2019 Mercedes E-Class Coupe vs. 2018 Infiniti Q60

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 Infiniti Q60 doesn’t offer pretensioners for the rear seat belts.

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 Infiniti Q60 doesn’t offer height-adjustable seat belts.

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 Q60 doesn’t offer a driver alert monitor.

Both the E-Class Coupe and the Q60 have standard driver and passenger frontal airbags, front side-impact 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, around view monitors and rear cross-path warning.

Warranty

There are over 79 percent more Mercedes dealers than there are Infiniti dealers, which makes it much easier should you ever need service under the E-Class Coupe’s warranty.

Reliability

To reliably power the ignition and other systems and to recharge the battery, the E-Class Coupe has a standard 180-amp alternator. The Q60’s standard 150-amp alternator and largest (Red Sport 400) 170-amp alternator aren’t as powerful.

Engine

The E-Class Coupe has more powerful engines than the Q60:

 

Horsepower

Torque

E 450 Coupe 3.0 turbo V6

362 HP

369 lbs.-ft.

AMG E 53 Coupe 3.0 turbo 6 cyl. hybrid

429 HP

384 lbs.-ft.

Q60 2.0t turbo 4 cyl.

208 HP

258 lbs.-ft.

Q60 3.0t turbo V6

300 HP

295 lbs.-ft.

Q60 Red Sport 400 3.0 turbo V6

400 HP

350 lbs.-ft.

Fuel Economy and Range

On the EPA test cycle the E 450 Coupe RWD gets better fuel mileage than the Q60 Red Sport 400 RWD 3.0 twin turbo V6 (400 HP) (20 city/28 hwy vs. 20 city/27 hwy).

Regardless of its engine, the E-Class Coupe’s engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. (Start/Stop isn’t accounted in present EPA fuel mileage tests.) Infiniti only offers an automatic engine start/stop system on the Q60 2.0t.

Transmission

A nine-speed automatic is standard on the Mercedes E-Class Coupe, for better acceleration and lower engine speed on the highway. Only a seven-speed automatic is available for the Q60.

Brakes and Stopping

For better stopping power the E-Class Coupe’s brake rotors are larger than those on the Q60:

 

E 450

AMG E 53

Q60

Q60 Sport/Red Sport 400

Front Rotors

14.2 inches

14.6 inches

12.6 inches

14 inches

Rear Rotors

14.2 inches

14.2 inches

12.1 inches

13.8 inches

The E-Class Coupe stops shorter than the Q60:

 

E-Class

Q60

 

70 to 0 MPH

156 feet

164 feet

Car and Driver

60 to 0 MPH

109 feet

110 feet

Motor Trend

Suspension and Handling

The E-Class Coupe has standard front and rear gas-charged shocks for better control over choppy roads. The Q60’s suspension doesn’t offer gas-charged shocks.

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 Q60 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 Q60 doesn’t offer drift compensation steering.

For better handling and stability, the track (width between the wheels) on the E-Class Coupe is 1.9 inches wider in the front and 1.1 inches wider in the rear than the average track on the Q60.

The E 450 Coupe 4MATIC handles at .90 G’s, while the Q60 Red Sport 400 AWD pulls only .88 G’s of cornering force in a Car and Driver skidpad test.

Passenger Space

The E-Class Coupe has 3.6 cubic feet more passenger volume than the Q60 (89 vs. 85.4).

The E-Class Coupe has 3 inches more front headroom, 1.5 inches more front shoulder room, 1.9 inches more rear headroom and 1.7 inches more rear legroom than the Q60.

Cargo Capacity

The E-Class Coupe has a much larger trunk than the Q60 (10 vs. 8.7 cubic feet).

The E-Class Coupe’s standard folding rear seats are split to accommodate bulky cargo. The Q60’s standard single piece folding rear seat is not as flexible; long cargo and a passenger can’t share the rear seat.

To make loading and unloading groceries and cargo easier when your hands are full, the E-Class Coupe’s power trunk can be opened or closed just by kicking your foot under the back bumper, leaving your hands completely free. The Q60 doesn’t offer a power or hands-free opening trunk.

Servicing Ease

The E-Class Coupe has a maintenance free battery for long life without checking the battery’s water level. The Q60 doesn’t have a maintenance free battery, so the water level in the battery’s cells must be checked often to prevent damage.

Ergonomics

Unlike the driver-only memory system optional at extra cost in the Q60 (except Pure), 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 Q60 doesn’t offer an easy entry system.

The E-Class Coupe offers an optional heads-up display that projects speed and navigation instruction readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The Q60 doesn’t offer a heads-up display.

The power windows standard on both the E-Class Coupe and the Q60 have locks to prevent small children from operating them. When the lock on the E-Class Coupe is engaged the driver can still operate all of the windows, for instance to close one opened by a child. The Q60 prevents the driver from operating the other windows just as it does the other passengers.

The E-Class Coupe’s rain-sensitive wipers adjust their speed and turn on and off automatically based on the amount of rainfall on the windshield. This allows the driver to concentrate on driving without constantly adjusting the wipers. The Q60’s standard intermittent wipers change speed with vehicle speed, but can’t turn on and off or change speed based on changing rainfall.

A power rear sunshade is optional in the E-Class Coupe to help block heat and glare for the rear passengers. The Q60 doesn’t offer a rear sunshade.

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 Q60 doesn’t offer air-conditioned seats.

The E-Class Coupe has a standard center folding armrest for the rear passengers. A center armrest helps make rear passengers more comfortable. The Q60 doesn’t offer a rear seat center armrest.

Both the E-Class Coupe and the Q60 offer rear vents. For greater rear passenger comfort, the E-Class Coupe has standard rear air conditioning vents to keep rear occupants cool in summer or warm in winter. The Q60 doesn’t offer rear air conditioning vents, only heat vents.

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 Q60 doesn’t offer a house-current electrical outlet.

The E-Class Coupe’s optional Active Parking Assist can parallel park or back into a parking spot by itself, with the driver only controlling speed with the brake pedal. The Q60 doesn’t offer an automated parking system.

Model Availability

The Mercedes E-Class comes in coupe, convertible, sedan and station wagon bodystyles; the Infiniti Q60 isn’t available as a convertible, sedan or station wagon.

Economic Advantages

The E-Class Coupe will cost the buyer less in the long run because of its superior resale value. The IntelliChoice estimates that the E-Class Coupe will retain 45.37% to 46.28% of its original price after five years, while the Q60 only retains 42.74% to 44.56%.

Recommendations

The E-Class was chosen as one of Car and Driver’s “Top Ten” in 2018. The Q60 has never been a Car and Driver “Top Ten” pick.

The Mercedes E-Class outsold the Infiniti Q60 by almost five to one during the 2018 model year.

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

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