2019 Mercedes E-Class Coupe vs. 2019 BMW 4 Series Coupe

Detailed Review, Specifications & Comparison

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Safety

For enhanced safety, the front and rear seat shoulder belts of the Mercedes E-Class Coupe have pretensioners to tighten the seatbelts and eliminate dangerous slack in the event of a collision. The BMW 4 Series Coupe doesn’t offer pretensioners for the rear seat belts.

The E-Class Coupe’s pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The 4 Series Coupe doesn’t offer pre-crash pretensioners.

For enhanced safety, the front seat shoulder belts of the Mercedes E-Class Coupe are height-adjustable to accommodate a wide variety of driver and passenger heights. A better fit can prevent injuries and the increased comfort also encourages passengers to buckle up. The BMW 4 Series Coupe doesn’t offer height-adjustable seat belts.

To help make backing safer, the E-Class Coupe’s optional cross-path warning system uses wide-angle radar in the rear bumper to alert the driver to vehicles approaching from the side, helping the driver avoid collisions. The 4 Series Coupe doesn’t offer a cross-path warning system.

The E-Class Coupe’s 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 4 Series Coupe doesn’t offer a driver alert monitor.

Both the E-Class Coupe and the 4 Series Coupe 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, daytime running lights, rearview cameras, available all wheel drive, lane departure warning systems, blind spot warning systems and around view monitors.

Warranty

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 Coupe’s warranty.

Engine

The E 450 Coupe’s standard 3.0 turbo V6 produces 114 more horsepower (362 vs. 248) and 111 lbs.-ft. more torque (369 vs. 258) than the 430i Coupe’s standard 2.0 turbo 4 cyl. The E 450 Coupe’s 3.0 turbo V6 produces 40 more horsepower (362 vs. 322) and 37 lbs.-ft. more torque (369 vs. 332) than the 440i Coupe’s standard 3.0 turbo 6 cyl. The AMG E 53 Coupe’s standard 3.0 turbo 6 cyl. hybrid produces 107 more horsepower (429 vs. 322) and 52 lbs.-ft. more torque (384 vs. 332) than the 440i Coupe’s standard 3.0 turbo 6 cyl.

Fuel Economy and Range

The E-Class Coupe has 1.6 gallons more fuel capacity than the 4 Series Coupe (17.4 vs. 15.8 gallons), for longer range between fill-ups.

Transmission

A nine-speed automatic is standard on the Mercedes E-Class Coupe, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the 4 Series Coupe.

Brakes and Stopping

For better stopping power the E-Class Coupe’s brake rotors are larger than those on the 4 Series Coupe:

 

E 450

AMG E 53

430i

440i

Front Rotors

14.2 inches

14.6 inches

13 inches

13.4 inches

Rear Rotors

14.2 inches

14.2 inches

11.8 inches

13 inches

The E-Class Coupe stops much shorter than the 4 Series Coupe:

 

E-Class

4 Series

 

70 to 0 MPH

156 feet

170 feet

Car and Driver

Tires and Wheels

For better traction, the E-Class Coupe has larger standard tires than the 4 Series Coupe (245/45R18 vs. 225/45R18). The E-Class Coupe’s tires are larger than the largest tires available on the 4 Series Coupe (F:245/45R18 & R:275/40R18 vs. F:225/40R19 & R:255/35R19).

Suspension and Handling

The E-Class Coupe 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 Coupe’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 4 Series Coupe doesn’t offer a load leveling suspension.

The E-Class Coupe’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 4 Series Coupe doesn’t offer drift compensation steering.

For a smoother ride and more stable handling, the E-Class Coupe’s wheelbase is 2.5 inches longer than on the 4 Series Coupe (113.1 inches vs. 110.6 inches).

For better handling and stability, the track (width between the wheels) on the E-Class Coupe is 2.3 inches wider in the front and .7 inches wider in the rear than on the 4 Series Coupe.

The E 450 Coupe 4MATIC handles at .90 G’s, while the 430i Coupe pulls only .89 G’s of cornering force in a Car and Driver skidpad test.

Passenger Space

The E-Class Coupe has standard seating for 5 passengers; the 4 Series Coupe can only carry 4.

The E-Class Coupe has 1.1 inches more front headroom, .8 inches more front shoulder room, .3 inches more rear headroom and .4 inches more rear legroom than the 4 Series Coupe.

Cargo Capacity

To make loading and unloading groceries and cargo easier, especially for short adults, the E-Class Coupe offers an optional power trunk, which opens and closes automatically by pressing a button or just by kicking your foot under the back bumper, completely leaving your hands free. The 4 Series Coupe doesn’t offer a power trunk, so its trunk has to be closed manually.

Servicing Ease

J.D. Power and Associates surveys of service recipients show that Mercedes service is better than BMW. J.D. Power ranks Mercedes 6th in service department satisfaction (above the industry average). With a 11% lower rating, BMW is ranked 8th.

Ergonomics

The E-Class Coupe has a standard remote vehicle starting system, so the vehicle can be started from inside the driver's house. This allows the driver to comfortably warm up the engine before going out to the vehicle. The climate system will also automatically heat or cool the interior. The 4 Series Coupe doesn’t offer a remote starting system.

Unlike the driver-only memory system in the 4 Series Coupe, the E-Class Coupe 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 E-Class Coupe’s standard easy entry system raises the steering wheel, making it easier for the driver to get in and out. The 4 Series Coupe doesn’t offer an easy entry system.

The E-Class Coupe’s standard power windows have a locking feature to keep children in the rear seat from operating them. BMW does not offer a locking feature on the 4 Series Coupe’s standard power windows.

To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the E-Class Coupe has standard extendable sun visors. The 4 Series Coupe doesn’t offer extendable visors.

Optional air-conditioned seats in the E-Class Coupe keep the driver and front passenger comfortable and take the sting out of hot seats in summer. The 4 Series Coupe doesn’t offer air-conditioned seats.

The E-Class Coupe offers an optional 115-volt a/c outlet on the center console, allowing you to recharge a laptop or run small household appliances without special adapters that can break or get misplaced. The 4 Series Coupe doesn’t offer a house-current electrical outlet.

Model Availability

The Mercedes E-Class comes in coupe, convertible, sedan and station wagon bodystyles; the BMW 4 Series isn’t available as a station wagon.

Economic Advantages

According to The Car Book by Jack Gillis, the E-Class Coupe is less expensive to operate than the 4 Series Coupe because typical repairs cost less on the E-Class Coupe than the 4 Series Coupe, including $9 less for a water pump, $54 less for front brake pads, $12 less for a fuel pump and $80 less for front struts.

Recommendations

The E-Class was chosen as one of Car and Driver’s “Top Ten” in 2018. The 4 Series Coupe hasn’t been picked since 2014.

The Mercedes E-Class outsold the BMW 4 Series by 39% during the 2018 model year.

© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.

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