2020 Lexus GS F vs. 2020 Mercedes AMG S-Class

Detailed Review, Specifications & Comparison

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Safety

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Both the GS F and the AMG S-Class have standard driver and passenger frontal airbags, front and rear side-impact airbags, driver knee airbags, side-impact head airbags, front and rear seatbelt pretensioners, height-adjustable front shoulder belts, four-wheel antilock brakes, 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 driver alert monitors.

Warranty

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Lexus’ powertrain warranty covers the GS F 2 years and 20,000 miles longer than Mercedes covers the AMG S-Class. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 6 years or 70,000 miles. Coverage on the AMG S-Class ends after only 4 years or 50,000 miles.

The GS F’s corrosion warranty is 1 year longer than the AMG S-Class’ (6 vs. 5 years).

Reliability

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J.D. Power and Associates’ 2019 Initial Quality Study of new car owners surveyed provide the statistics that show that Lexus vehicles are better in initial quality than Mercedes vehicles. J.D. Power ranks Lexus 8th in initial quality, above the industry average. With 4 more problems per 100 vehicles, Mercedes is ranked 12th, below the industry average.

J.D. Power and Associates’ 2019 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Lexus vehicles are more reliable than Mercedes vehicles. J.D. Power ranks Lexus first in reliability, above the industry average. With 28 more problems per 100 vehicles, Mercedes is ranked 13th.

From surveys of all its subscribers, Consumer Reports’ December 2019 Auto Issue reports that Lexus vehicles are more reliable than Mercedes vehicles. Consumer Reports ranks Lexus first in reliability. Mercedes is ranked 21st.

Fuel Economy and Range

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On the EPA test cycle the GS F gets better fuel mileage than the AMG S 65 RWD V12 (16 city/24 hwy vs. 13 city/22 hwy).

Environmental Friendliness

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In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Lexus GS F higher (5 out of 10) than the Mercedes AMG S-Class (3 to 5). This means the GS F produces up to 16.5 pounds less smog-producing pollutants than the AMG S-Class every 15,000 miles.

Tires and Wheels

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The GS F’s tires provide better handling because they have a lower 35 series profile (height to width ratio) that provides a stiffer sidewall than the AMG S-Class’ standard 45 series front and 40 series rear tires. The GS F’s tires are lower profile than the AMG S 65 Sedan’s 40 series front tires.

The GS F has a standard space-saver spare tire so you can replace a flat tire and drive to have the flat repaired or replaced. A spare tire isn’t available on the AMG S-Class; it requires you to depend on its run-flat tires, which limits mileage and speed before they are repaired. If a run-flat is damaged beyond repair by a road hazard your vehicle will have to be towed. Some tire options on the AMG S-Class don’t have a run-flat feature, either.

Suspension and Handling

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For better maneuverability, the GS F’s turning circle is 1.3 feet tighter than the AMG S 65 Sedan’s (36.8 feet vs. 38.1 feet). The GS F’s turning circle is 2.2 feet tighter than the AMG S 63 Sedan’s (36.8 feet vs. 39 feet).

Chassis

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The Lexus GS F may be more efficient, handle and accelerate better because it weighs about 750 to 950 pounds less than the Mercedes AMG S-Class.

The GS F is 1 foot, 3 inches shorter than the AMG S-Class, making the GS F easier to handle, maneuver and park in tight spaces.

Servicing Ease

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J.D. Power and Associates surveys of service recipients show that Lexus service is better than Mercedes. J.D. Power ranks Lexus second in service department satisfaction. With a 11% lower rating, Mercedes is ranked fifth.

Ergonomics

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In poor weather, headlights can lose their effectiveness as grime builds up on their lenses. This can reduce visibility without the driver realizing. The GS F offers available headlight washers to keep headlight output high. The AMG S-Class doesn’t offer headlight washers.

To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the GS F has standard extendable sun visors. The AMG S-Class doesn’t offer extendable visors.

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