What are the Dimensions for GMC Sierra 3500HD

How long and wide is a GMC Sierra 3500HD? Answering this question retrospectively, the length of GMC Sierra 3500HD changed from 224.4 in (5700 mm) in 2017 to 266 in (6756 mm) in 2023. The width increased from 80 in (2032 mm) in 2014 to 96.6 in (2454 mm) in 2023.


If you are eager to know all the GMC Sierra 3500HD dimensions, our car size chart will be of help! Pick up the trim and year of manufacture and you will see the exterior and interior dimensions of your vehicle.

  • 2023 GMC Sierra 3500HD

    • Dimensions (LxWxH) – 235.5 x 81.8 x 80 in (5982 x 2078 x 2032 mm)
    • Wheelbase – 141.6 - 172 in (3597 - 4369 mm)
    • Turning radius – 23.5 - 28.5 in (597 - 724 mm)
    • Front legroom – 44.5 in (1130 mm)
    • Rear legroom – 0 - 43.4 in (0 - 1102 mm)
    • Front headroom – 43 in (1092 mm)
    • Rear headroom – 40 in (1016 mm)
    • Ground clearance – 10.4 - 11.2 in (264 - 284 mm)
    • Curb weight – 6231 - 7352 lbs
  • 2022 GMC Sierra 3500HD

    • Dimensions (LxWxH) – 235.5 x 81.8 x 80 in (5982 x 2078 x 2032 mm)
    • Wheelbase – 141.6 - 172 in (3597 - 4369 mm)
    • Turning radius – 23.5 - 28.5 in (597 - 724 mm)
    • Front legroom – 44.5 in (1130 mm)
    • Rear legroom – 0 - 43.4 in (0 - 1102 mm)
    • Front headroom – 43 in (1092 mm)
    • Rear headroom – 40 in (1016 mm)
    • Ground clearance – 10.4 - 11.2 in (264 - 284 mm)
    • Curb weight – 6231 - 7352 lbs
  • 2021 GMC Sierra 3500HD

    • Dimensions (LxWxH) – 235.5 x 81.8 x 80 in (5982 x 2078 x 2032 mm)
    • Wheelbase – 141.6 - 172 in (3597 - 4369 mm)
    • Turning radius – 23.5 - 28.5 in (597 - 724 mm)
    • Front legroom – 44.5 in (1130 mm)
    • Rear legroom – 0 - 43.4 in (0 - 1102 mm)
    • Front headroom – 43 in (1092 mm)
    • Rear headroom – 40 in (1016 mm)
    • Ground clearance – 10.4 - 11.2 in (264 - 284 mm)
    • Curb weight – 6231 - 7352 lbs
  • 2020 GMC Sierra 3500HD

    • Dimensions (LxWxH) – 235.5 x 81.8 x 80 in (5982 x 2078 x 2032 mm)
    • Wheelbase – 141.6 - 172 in (3597 - 4369 mm)
    • Turning radius – 23.5 - 28.5 in (597 - 724 mm)
    • Front legroom – 44.5 in (1130 mm)
    • Rear legroom – 0 - 43.4 in (0 - 1102 mm)
    • Front headroom – 43 in (1092 mm)
    • Rear headroom – 40 in (1016 mm)
    • Ground clearance – 10.4 - 11.2 in (264 - 284 mm)
    • Curb weight – 6231 - 7352 lbs
  • 2019 GMC Sierra 3500HD

    • Dimensions (LxWxH) – 239.5 x 80.5 x 77.8 in (6083 x 2045 x 1976 mm)
    • Wheelbase – 153.7 - 167.7 in (3904 - 4260 mm)
    • Turning radius – 25.9 - 28.1 in (658 - 714 mm)
    • Front legroom – 45.3 in (1151 mm)
    • Rear legroom – 40.9 in (1039 mm)
    • Front headroom – 43 in (1092 mm)
    • Rear headroom – 41 in (1041 mm)
    • Ground clearance – 8.3 - 8.6 in (211 - 218 mm)
    • Curb weight – 6423 - 7239 lbs
  • 2017 GMC Sierra 3500HD

    • Dimensions (LxWxH) – 224.4 x 80.1 x 76.8 in (5700 x 2035 x 1951 mm)
    • Wheelbase – 133.6 - 167.7 in (3393 - 4260 mm)
    • Turning radius – 22.9 - 28.1 in (582 - 714 mm)
    • Front legroom – 45.3 in (1151 mm)
    • Rear legroom – 0 - 40.9 in (0 - 1039 mm)
    • Front headroom – 43 in (1092 mm)
    • Rear headroom – 39 - 41 in (991 - 1041 mm)
    • Ground clearance – 8 - 8.8 in (203 - 224 mm)
    • Curb weight – 5958 - 7229 lbs
  • 2016 GMC Sierra 3500HD

    • Dimensions (LxWxH) – 224.4 x 80.1 x 76.8 in (5700 x 2035 x 1951 mm)
    • Wheelbase – 133.6 - 167.7 in (3393 - 4260 mm)
    • Turning radius – 22.9 - 28.1 in (582 - 714 mm)
    • Front legroom – 45.3 in (1151 mm)
    • Rear legroom – 0 - 40.9 in (0 - 1039 mm)
    • Front headroom – 43 in (1092 mm)
    • Rear headroom – 39 - 41 in (991 - 1041 mm)
    • Ground clearance – 8 - 8.8 in (203 - 224 mm)
    • Curb weight – 5958 - 7229 lbs
  • 2015 GMC Sierra 3500HD

    • Dimensions (LxWxH) – 224.4 x 80.1 x 76.8 in (5700 x 2035 x 1951 mm)
    • Wheelbase – 133.6 - 167.7 in (3393 - 4260 mm)
    • Turning radius – 22.9 - 28.1 in (582 - 714 mm)
    • Front legroom – 45.3 in (1151 mm)
    • Rear legroom – 34.7 - 40.9 in (881 - 1039 mm)
    • Front headroom – 42.8 in (1087 mm)
    • Rear headroom – 38.7 - 40.5 in (983 - 1029 mm)
    • Ground clearance – 8 - 8.8 in (203 - 224 mm)
    • Curb weight – 5958 - 7229 lbs
  • 2014 GMC Sierra 3500HD

    • Dimensions (LxWxH) – 225 x 80 x 77.4 in (5715 x 2032 x 1966 mm)
    • Wheelbase – 133.7 - 167.7 in (3396 - 4260 mm)
    • Turning radius – 22.5 - 27.7 in (572 - 704 mm)
    • Front legroom – 41.3 in (1049 mm)
    • Rear legroom – 39 in (991 mm)
    • Front headroom – 41.3 in (1049 mm)
    • Rear headroom – 40.6 in (1031 mm)
    • Ground clearance – 9.6 - 10.1 in (244 - 257 mm)
    • Curb weight – 5775 - 7239 lbs
  • 2013 GMC Sierra 3500HD

    • Dimensions (LxWxH) – 225 x 80 x 77.4 in (5715 x 2032 x 1966 mm)
    • Wheelbase – 133.7 - 167.7 in (3396 - 4260 mm)
    • Turning radius – 22.5 - 27.7 in (572 - 704 mm)
    • Front legroom – 41.3 in (1049 mm)
    • Rear legroom – 34.3 - 39 in (871 - 991 mm)
    • Front headroom – 41.1 - 41.3 in (1044 - 1049 mm)
    • Rear headroom – 39.5 - 40.6 in (1003 - 1031 mm)
    • Ground clearance – 9.6 - 10.1 in (244 - 257 mm)
    • Curb weight – 5775 - 7239 lbs
  • 2012 GMC Sierra 3500HD

    • Dimensions (LxWxH) – 225 x 80 x 77.4 in (5715 x 2032 x 1966 mm)
    • Wheelbase – 133.7 - 167.7 in (3396 - 4260 mm)
    • Turning radius – 22.5 - 27.7 in (572 - 704 mm)
    • Front legroom – 41.3 in (1049 mm)
    • Rear legroom – 34.3 - 39 in (871 - 991 mm)
    • Front headroom – 41.1 - 41.3 in (1044 - 1049 mm)
    • Rear headroom – 39.5 - 40.6 in (1003 - 1031 mm)
    • Ground clearance – 9.6 - 10.1 in (244 - 257 mm)
    • Curb weight – 5775 - 7297 lbs
  • 2011 GMC Sierra 3500HD

    • Dimensions (LxWxH) – 225 x 80 x 77.4 in (5715 x 2032 x 1966 mm)
    • Wheelbase – 133.7 - 167.7 in (3396 - 4260 mm)
    • Turning radius – 22.5 - 27.7 in (572 - 704 mm)
    • Front legroom – 41.3 in (1049 mm)
    • Rear legroom – 34.3 - 39 in (871 - 991 mm)
    • Front headroom – 41.1 - 41.3 in (1044 - 1049 mm)
    • Rear headroom – 39.5 - 40.6 in (1003 - 1031 mm)
    • Ground clearance – 9.6 - 10.1 in (244 - 257 mm)
    • Curb weight – 5768 - 7267 lbs
  • 2010 GMC Sierra 3500HD

    • Dimensions (LxWxH) – 224.7 x 80 x 75.6 in (5707 x 2032 x 1920 mm)
    • Wheelbase – 133 - 167 in (3378 - 4242 mm)
    • Turning radius – 22.3 - 27.5 in (566 - 699 mm)
    • Front legroom – 41.3 in (1049 mm)
    • Rear legroom – 34.3 - 39 in (871 - 991 mm)
    • Front headroom – 41.2 - 41.4 in (1046 - 1052 mm)
    • Rear headroom – 39.2 - 40.5 in (996 - 1029 mm)
    • Ground clearance – 9.1 - 11.3 in (231 - 287 mm)
    • Curb weight – 4888 - 6672 lbs
  • 2009 GMC Sierra 3500HD

    • Dimensions (LxWxH) – 224.7 x 80 x 75.6 in (5707 x 2032 x 1920 mm)
    • Wheelbase – 133 - 167 in (3378 - 4242 mm)
    • Turning radius – 22.7 - 27.5 in (577 - 699 mm)
    • Front legroom – 41.3 in (1049 mm)
    • Rear legroom – 34.3 - 39 in (871 - 991 mm)
    • Front headroom – 41.2 - 41.4 in (1046 - 1052 mm)
    • Rear headroom – 39.2 - 40.5 in (996 - 1029 mm)
    • Ground clearance – 9.1 - 11.3 in (231 - 287 mm)
    • Curb weight – 4888 - 6672 lbs
  • 2008 GMC Sierra 3500HD

    • Dimensions (LxWxH) – 224.7 x 80 x 75.6 in (5707 x 2032 x 1920 mm)
    • Wheelbase – 133 - 167 in (3378 - 4242 mm)
    • Turning radius – 22.7 - 27.5 in (577 - 699 mm)
    • Front legroom – 41.3 in (1049 mm)
    • Rear legroom – 34.3 - 39 in (871 - 991 mm)
    • Front headroom – 41.3 in (1049 mm)
    • Rear headroom – 39.3 - 40.6 in (998 - 1031 mm)
    • Ground clearance – 9.1 - 11.3 in (231 - 287 mm)
    • Curb weight – 5092 - 6694 lbs

Each GMC Sierra 3500HD owner should know that the exterior auto dimensions include length, height, and width (without side mirrors), wheelbase, ground clearance, turning radius, and front/rear track. The interior GMC Sierra 3500HD sizes cover headroom, shoulder room, legroom, hip room, and boot space.


Proper interior and exterior car sizes allow drivers to steer comfortably and safely. Before making any upgrades, check out our GMC Sierra 3500HD dimensions chart.



GMC Sierra 3500HD specs
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Dimensions
Ground clearance
Weight

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Gas tank size
Truck bed size
Safety ratings
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