2006 GMC Sierra 2500HD SLT Extended Cab Duramax

25k-Mile 2006 GMC Sierra 2500 HD 4×4

2001 GMC Sierra 2500 SLE

2005 GMC Sierra 3500HD SLT

2002 GMC Sierra 2500HD SLE

2001 GMC Sierra 2500HD SLT 4x4

2005 GMC Sierra 2500HD SLT 4x4

2003 GMC Sierra 2500HD SLE 4x4

2005 GMC Sierra 3500 SLT 4x4

2003 GMC Sierra 2500HD SLE 4x4

30k-Mile 2001 GMC Sierra 2500HD SLE Extended Cab

45k-Mile 2004 GMC Sierra 2500HD SLE 4×4

11k-Mile 2001 GMC Sierra 2500HD SLE Extended Cab

2004 GMC Sierra 2500HD Duramax 4×4

49k-Mile 2002 GMC Sierra 2500HD SLE Crew Cab

2006 GMC Sierra 2500HD Extended Cab 4×4

2002 GMC Sierra 1500 Denali Extended Cab Quadrasteer

22k-Mile 2003 GMC Sierra 2500HD SLE 4×4 Duramax

2002 GMC Sierra 2500HD SLE Crew Cab Duramax

43k-Mile 2004 GMC Sierra 2500HD SLE Extended Cab 8.1

2002 GMC Sierra 2500HD SLT Crew Cab 4x4

2003 GMC Sierra 3500 SLE Dually Crew Cab Duramax

2004 GMC Sierra 2500HD SLE Extended Cab 4×4

7k-Mile 2005 GMC Sierra 1500HD SLE Crew Cab 4×4

Single-Family-Owned 2002 GMC Sierra 1500HD Crew Cab SLT 4×4

2003 GMC Sierra 3500 SLE Dually Crew Cab Duramax

2006 GMC Sierra 2500HD SLE Extended Cab 4×4

2003 GMC Sierra 2500HD SLE Extended Cab 4×4

34k-Mile 2004 GMC Sierra 2500HD SLT Extended Cab 8.1L

Single-Family-Owned 2003 GMC Sierra 2500HD SLT Crew Cab 4×4

12k-Mile 2005 GMC Sierra 3500 SLT Crew Cab Duramax Dually

32k-Mile 2002 GMC Sierra 2500HD SLE Extended Cab 8.1L

32k-Mile 2003 GMC Sierra 3500 Extended Cab Dually 4×4

35k-Mile 2004 GMC Sierra 2500HD SLT Extended Cab 4×4 Duramax

2006 GMC Sierra 2500HD SLT Crew Cab 4×4 Duramax

2002 GMC Sierra 2500HD SLT Extended Cab 4×4 Duramax

2003 GMC Sierra 2500HD SLE Extended Cab 4×4 8.1

3,400-Mile 2004 GMC Sierra 3500 Dually Extended Cab 4×4 Duramax

2004 GMC Sierra 2500HD SLT Crew Cab Duramax 4×4

2006 GMC Sierra 2500HD SLE Crew Cab Duramax 4×4

29k-Mile 2003 GMC Sierra 2500HD SLT Crew Cab Duramax 4×4

2003 GMC Sierra 2500HD SLT Extended Cab Duramax 4×4

49k-Mile 2003 GMC Sierra 2500HD SLE Extended Cab Duramax 4×4

One-Owner 2005 GMC Sierra 2500HD SLT Crew Cab Duramax 4×4

1,900-Mile 2007 GMC Sierra 2500HD SLE Crew Cab Duramax 4×4

2005 GMC Sierra 3500 SLT Dually Crew Cab 4×4 Duramax

2001 GMC Sierra 2500HD SLT Extended Cab 8.1L 4×4

37k-Mile 2005 GMC Sierra 2500HD SLT Extended Cab 8.1L 4×4

2006 GMC Sierra 3500 SLT Dually Crew Cab Duramax Car Hauler

2001 GMC Sierra 2500HD SLE Extended Cab 8.1L 4×4