2020 Mercedes G-Class vs. 2020 Jeep Grand Cherokee SRT

Detailed Review, Specifications & Comparison

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Safety

© 1999 - 2020 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 2020/09/27

For enhanced safety, the front and rear seat shoulder belts of the Mercedes G-Class have pretensioners to tighten the seatbelts and eliminate dangerous slack in the event of a collision and force limiters to limit the pressure the belts will exert on the passengers. The Jeep Grand Cherokee SRT doesn’t offer pretensioners for the rear seat belts.

The G-Class’ pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The Grand Cherokee SRT doesn’t offer pre-crash pretensioners.

The G-Class’ driver alert monitor detects an inattentive driver then sounds a warning and suggests a break. According to the NHTSA, drivers who fall asleep cause about 100,000 crashes and 1500 deaths a year. The Grand Cherokee SRT doesn’t offer a driver alert monitor.

Both the G-Class and the Grand Cherokee SRT have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, height adjustable front shoulder belts, four-wheel antilock brakes, all wheel drive, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, lane departure warning systems, blind spot warning systems, rearview cameras and rear cross-path warning.

Warranty

© 1999 - 2020 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 2020/09/27

The G-Class comes with a full 4-year/50,000-mile basic warranty, which covers the entire truck and includes 24-hour roadside assistance. The Grand Cherokee SRT’s 3-year/36,000-mile basic warranty expires 1 year and 14,000 miles sooner.

Reliability

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For smoother operation, better efficiency and fewer moving parts, the engines in the G-Class have an overhead cam design, rather than the old pushrod design of the engine in the Grand Cherokee SRT.

J.D. Power and Associates’ 2019 Initial Quality Study of new car owners surveyed provide the statistics that show that Mercedes vehicles are better in initial quality than Jeep vehicles. J.D. Power ranks Mercedes 12th in initial quality. With 6 more problems per 100 vehicles, Jeep is ranked 17th.

J.D. Power and Associates’ 2019 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Mercedes vehicles are more reliable than Jeep vehicles. J.D. Power ranks Mercedes 13th in reliability, above the industry average. With 33 more problems per 100 vehicles, Jeep is ranked 24th.

From surveys of all its subscribers, Consumer Reports’ December 2019 Auto Issue reports that Mercedes vehicles are more reliable than Jeep vehicles. Consumer Reports ranks Mercedes 5 places higher in reliability than Jeep.

Engine

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The AMG G 63’s standard 4.0 turbo V8 produces 102 more horsepower (577 vs. 475) and 157 lbs.-ft. more torque (627 vs. 470) than the Grand Cherokee SRT’s 6.4 V8.

As tested in Motor Trend the AMG G 63 is faster than the Jeep Grand Cherokee SRT:

G-Class

Grand Cherokee SRT

Zero to 60 MPH

4.1 sec

4.4 sec

Quarter Mile

12.6 sec

13.1 sec

Speed in 1/4 Mile

108.9 MPH

103.6 MPH

Fuel Economy and Range

© 1999 - 2020 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 2020/09/27

In heavy traffic or at stoplights the G-Class’ engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. The engine is automatically restarted when the driver gets ready to move again. (Start/Stop isn’t accounted in present EPA fuel mileage tests.) The Grand Cherokee SRT doesn’t offer an automatic engine start/stop system.

The G-Class has 1.8 gallons more fuel capacity than the Grand Cherokee SRT (26.4 vs. 24.6 gallons), for longer range between fill-ups.

Environmental Friendliness

© 1999 - 2020 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 2020/09/27

In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Mercedes G-Class higher (3 out of 10) than the Jeep Grand Cherokee SRT (1). This means the G-Class produces up to 22.5 pounds less smog-producing pollutants than the Grand Cherokee SRT every 15,000 miles.

The EPA certifies the Mercedes G-Class as an “Ultra Low Emissions Vehicle” (ULEV). The Jeep Grand Cherokee SRT is only certified to “Low Emissions Vehicle” (LEV) standards.

Transmission

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A nine-speed automatic is standard on the Mercedes G-Class, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the Grand Cherokee SRT.

Tires and Wheels

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The G-Class’ optional tires provide better handling because they have a lower 40 series profile (height to width ratio) that provides a stiffer sidewall than the Grand Cherokee SRT’s 45 series tires.

For better ride, handling and brake cooling the G-Class offers optional 22-inch wheels. The Grand Cherokee SRT’s largest wheels are only 20-inches.

The G-Class has a standard full size spare so a flat doesn’t interrupt your trip. A full size spare costs extra on the Grand Cherokee SRT. Without the option you must depend on a temporary spare, which limits mileage and speed before replacement.

Suspension and Handling

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The G-Class’ front to rear weight distribution is more even (53% to 47%) than the Grand Cherokee SRT’s (55% to 45%). This gives the G-Class more stable handling and braking.

For greater off-road capability the G-Class has a 1.4 inches greater minimum ground clearance than the Grand Cherokee SRT (9.5 vs. 8.1 inches), allowing the G-Class to travel over rougher terrain without being stopped or damaged.

Passenger Space

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The G-Class has 2 inches more front headroom, 1.3 inches more rear headroom and .9 inches more rear legroom than the Grand Cherokee SRT.

Cargo Capacity

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The G-Class has a much larger cargo volume with its rear seat up than the Grand Cherokee SRT with its rear seat up (38.1 vs. 36.3 cubic feet). The G-Class has a much larger cargo volume with its rear seat folded than the Grand Cherokee SRT with its rear seat folded (68.6 vs. 68.3 cubic feet).

A low lift-over cargo hatch design makes loading and unloading the G-Class easier. The G-Class’ cargo hatch lift-over height is 29.3 inches, while the Grand Cherokee SRT’s liftover is 32.6 inches.

Servicing Ease

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J.D. Power and Associates surveys of service recipients show that Mercedes service is better than Jeep. J.D. Power ranks Mercedes fifth in service department satisfaction. With a 67% lower rating, Jeep is ranked 28th.

Ergonomics

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Unlike the driver-only memory system in the Grand Cherokee SRT, the G-Class has standard driver and passenger memory, so that when drivers switch, the memory setting adjusts the driver’s seat, steering wheel position and outside mirror angle and the front passenger seat also adjusts to the new passenger’s preset preferences.

The G-Class’ power parking brake sets with one touch and releases with one touch or automatically. The Grand Cherokee SRT’s parking brake has to released manually.

The G-Class’ front and rear power windows all open or close fully with one touch of the switches, making it more convenient at drive-up windows and toll booths, or when talking with someone outside the car. The Grand Cherokee SRT’s rear power window switches have to be held the entire time to open or close them fully.

To help drivers see further while navigating curves, the G-Class has standard adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle. The Grand Cherokee SRT doesn’t offer cornering lights.

The G-Class offers optional massaging front seats in order to maximize comfort and eliminate fatigue on long trips. Massaging seats aren’t available in the Grand Cherokee SRT.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Mercedes G-Class has a standard wireless phone charging system (Qi) in the center console. The Grand Cherokee SRT doesn’t offer wireless personal charging.

The G-Class’ Active Parking Assist can parallel park or back into a parking spot by itself, starting, stopping and changing direction automatically. The Grand Cherokee SRT’s automatic parking system requires operating the brakes and transmission to safely park.

Recommendations

© 1999 - 2020 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 2020/09/27

The G-Class was chosen as one of Automobile Magazine’s “All Stars” in 2019. The Grand Cherokee SRT has never been an “All Star.”

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