Best MPG Diesel Cars for Sale in Castle Rock, CO

2024 GMC Sierra 1500

AT4X Crew Cab 4WD

33,531 miles

$63,910

Fair Deal

Colorado Springs, CO

38 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, Full Grain Leather Front Seat Trim)
Transmission:: Automatic
Mileage:: 33,531
Stock number:: SF321932A
VIN:: 3GTUUFE86RG108896

Sponsored

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

17,769 miles

$58,995

Good Deal

Highlands Ranch, CO

14 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:: Summit White
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Jet Black
Transmission:: 10-Speed Automatic
Mileage:: 17,769
Stock number:: JV129462
VIN:: 1GTUUEE81SZ129462

Sponsored

2020 RAM 1500

Limited Crew Cab 4WD

105,893 miles

$32,999

Fair Deal

Denver, CO

23 mi away

Year:: 2020
Make:: RAM
Model:: 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 260 hp 3L V6 Biodiesel
Exterior color:: Black
Combined gas mileage:: 25 MPG
Fuel type:: Biodiesel
Interior color:: Black
Transmission:: 8-Speed Automatic
Mileage:: 105,893
Stock number:: 376770
VIN:: 1C6SRFHM9LN376770

Sponsored

2020 RAM 1500

Laramie Crew Cab RWD

118,192 miles

$22,998

Great Deal

Parker, CO

14 mi away

Year:: 2020
Make:: RAM
Model:: 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: 4X2
Engine:: 260 hp 3L V6 Biodiesel
Exterior color:: Black
Combined gas mileage:: 27 MPG
Fuel type:: Biodiesel
Interior color:: Black
Transmission:: 8-Speed Automatic
Mileage:: 118,192
Stock number:: T17742
VIN:: 1C6RREJM0LN252843

2020 Chevrolet Silverado 1500

RST Crew Cab 4WD

123,841 miles

$25,787

Good Deal

Littleton, CO

20 mi away

Year:: 2020
Make:: Chevrolet
Model:: Silverado 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 277 hp 3L I6 Diesel
Exterior color:: Silver Ice Metallic
Combined gas mileage:: 26 MPG
Fuel type:: Diesel
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 123,841
Stock number:: LG120056
VIN:: 3GCUYEET8LG120056

2024 GMC Sierra 1500

Denali Crew Cab 4WD

17,155 miles

$54,400

Great Deal

Aurora, CO

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:: Onyx Black
Combined gas mileage:: 25 MPG
Fuel type:: Diesel
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 17,155
Stock number:: 250670A
VIN:: 3GTUUGE88RG358310

Preparing for a close up...

Photos coming soon

2021 GMC Sierra 1500

Elevation Crew Cab 4WD

85,564 miles

$31,302

Great Deal

Brighton, CO

42 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:: Onyx Black
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 85,564
Stock number:: S5986A
VIN:: 3GTU9CET5MG162347

Preparing for a close up...

Photos coming soon

2021 Jeep Wrangler

Unlimited Rubicon 4WD

58,415 miles

$33,198

Good Deal

Certified Pre-Owned

Castle Rock, CO

2 mi away

Year:: 2021
Make:: Jeep
Model:: Wrangler
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 260 hp 3L V6 Diesel
Exterior color:: Black Clearcoat
Combined gas mileage:: 23 MPG
Fuel type:: Diesel
Interior color:: Black
Transmission:: 8-Speed Automatic
Mileage:: 58,415
Stock number:: SW534027B
VIN:: 1C4JJXFM9MW695604

Preparing for a close up...

Photos coming soon

2021 GMC Sierra 1500

SLT Crew Cab 4WD

121,353 miles

$29,900

Great Deal

Littleton, CO

15 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:: Black
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Black
Transmission:: Automatic
Mileage:: 121,353
Stock number:: CJ 281301
VIN:: 1GTU9DET9MZ281301

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 1500

Denali Crew Cab 4WD

2,714 miles

$60,310

Great Deal

Colorado Springs, CO

38 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:: Sterling Metallic
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Jet Black, Forge Perforated Leather Seat Trim
Transmission:: Automatic
Mileage:: 2,714
Stock number:: TF117298B
VIN:: 1GTUUGE80SZ114205

Preparing for a close up...

Photos coming soon

2021 GMC Sierra 1500

Elevation Crew Cab 4WD

84,105 miles

$33,499

Good Deal

Dacono, CO

50 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:: 84,105
Stock number:: P9208A
VIN:: 1GTU9CET6MZ294291

Preparing for a close up...

Photos coming soon

2022 Chevrolet Suburban

RST 4WD

59,331 miles

$53,499

Good Deal

Centennial, CO

16 mi away

Year:: 2022
Make:: Chevrolet
Model:: Suburban
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 277 hp 3L I6 Diesel
Exterior color:: Gray (Satin Steel Metallic)
Combined gas mileage:: 23 MPG
Fuel type:: Diesel
Interior color:: Jet Black/Victory Red
Transmission:: Automatic
Mileage:: 59,331
Stock number:: NR228494
VIN:: 1GNSKEKT3NR228494

Preparing for a close up...

Photos coming soon

2023 Chevrolet Tahoe

High Country 4WD

41,859 miles

$59,990

Great Deal

Denver, CO

22 mi away

Year:: 2023
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:: Black
Transmission:: Automatic
Mileage:: 41,859
Stock number:: 7271RS
VIN:: 1GNSKTKT1PR357163

Preparing for a close up...

Photos coming soon

2020 Chevrolet Silverado 1500

RST Crew Cab 4WD

99,347 miles

$29,210

Good Deal

Colorado Springs, CO

38 mi away

Year:: 2020
Make:: Chevrolet
Model:: Silverado 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 277 hp 3L I6 Diesel
Exterior color:: Northsky Blue Metallic
Combined gas mileage:: 26 MPG
Fuel type:: Diesel
Interior color:: Jet Black, Leather-Appointed Front Seat Trim
Transmission:: Automatic
Mileage:: 99,347
Stock number:: SZ329003A
VIN:: 3GCUYEET1LG132081

Preparing for a close up...

Photos coming soon

2022 Chevrolet Silverado 1500

RST Crew Cab 4WD

125,674 miles

$28,799

Good Deal

Castle Rock, CO

2 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:: Gray (Satin Steel Metallic)
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Black
Transmission:: Automatic
Mileage:: 125,674
Stock number:: NG118270T
VIN:: 3GCUYEET7NG118270

Preparing for a close up...

Photos coming soon

2020 GMC Sierra 1500

Denali Crew Cab 4WD

89,471 miles

$33,828

Great Deal

Highlands Ranch, CO

15 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:: Onyx Black
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Jet Black, Forge Perforated Leather-Appointed Seat
Transmission:: Automatic
Mileage:: 89,471
Stock number:: TLZ359875
VIN:: 1GTU9FET7LZ359875

Preparing for a close up...

Photos coming soon

2022 RAM 1500

Laramie Crew Cab 4WD

29,482 miles

$40,487

Good Deal

Englewood, CO

17 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
Combined gas mileage:: 25 MPG
Fuel type:: Biodiesel
Interior color:: Black
Transmission:: Automatic
Mileage:: 29,482
Stock number:: PNN258512
VIN:: 1C6SRFJM4NN258512

Preparing for a close up...

Photos coming soon

2023 Chevrolet Silverado 1500

RST Crew Cab 4WD

23,425 miles

$41,500

Great Deal

Colorado Springs, CO

31 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:: Sterling Gray Metallic
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 23,425
Stock number:: 4197648
VIN:: 1GCUDEE84PZ197648

Preparing for a close up...

Photos coming soon

2021 GMC Sierra 1500

SLT Crew Cab 4WD

94,189 miles

$30,758

Great Deal

Highlands Ranch, CO

15 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, Perforated Leather-Appointed Front Outb
Transmission:: Automatic
Mileage:: 94,189
Stock number:: AMZ159665
VIN:: 1GTU9DET7MZ159665

Preparing for a close up...

Photos coming soon

2020 RAM 1500

Laramie Crew Cab 4WD

79,536 miles

$29,968

Great Deal

Golden, CO

29 mi away

Year:: 2020
Make:: RAM
Model:: 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 260 hp 3L V6 Biodiesel
Exterior color:: Diamond Black Crystal Pearlcoat
Combined gas mileage:: 25 MPG
Fuel type:: Biodiesel
Interior color:: Black
Transmission:: Automatic
Mileage:: 79,536
Stock number:: 25463B
VIN:: 1C6SRFJM8LN250510

Preparing for a close up...

Photos coming soon

2021 RAM 1500

Laramie Crew Cab 4WD

170,851 miles

$21,968

Fair Deal

Golden, CO

29 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:: Gray (Granite Crystal Metallic Clearcoat)
Combined gas mileage:: 25 MPG
Fuel type:: Biodiesel
Interior color:: Black
Transmission:: Automatic
Mileage:: 170,851
Stock number:: 26098A
VIN:: 1C6SRFJM2MN579639

Preparing for a close up...

Photos coming soon

2022 Chevrolet Silverado 1500

High Country Crew Cab 4WD

68,042 miles

$39,566

Good Deal

Highlands Ranch, CO

15 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:: Gray (Satin Steel Metallic)
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Jet Black, Perforated Leather-Appointed Seat Trim
Transmission:: Automatic
Mileage:: 68,042
Stock number:: TNZ126620
VIN:: 1GCUYHET2NZ126620

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 1500

Denali Crew Cab 4WD

24,238 miles

$54,601

Great Deal

Highlands Ranch, CO

15 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:: Jet Black, Forge Perforated Leather Seat Trim
Transmission:: Automatic
Mileage:: 24,238
Stock number:: ARZ124704
VIN:: 1GTUUGE8XRZ124704

Preparing for a close up...

Photos coming soon

2021 GMC Sierra 1500

Denali Crew Cab 4WD

75,620 miles

$39,498

Good Deal

Littleton, CO

21 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:: Onyx Black
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 75,620
Stock number:: MG252361
VIN:: 3GTU9FET9MG252361

Sponsored