2020 Genesis G70 vs. 2020 Mercedes C-Class Sedan

Detailed Review, Specifications & Comparison

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Safety

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Both the G70 and the C-Class Sedan have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front 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, blind spot warning systems, rearview cameras, driver alert monitors, available all wheel drive and around view monitors.

Warranty

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The G70 comes with a full 5-year/60,000-mile basic warranty, which covers the entire car and includes free 24-hour roadside assistance. The C-Class Sedan’s 4-year/50,000-mile basic warranty expires 1 year and 10,000 miles sooner.

Genesis’ powertrain warranty covers the G70 6 years and 50,000 miles longer than Mercedes covers the C-Class Sedan. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 10 years or 100,000 miles. Coverage on the C-Class Sedan ends after only 4 years or 50,000 miles.

The G70’s corrosion warranty is 2 years longer than the C-Class Sedan’s (7 vs. 5 years).

Genesis pays for scheduled maintenance on the G70 for 3 years and 36,000 miles. Genesis will pay for oil changes, lubrication and any other required maintenance. Mercedes doesn’t pay scheduled maintenance for the C-Class Sedan.

Reliability

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The battery on the G70 is in the trunk, which protects it from hot underhood temperatures that can degrade battery life. By keeping the G70’s battery 20 to 30 degrees cooler, its life is increased by years. The C-Class Sedan’s battery is in the hot engine compartment.

J.D. Power and Associates rated the G70 first among compact premium cars in their 2019 Initial Quality Study. The C-Class Sedan isn’t in the top three.

J.D. Power and Associates’ 2019 Initial Quality Study of new car owners surveyed provide the statistics that show that Genesis vehicles are better in initial quality than Mercedes vehicles. J.D. Power ranks Genesis first in initial quality, above the industry average. With 31 more problems per 100 vehicles, Mercedes is ranked 12th, below the industry average.

From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that Genesis vehicles are more reliable than Mercedes vehicles. Consumer Reports ranks Genesis 5 places higher in reliability than Mercedes.

Engine

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The G70 3.3T’s standard 3.3 turbo V6 produces 110 more horsepower (365 vs. 255) and 103 lbs.-ft. more torque (376 vs. 273) than the C-Class Sedan’s 2.0 turbo 4 cyl.

Fuel Economy and Range

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To lower fuel costs and make buying fuel easier, the Genesis G70 uses regular unleaded gasoline (premium recommended for maximum performance). The C-Class Sedan requires premium, which can cost 20 to 55 cents more per gallon.

Transmission

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The G70 offers a manual transmission for better acceleration, control and fuel economy. The C-Class Sedan doesn’t offer a manual transmission.

The G70’s launch control uses engine electronics to hold engine RPM’s precisely in order to provide the most stable and rapid acceleration possible, using all of the available traction. The C-Class Sedan doesn’t offer launch control.

Brakes and Stopping

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For better stopping power the G70 3.3T/6-speed’s brake rotors are larger than those on the C-Class Sedan:

G70 3.3T/6-speed

C-Class Sedan

Front Rotors

13.8 inches

13 inches

Rear Rotors

13.4 inches

11.8 inches

The G70 stops shorter than the C-Class Sedan:

G70

C-Class Sedan

60 to 0 MPH

106 feet

108 feet

Motor Trend

Tires and Wheels

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The G70’s standard tires provide better handling because they have a lower 45 series profile (height to width ratio) that provides a stiffer sidewall than the C-Class Sedan’s 50 series tires.

For better ride, handling and brake cooling the G70 has standard 18-inch wheels. Smaller 17-inch wheels are standard on the C-Class Sedan.

The G70 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 C-Class Sedan; 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 models of the C-Class Sedan don’t even offer run-flats.

Suspension and Handling

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The G70 offers an available driver-adjustable suspension system. It allows the driver to choose between an extra-supple ride, reducing fatigue on long trips, or a sport setting, which allows maximum control for tricky roads. The C-Class Sedan’s suspension doesn’t offer adjustable shock absorbers.

For better handling and stability, the average track (width between the wheels) on the G70 is 1.3 inches wider in the front and 2.9 inches wider in the rear than the average track on the C-Class Sedan.

The G70 handles at .94 G’s, while the C 300 Sedan 4MATIC pulls only .87 G’s of cornering force in a Motor Trend skidpad test.

The G70 Standard executes Motor Trend’s “Figure Eight” maneuver 1.1 seconds quicker than the C 300 Sedan 4MATIC (25.2 seconds @ .75 average G’s vs. 26.3 seconds @ .7 average G’s).

For better maneuverability, the G70’s turning circle is .7 feet tighter than the C-Class Sedan’s (36.1 feet vs. 36.8 feet).

Chassis

© 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 2019/11/22

The design of the Genesis G70 amounts to more than styling. The G70 has an aerodynamic coefficient of drag of .28 Cd. That is lower than the C-Class Sedan (.3) and many sports cars. A more efficient exterior helps keep the interior quieter and helps the G70 get better fuel mileage.

Passenger Space

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The G70 has 3.8 cubic feet more passenger volume than the C-Class Sedan (93.8 vs. 90).

The G70 has 2.6 inches more front headroom, .9 inches more front legroom and 1 inch more front shoulder room than the C-Class Sedan.

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 2019/11/22

Both the G70 and the C-Class Sedan offer available heated front seats. The G70 Prestige/Sport also has standard heated rear seats to keep those passengers extremely comfortable in the winter. Heated rear seats aren’t available in the C-Class Sedan.

Economic Advantages

© 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 2019/11/22

Insurance will cost less for the G70 owner. The Complete Car Cost Guide estimates that insurance for the G70 will cost $940 less than the C-Class Sedan over a five-year period.

The G70 will cost the buyer less in the long run because of its superior resale value. The IntelliChoice estimates that the G70 will retain 41.05% to 41.79% of its original price after five years, while the C-Class Sedan only retains 36.56% to 37.71%.

IntelliChoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the Genesis G70 will be $8413 to $9493 less than for the Mercedes C-Class Sedan.

Recommendations

© 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 2019/11/22

The G70 was chosen as one of Car and Driver’s “Top Ten” in 2019. The C-Class Sedan has never been a Car and Driver “Top Ten” pick.

Motor Trend selected the G70 as their 2019 Car of the Year. The C-Class Sedan has never been chosen.

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