2020 Mercedes E-Class Cabriolet vs. 2020 BMW 8 Series

Detailed Review, Specifications & Comparison

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Safety

© 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 2019/11/21

For enhanced safety, the front and rear seat shoulder belts of the Mercedes E-Class Cabriolet 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 BMW 8 Series doesn’t offer pretensioners for the rear seat belts.

Both the E-Class Cabriolet and the 8 Series have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, 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, lane departure warning systems, around view monitors and rear cross-path warning.

Warranty

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There are over 10 percent more Mercedes dealers than there are BMW dealers, which makes it easier should you ever need service under the E-Class Cabriolet’s warranty.

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 Mercedes vehicles are better in initial quality than BMW vehicles. J.D. Power ranks Mercedes 12th in initial quality. With 8 more problems per 100 vehicles, BMW is ranked 20th.

Engine

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The E-Class Cabriolet’s 3.0 turbo V6 produces 27 more horsepower (362 vs. 335) and 1 lbs.-ft. more torque (369 vs. 368) than the 840i’s standard 3.0 turbo 6 cyl.

Environmental Friendliness

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In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Mercedes E-Class Cabriolet higher (5 out of 10) than the BMW 8 Series (3). This means the E-Class Cabriolet produces up to 16.5 pounds less smog-producing pollutants than the 8 Series every 15,000 miles.

Transmission

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A nine-speed automatic is standard on the Mercedes E-Class Cabriolet, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the 8 Series.

Suspension and Handling

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The E-Class Cabriolet has a standard automatic front and rear load leveling suspension to keep ride height level with a heavy load or when towing. The E-Class Cabriolet’s height leveling suspension allows the driver to raise ride height for better off-road clearance and then lower it again for easier entering and exiting and better on-road handling. The 8 Series doesn’t offer a load leveling suspension.

The E-Class Cabriolet’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 8 Series doesn’t offer drift compensation steering.

For a smoother ride and more stable handling, the E-Class Cabriolet’s wheelbase is 2 inches longer than on the 8 Series (113.1 inches vs. 111.1 inches).

For better maneuverability, the E-Class Cabriolet’s turning circle is .7 feet tighter than the 8 Series’ (37.5 feet vs. 38.2 feet). The E-Class Cabriolet’s turning circle is 1.5 feet tighter than the 8 Series xDrive’s (37.5 feet vs. 39 feet).

Passenger Space

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The E-Class Cabriolet has 6 cubic feet more passenger volume than the 8 Series (87 vs. 81).

Servicing Ease

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J.D. Power and Associates surveys of service recipients show that Mercedes service is better than BMW. J.D. Power ranks Mercedes fifth in service department satisfaction. With a 23% lower rating, BMW is ranked 11th.

Ergonomics

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The E-Class Cabriolet’s standard power windows have a locking feature to keep children in the rear seat from operating them, but the driver can still raise and lower all of them with the lock engaged. BMW does not offer a locking feature on the 8 Series’ power windows.

In case of a sudden change of weather, the E-Class Cabriolet has a standard remote convertible top that can be raised from a distance to protect the interior of the vehicle from damage. The 8 Series doesn’t offer a remote top, so the driver will have to run to the car, get in, turn the ignition on and raise the top to prevent the interior from being damaged.

Heated windshield washer fluid is standard on the E-Class Cabriolet to defrost the washer nozzles and quickly clear ice and frost from the windshield without scraping. The 8 Series doesn’t offer heated windshield washer fluid.

To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the E-Class Cabriolet has standard extendable sun visors. The 8 Series doesn’t offer extendable visors.

Model Availability

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The Mercedes E-Class comes in coupe, convertible, sedan and station wagon bodystyles; the BMW 8 Series isn’t available as a station wagon.

Economic Advantages

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Insurance will cost less for the E-Class Cabriolet owner. The Complete Car Cost Guide estimates that insurance for the E-Class Cabriolet will cost $-12230 less than the 8 Series over a five-year period.

IntelliChoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the Mercedes E-Class Cabriolet will be $41487 to $44078 less than for the BMW 8 Series.

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 2019/11/21

The E 450/E 53 was chosen as one of Car and Driver’s “Top Ten” for 2 of the last 2 years. The 8 Series has never been a Car and Driver “Top Ten” pick.

The Mercedes E-Class outsold the BMW 8 Series by over eighteen to one during the 2019 model year.

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