2019 GMC Sierra HD vs. 2019 Ram HD

Detailed Review, Specifications & Comparison

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Safety

Both the Sierra HD and Ram HD have child safety locks to prevent children from opening the rear doors. The Sierra HD has power child safety locks, allowing the driver to activate and deactivate them from the driver's seat and to know when they're engaged. The Ram HD’s child locks have to be individually engaged at each rear door with a manual switch. The driver can’t know the status of the locks without opening the doors and checking them.

In the past twenty years hundreds of infants and young children have died after being left in vehicles, usually by accident. When turning the vehicle off, drivers of the Sierra HD are reminded to check the back seat if they opened the rear door before starting out. The Ram HD doesn’t offer a back seat reminder.

The Sierra HD SLT/Denali’s optional lane departure warning system alerts a temporarily inattentive driver when the vehicle begins to leave its lane. The Ram HD doesn’t offer a lane departure warning system.

Both the Sierra HD and the Ram HD have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights, rearview cameras, available four-wheel drive, collision warning systems and front and rear parking sensors.

Warranty

The Sierra HD’s corrosion warranty is 1 year longer than the Ram HD’s (6 vs. 5 years).

GMC pays for the first scheduled maintenance on the Sierra HD. GMC will pay for the first oil change, lubrication and any other required maintenance in the first year. Ram doesn’t pay scheduled maintenance for the HD.

Reliability

The Sierra HD Gas has a standard “limp home system” to keep drivers from being stranded if most or all of the engine’s coolant is lost. The engine will reduce its power and light a warning lamp on the dashboard so the driver can get to a service station for repairs. The Ram HD doesn’t offer a lost coolant limp home mode, so a coolant leak could strand you or seriously damage the truck’s engine.

J.D. Power and Associates’ 2018 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that GMC vehicles are more reliable than Ram vehicles. J.D. Power ranks GMC 18th in reliability. With 11 more problems per 100 vehicles, Ram is ranked 24th.

From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that GMC vehicles are more reliable than Ram vehicles. Consumer Reports ranks GMC 1 place higher in reliability than Ram.

Engine

The Sierra HD’s 6.6 turbo V8 diesel produces 75 more horsepower (445 vs. 370) and 60 lbs.-ft. more torque (910 vs. 850) than the Ram HD 2500’s optional 6.7 turbo diesel. The Sierra HD’s 6.6 turbo V8 diesel produces 45 more horsepower (445 vs. 400) than the Ram HD 3500’s optional 6.7 turbo diesel.

Suspension and Handling

The GMC Sierra HD’s independent front suspension is much lighter than the Ram HD’s solid front axle, which allows the Sierra HD’s wheels to react more quickly and accurately to the road’s surface, improving both ride and handling.

The Sierra HD offers optional vehicle speed sensitive variable-assist power steering, for low-effort parking, better control at highway speeds and during hard cornering, and a better feel of the road. The Ram HD doesn’t offer variable-assist power steering.

The Sierra HD SLE/SLT/Denali Double Cab/Crew Cab’s drift compensation steering can automatically compensate for road conditions which would cause the vehicle to drift from side to side, helping the driver to keep the vehicle straight more easily. The Ram HD doesn’t offer drift compensation steering.

For a smoother ride and more stable handling, the Sierra 2500 Standard Box Crew Cab’s wheelbase is 4.7 inches longer than on the Ram HD 2500 Short Box Crew Cab (153.7 inches vs. 149 inches).

For greater off-road capability the Sierra 3500 Standard Box Crew Cab has a 1.12 inches greater minimum ground clearance than the Ram HD 3500 Long Box Crew Cab (8.42 vs. 7.3 inches), allowing the Sierra HD to travel over rougher terrain without being stopped or damaged.

Passenger Space

The Sierra HD Crew Cab has 1.9 inches more front headroom, 4.4 inches more front legroom, .7 inches more rear headroom and .7 inches more rear legroom than the Ram HD Crew Cab.

Cargo Capacity

The Sierra HD Crew Cab shortbed has a much larger cargo box than the Ram HD Crew Cab shortbed (61 vs. 57.5 cubic feet). The Sierra HD Crew Cab longbed has a much larger cargo box than the Ram HD Crew Cab longbed (76.3 vs. 74.7 cubic feet).

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.

Ergonomics

The Sierra HD’s 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.

Recommendations

Motor Trend selected the Sierra HD as their 2018 Truck of the Year. The Ram HD has never been chosen.

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

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