Sierra HD

Ram HD

Extended Cab Standard Bed

149.4 inches

n/a

Extended Cab Long Bed

162.5 inches

n/a

Crew Cab Standard Bed

158.9 inches

149 inches

Crew Cab Long Bed

172 inches

169 inches

For greater off-road capability the Sierra 2500HD Crew Cab has a 2.8 inches greater minimum ground clearance than the Ram HD 3500 Long Box Crew Cab (10.1 vs. 7.3 inches), allowing the Sierra HD to travel over rougher terrain without being stopped or damaged. The Sierra 3500HD Standard Bed Crew Cab’s minimum ground clearance is 2.7 inches higher than on the Ram HD 2500 Long Box Regular Cab (11.2 vs. 8.5 inches).

Passenger Space

? 1999 - 2019 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2019/10/10

The Sierra HD Regular Cab has 3.3 inches more front headroom, 3.6 inches more front legroom and .2 inches more front shoulder room than the Ram HD Regular Cab.

The Sierra HD Crew Cab has 2.1 inches more front headroom, 3.6 inches more front legroom, .1 inches more front shoulder room, .1 inches more rear headroom and 3.2 inches more rear legroom than the Ram HD Crew Cab.

Cargo Capacity

? 1999 - 2019 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2019/10/10

The Sierra HD Regular Cab has a much larger cargo box than the Ram HD Regular Cab Standard Bed (83.5 vs. 74.7 cubic feet).

The Sierra HD Crew Cab Standard Bed has a much larger cargo box than the Ram HD Crew Cab Standard Bed (69.5 vs. 57.5 cubic feet). The Sierra HD Crew Cab Long Bed has a much larger cargo box than the Ram HD Crew Cab Long Bed (83.5 vs. 74.7 cubic feet).

The Sierra HD’s cargo box is larger than the Ram HD’s in almost every dimension:

Sierra HD Standard Bed

Sierra HD Long Bed

Ram HD Standard Bed

Ram HD Long Bed

Length

82.3”

98.3”

76.3”

98.3”

Max Width

71.4”

71.4”

66.4”

66.4”

Min Width

50.6”

51.9”

51”

51”

Height

21”

21”

20.2”

20.2”

The GMC Sierra HD has a standard CornerStep, which allows for much easier access to the cargo area. A rear cargo step costs extra on the Ram HD.

The Sierra HD has stake post holes, to allow the containment of tall, light loads. The Ram HD doesn’t offer stake post holes.

Payload and Towing

? 1999 - 2019 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2019/10/10

The Sierra HD’s minimum standard towing capacity is much higher than the Ram HD’s (16410 vs. 13660 pounds). Maximum trailer towing in the Ram 3500 Regular Cab is only 35,100 pounds. The Sierra 3500HD Long Bed Regular Cab offers up to a 35,500 lbs. towing capacity.

The Sierra HD has a higher standard payload capacity than the Ram HD:

Sierra HD

Ram HD

Crew Cab 3500HD

4316 lbs.

4300 lbs.

Regular Cab 2500HD 4x4

3794 lbs.

3680 lbs.

Crew Cab 2500HD 4x4

3589 lbs.

3380 lbs.

Crew Cab 3500HD 4x4

4365 lbs.

4270 lbs.

The Sierra HD has higher optional payload capacities than the Ram HD:

Sierra HD

Ram HD

Crew Cab 2500HD

3800 lbs.

3650 lbs.

Regular Cab 2500HD 4x4

3965 lbs.

3680 lbs.

Ergonomics

? 1999 - 2019 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2019/10/10

The Sierra HD SLT/AT4/Denali offers an optional heads-up display that projects speed and other key instrumentation readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The Ram HD doesn’t offer a heads-up display.

The Sierra HD’s basic available front and rear power windows all lower with one touch of the switches, making it more convenient at drive-up windows and toll booths, or when talking with someone outside of the car. The Ram HD’s rear power window switches have to be held the entire time to open them fully.

© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.

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