CarGurus Logo Homepage Link
  • Buy
    • Used cars
    • New cars
    • Certified pre-owned
    • Start your purchase online
    • Dealerships near me
  • Sell
    • Sell my car
    • Car values
    • Sell my car FAQs
  • Finance
    • Prequalify for financing
    • How does it work?
    • Financing FAQs
  • Research
    • Test drive reviews
    • Price trends
    • Tips & advice
    • Electric cars
    • Compare cars
  • Discover
    The latest way to shop:
    smarter research, better
    listings.
  • Saved cars & searches
  • Sign in / Register
    • My account
    • Saved searches
    • Saved cars
    • Recommended cars
    • Browsing history
    • Financing dashboard
      • United States (EN)
      • Estados Unidos (ES)
      • Canada (EN)
      • Canada (FR)
      • United Kingdom

Used GMC Sierra 1500 AT4 for Sale near Loretto, PA

316 results
Loretto, PA
2025 GMC Sierra 1500 AT4 Crew Cab 4WD Fred Beans Buick GMC Mechanicsburg

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

2,470 miles

$63,987

Fair Deal
Mechanicsburg, PA
88 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:
Jet Black With Kalahari Accents
Transmission:
Automatic
Mileage:
2,470
Stock number:
MG503151
VIN:
3GTUUEE87SG346336

Sponsored

2021 GMC Sierra 1500 AT4 Crew Cab 4WD

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

108,946 miles

$31,495

Good Deal
McClellandtown, PA
80 mi away
Year:
2021
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Gray (Satin Steel Metallic)
Combined gas mileage:
18 MPG
Fuel type:
Gasoline
Interior color:
Jet Black with Kalahari accents
Transmission:
Automatic
Mileage:
108,946
Stock number:
GF092A
VIN:
3GTP9EED9MG242767

Sponsored

2023 GMC Sierra 1500 AT4 Crew Cab 4WD

2023 GMC Sierra 1500

AT4 Crew Cab 4WD

40,121 miles

$51,684

Fair Deal
Mechanicsburg, PA
85 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:
Brown (Tan)
Combined gas mileage:
24 MPG
Fuel type:
Diesel
Interior color:
Black
Transmission:
Automatic
Mileage:
40,121
Stock number:
PG139196
VIN:
3GTUUEE82PG139196

Sponsored

2020 GMC Sierra 1500 AT4 Crew Cab 4WD

2020 GMC Sierra 1500

AT4 Crew Cab 4WD

40,805 miles

$42,901

Good Deal
Certified Pre-Owned
Winchester, VA
96 mi away
Year:
2020
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Gray (Satin Steel Metallic)
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Jet Black with Kalahari accents
Transmission:
Automatic
Mileage:
40,805
Stock number:
TG124003A
VIN:
3GTP9EEL6LG338992

2021 GMC Sierra 1500 AT4 Crew Cab 4WD

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

132,751 miles

$29,121

Good Deal
Irwin, PA
61 mi away
Year:
2021
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Gray
Combined gas mileage:
16 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
132,751
Stock number:
R426418
VIN:
3GTP9EEL7MG426418

2023 GMC Sierra 1500 AT4 Crew Cab 4WD

2023 GMC Sierra 1500

AT4 Crew Cab 4WD

45,496 miles

$47,804

Good Deal
Coudersport, PA
92 mi away
Year:
2023
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Sterling Metallic
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Jet Black With Kalahari Accents
Transmission:
Automatic
Mileage:
45,496
Stock number:
25118
VIN:
1GTUUEEL0PZ246655

Preparing for a close up...

Photos coming soon

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

71,864 miles

$36,190

Good Deal
Pittsburgh, PA
64 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:
Gray (Satin Steel Metallic)
Combined gas mileage:
24 MPG
Fuel type:
Diesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
71,864
Stock number:
H4F896A
VIN:
3GTU9EET3MG408288

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

20,094 miles

$56,454

Good Deal
Certified Pre-Owned
Murrysville, PA
56 mi away
Year:
2024
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Thunderstorm Gray
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Jet Black With Kalahari Accents
Transmission:
Automatic
Mileage:
20,094
Stock number:
10C4216A
VIN:
3GTUUEEL4RG373606

Preparing for a close up...

Photos coming soon

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

108,946 miles

$31,495

Good Deal
McClellandtown, PA
80 mi away
Year:
2021
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Gray (Satin Steel Metallic)
Combined gas mileage:
18 MPG
Fuel type:
Gasoline
Interior color:
Jet Black with Kalahari accents
Transmission:
Automatic
Mileage:
108,946
Stock number:
GF092A
VIN:
3GTP9EED9MG242767

Preparing for a close up...

Photos coming soon

2019 GMC Sierra 1500

AT4 Crew Cab 4WD

72,648 miles

$34,988

Good Deal
Lewistown, PA
56 mi away
Year:
2019
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Blue
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
DARK WALNUT
Transmission:
Automatic
Mileage:
72,648
Stock number:
U8434
VIN:
1GTP9EED4KZ181079

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

16,466 miles

$53,996

Great Deal
Certified Pre-Owned
Monroeville, PA
59 mi away
Year:
2024
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Thunderstorm Gray
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Jet Black with Kalahari accents
Transmission:
Automatic
Mileage:
16,466
Stock number:
WG250309A
VIN:
1GTUUEEL8RZ403481

Preparing for a close up...

Photos coming soon

2020 GMC Sierra 1500

AT4 Crew Cab 4WD

106,411 miles

$36,598

Fair Deal
Mechanicsburg, PA
88 mi away
Year:
2020
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Onyx Black
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Jet Black With Kalahari Accents
Transmission:
Automatic
Mileage:
106,411
Stock number:
126043
VIN:
3GTP9EEL4LG126043

Preparing for a close up...

Photos coming soon

2019 GMC Sierra 1500

AT4 Crew Cab 4WD

83,586 miles

$34,500

Good Deal
Muncy, PA
100 mi away
Year:
2019
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Black
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
83,586
Stock number:
B24895A
VIN:
1GTP9EELXKZ187203

Preparing for a close up...

Photos coming soon

2022 GMC Sierra 1500

AT4 Crew Cab 4WD

71,849 miles

$42,358

Good Deal
Coudersport, PA
92 mi away
Year:
2022
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Onyx Black
Combined gas mileage:
16 MPG
Fuel type:
Gasoline
Interior color:
Jet Black With Kalahari Accents
Transmission:
Automatic
Mileage:
71,849
Stock number:
25338
VIN:
1GTPUEEL3NZ575294

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

2,157 miles

$63,958

Fair Deal
Washington, PA
87 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 with Kalahari accents
Transmission:
Automatic
Mileage:
2,157
Stock number:
W0696A
VIN:
3GTUUEE80SG390985

Sponsored

  1. Home
  2. / Used Cars
  3. / GMC Sierra 1500
  4. / AT4
  5. / Pennsylvania
  6. / Loretto

  • GMC Sierra 1500 SLT in Loretto PA

  • GMC Sierra 1500 Denali in Loretto PA

  • GMC Sierra 1500 AT4 in Loretto PA

  • GMC Sierra 1500 Elevation in Loretto PA

  • GMC Sierra 1500 SLE in Loretto PA

  • GMC Sierra 1500 Base in Loretto PA

  • GMC Sierra 1500 Work Truck in Loretto PA

  • GMC Sierra 1500 SL in Loretto PA

  • GMC Sierra 1500 SLE1 in Loretto PA

  • GMC Sierra 1500 SLE2 in Loretto PA

  • GMC Sierra 1500 in Altoona PA

  • GMC Sierra 1500 in Johnstown PA

  • GMC Sierra 1500 in State College PA

  • GMC Sierra 1500 in Greensburg PA

  • GMC Sierra 1500 in Cumberland MD

  • GMC Sierra 1500 in Pittsburgh PA

  • GMC Sierra 1500 in Hagerstown MD

  • GMC Sierra 1500 in Boyers PA

  • GMC Sierra 1500 in Morgantown WV

  • GMC Sierra 1500 in Loretto PA

  • OBS 1990s-era Chevy and Ford Trucks for Sale in Loretto PA

  • Used GMC Electric Cars for Sale

  • Lifted GMC trucks for sale in Loretto PA

  • Work Trucks for Sale in Loretto PA

  • American Made Trucks For Sale in Loretto PA

  • GM Certified Preowned Vehicles for Sale Near Loretto PA

  • Best Pickup Trucks For Sale in Loretto PA

  • 2019 GMC Sierra 1500 AT4 in Loretto PA

  • All Used Cars

  • Manual Transmission Cars

  • Luxury Cars

  • Cars with Red Interior

  • Cheap Manual Cars

  • Hybrid Cars

  • Sports Cars

  • Electric SUVs

  • Cheap Trucks

  • Small Cars

  • Third Row SUVs

  • Three Quarter Ton Trucks

  • Lifted Trucks

  • Manual Transmission Trucks

  • Diesel Trucks

  • Hybrid SUVs

  • Dually Trucks

  • One Ton Trucks

  • Cheap SUVs

  • Lifted Ford Trucks

  • 4x4 Trucks

  • Work Trucks

  • AWD SUVs

  • Ford Trucks

  • Chevrolet Trucks

  • Toyota Trucks

  • Trucks Under $10,000

  • Cars Under $15,000

  • Sports Cars Under $20,000

  • Trucks Under $20,000

  • Used Sedans for Sale with Low Mileage

  • Used SUVs / Crossovers for Sale with Low Mileage

  • Used Hatchbacks for Sale with Low Mileage

  • Used Convertibles for Sale with Low Mileage

  • Used Vans for Sale with Low Mileage

  • Used Minivans for Sale with Low Mileage

  • Used Pickup Trucks for Sale with Low Mileage

  • Used Coupes for Sale with Low Mileage

  • Used Wagons for Sale with Low Mileage

  • Stuckey GMC

  • Colonial Motor Mart

  • Thomas Buick GMC

  • Woy Brothers GMC

Connect with us
Download our app
Download on the App Store Get it on Google Play
  • Company
  • About CarGurus
  • Our team
  • Press
  • Investor relations
  • Price trends
  • Careers
  • Advertise with CarGurus
  • For dealers
  • Dealer signup
  • Dealer resources
  • Terms
  • Terms of use
  • Privacy policy
  • Interest-based ads
  • Security
  • Help
  • Help center
  • Contact us
Click for the BBB Business Review of this Auto Listing Service in Cambridge MA
    • United States (EN)
    • Estados Unidos (ES)
    • Canada (EN)
    • Canada (FR)
    • United Kingdom

© 2025 CarGurus, Inc., All Rights Reserved.