2020 Genesis G70 vs. 2020 Mercedes CLA

Detailed Review, Specifications & Comparison

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Safety

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Both the G70 and the CLA have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front seatbelt pretensioners, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, rearview cameras, driver alert monitors, available all wheel drive and around view monitors.

For its top level performance in IIHS driver and passenger-side small overlap frontal, moderate overlap frontal, side impact, roof strength and head restraint tests, its standard front crash prevention system, and its headlight’s “Good” rating, the Insurance Institute for Highway Safety grants the G70 its highest rating: “Top Pick Plus” for 2019, a rating granted to only 55 vehicles tested by the IIHS. The CLA has not been tested, yet.

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 CLA’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 CLA. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 10 years or 100,000 miles. Coverage on the CLA ends after only 4 years or 50,000 miles.

The G70’s corrosion warranty is 2 years longer than the CLA’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 CLA.

Reliability

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J.D. Power and Associates rated the G70 first among compact premium cars in their 2019 Initial Quality Study. The CLA isn’t in the top three in its category.

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 2.0T’s standard 2.0 turbo 4 cyl. produces 31 more horsepower (252 vs. 221) and 2 lbs.-ft. more torque (260 vs. 258) than the CLA’s 2.0 turbo 4 cyl. The G70 2.0T’s optional 2.0 turbo 4 cyl. produces 34 more horsepower (255 vs. 221) and 2 lbs.-ft. more torque (260 vs. 258) than the CLA’s 2.0 turbo 4 cyl. The G70 3.3T’s standard 3.3 turbo V6 produces 144 more horsepower (365 vs. 221) and 118 lbs.-ft. more torque (376 vs. 258) than the CLA’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 CLA requires premium, which can cost 20 to 55 cents more per gallon.

The G70 has 2.3 gallons more fuel capacity than the CLA (15.8 vs. 13.5 gallons), for longer range between fill-ups.

Transmission

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An eight-speed automatic is standard on the Genesis G70, for better acceleration and lower engine speed on the highway. Only a seven-speed automatic is available for the CLA.

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 CLA doesn’t offer launch control.

Brakes and Stopping

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

G70 3.3T/6-speed

CLA

Front Rotors

13.8 inches

13 inches

Rear Rotors

13.4 inches

12.6 inches

The G70’s standard front and rear disc brakes are vented to help dissipate heat for shorter stops with less fading. The rear discs on the CLA are solid, not vented.

Tires and Wheels

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The G70 3.3T/2.0T Manual/Sport’s 225/40R19 front and 255/35R19 rear tires provide better handling because they have a lower 40 series front and 35 series rear profile (height to width ratio) that provides a stiffer sidewall than the CLA’s 45 series tires.

Suspension and Handling

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For a smoother ride and more stable handling, the G70’s wheelbase is 4.2 inches longer than on the CLA (111.6 inches vs. 107.4 inches).

Passenger Space

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The G70 has 4.8 cubic feet more passenger volume than the CLA (93.8 vs. 89).

The G70 has 1.2 inches more front headroom, .8 inches more front legroom, 1.2 inches more front shoulder room, 1.2 inches more rear headroom, .9 inches more rear legroom and .6 inches more rear shoulder room than the CLA.

Cargo Capacity

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To make loading groceries and cargo easier when your hands are full, the G70’s trunk can be opened just by waiting momentarily behind the back bumper, leaving your hands completely free. The CLA doesn’t offer a hands-free gesture to open its trunk, forcing you to put cargo down if your hands are full.

Servicing Ease

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The engine in the G70 is mounted longitudinally (North-South), instead of sideways, as in the CLA. This makes it easier to service and maintain, because the accessory belts are in front.

Ergonomics

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Both the G70 and the CLA 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 CLA.

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 2019/11/12

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

Motor Trend selected the G70 as their 2019 Car of the Year. The CLA has never been chosen.

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