charles, MO

93 mi away

Year:: 2022
Make:: RAM
Model:: 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 260 hp 3L V6 Biodiesel
Exterior color:: Gray (Granite Crystal Metallic Clearcoat)
Combined gas mileage:: 25 MPG
Fuel type:: Biodiesel
Interior color:: Black Leather
Transmission:: Automatic
Mileage:: 21,080
Stock number:: 250940S
VIN:: 1C6SRFHMXNN460034

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2022 Chevrolet Silverado 1500

LT Trail Boss Crew Cab 4WD

79,450 miles

$38,750

Good Deal

Ballwin, MO

92 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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2021 GMC Sierra 1500

AT4 Crew Cab 4WD

49,368 miles

$41,555

Fair Deal

Saint Louis, MO

78 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 with Kalahari accents Leather
Transmission:: Automatic
Mileage:: 49,368
Stock number:: 5116001
VIN:: 3GTU9EET7MG283800

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2024 GMC Sierra 1500

Denali Ultimate Crew Cab 4WD

39,098 miles

$60,000

Good Deal

Saint Louis, MO

80 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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2022 Chevrolet Silverado 1500

RST Crew Cab 4WD

51,923 miles

$33,995

Great Deal

Collinsville, IL

65 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 GMC Sierra 1500

SLE Double Cab 4WD

93,307 miles

$24,995

Great Deal

Collinsville, IL

65 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

RST Crew Cab 4WD

90,569 miles

$29,887

Great Deal

Evansville, IN

82 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:: Red
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 90,569
Stock number:: NG189796
VIN:: 3GCUYEET4NG189796

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2023 GMC Sierra 1500

Denali Crew Cab 4WD

22,884 miles

$50,419

Great Deal

Herculaneum, MO

82 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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2022 RAM 1500

Limited Crew Cab RWD

61,700 miles

$33,995

Great Deal

Collinsville, IL

65 mi away

Year:: 2022
Make:: RAM
Model:: 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: 4X2
Engine:: 260 hp 3L V6 Biodiesel
Exterior color:: Bright White Clearcoat
Combined gas mileage:: 27 MPG
Fuel type:: Biodiesel
Interior color:: Blue (Indigo/Sea Salt)
Transmission:: 8-Speed Automatic
Mileage:: 61,700
Stock number:: L261361A
VIN:: 1C6RREHM0NN304352

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2024 Chevrolet Tahoe

RST 4WD

12,000 miles

$65,690

Great Deal

Wood River, IL

73 mi away

Year:: 2024
Make:: Chevrolet
Model:: Tahoe
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 277 hp 3L I6 Diesel
Exterior color:: Black
Combined gas mileage:: 23 MPG
Fuel type:: Diesel
Interior color:: Jet Black/Victory Red
Transmission:: Automatic
Mileage:: 12,000
Stock number:: P8001
VIN:: 1GNSKRKT4RR295666

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2021 GMC Sierra 1500

Denali Crew Cab 4WD

100,817 miles

$33,995

Good Deal

Collinsville, IL

65 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:: White Frost Tricoat
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 100,817
Stock number:: L26868A
VIN:: 1GTU9FET0MZ281277

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2021 Jeep Gladiator

Rubicon Crew Cab 4WD

44,933 miles

$36,400

Great Deal

Florissant, MO

83 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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2025 GMC Sierra 1500

SLT Crew Cab 4WD

9,185 miles

$49,995

Good Deal

Certified Pre-Owned

Collinsville, IL

65 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:: Onyx Black
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Dark Walnut/Slate
Transmission:: Automatic
Mileage:: 9,185
Stock number:: L261526A
VIN:: 3GTUUDE89SG327247

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2020 GMC Sierra 1500

SLT Crew Cab 4WD

90,215 miles

$32,000

Good Deal

Saint Peters, MO

96 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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2022 Chevrolet Silverado 1500

LTZ Crew Cab 4WD

46,720 miles

$39,995

Great Deal

Certified Pre-Owned

Collinsville, IL

65 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:: 46,720
Stock number:: L26599A
VIN:: 3GCUDGET4NG523378

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2024 GMC Sierra 1500

AT4X Crew Cab 4WD

28,764 miles

$59,995

Great Deal

Certified Pre-Owned

Collinsville, IL

65 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:: 19 MPG
Fuel type:: Diesel
Interior color:: Black (Obsidian Rush)
Transmission:: Automatic
Mileage:: 28,764
Stock number:: L253118A
VIN:: 3GTUUFE85RG306451

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2024 Chevrolet Silverado 1500

RST Crew Cab 4WD

26,415 miles

$46,500

Fair Deal

Saint Charles, MO

95 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:: Summit White
Combined gas mileage:: 25 MPG
Fuel type:: Diesel
Interior color:: Black
Transmission:: Automatic
Mileage:: 26,415
Stock number:: A16365N
VIN:: 1GCUDEE84RZ257415

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