2019 Mercedes AMG C 63 Coupe vs. 2019 Lexus RC F

Detailed Review, Specifications & Comparison

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Safety

Using vehicle speed sensors, smart airbags in the AMG C 63 Coupe deploy with different levels of force or don’t deploy at all to help better protect passengers of all sizes in different collisions. The AMG C 63 Coupe’s side airbags will shut off if a child is leaning against the door. The RC F’s airbags don’t have smart features and will always deploy full force.

The AMG C 63 Coupe offers an optional Surround View System to allow the driver to see objects all around the vehicle on a screen. The RC F only offers a rear monitor and front and rear parking sensors that beep or flash a light. That doesn’t help with obstacles to the sides.

Both the AMG C 63 Coupe and the RC F have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee airbags, side-impact head airbags, front and rear 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 and available lane departure warning systems.

Warranty

There are over 59 percent more Mercedes dealers than there are Lexus dealers, which makes it much easier should you ever need service under the AMG C 63 Coupe’s warranty.

Engine

The AMG C 63 Coupe’s standard 4.0 turbo V8 produces 2 more horsepower (469 vs. 467) and 90 lbs.-ft. more torque (479 vs. 389) than the RC F’s 5.0 DOHC V8. The AMG C 63 S Coupe’s standard 4.0 turbo V8 produces 36 more horsepower (503 vs. 467) and 127 lbs.-ft. more torque (516 vs. 389) than the RC F’s 5.0 DOHC V8.

Fuel Economy and Range

On the EPA test cycle the AMG C 63 Coupe gets better fuel mileage than the RC F (17 city/26 hwy vs. 16 city/25 hwy).

In heavy traffic or at stoplights the AMG C 63 Coupe’s engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. The engine is automatically restarted when the driver gets ready to move again. (Start/Stop isn’t accounted in present EPA fuel mileage tests.) The RC F doesn’t offer an automatic engine start/stop system.

Transmission

A nine-speed automatic (SMG) is standard on the Mercedes AMG C 63 Coupe, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the RC F.

The AMG C 63 Coupe offers a standard sequential manual gearbox (SMG). With no clutch pedal to worry about and a fully automatic mode, an SMG is much more efficient than a conventional automatic but just as easy to drive. The RC F doesn’t offer an SMG or a conventional manual transmission.

The AMG C 63 Coupe’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 RC F doesn’t offer launch control.

Brakes and Stopping

For better stopping power the AMG C 63 S Coupe’s brake rotors are larger than those on the RC F:

 

AMG C 63 S Coupe

RC F

Front Rotors

15.8 inches

14.9 inches

Rear Rotors

14.2 inches

13.5 inches

The AMG C 63 Coupe S offers optional heat-treated ceramic brake rotors, which last ten to twenty times as long as conventional cast iron rotors, don’t rust, don’t fade during repeated high speed braking, and their lighter weight contribute to better braking, handling and acceleration. The RC F doesn’t offer ceramic brake rotors.

The AMG C 63 Coupe stops shorter than the RC F:

 

AMG C 63 Coupe

RC F

 

70 to 0 MPH

151 feet

154 feet

Car and Driver

Tires and Wheels

The AMG C 63 S Coupe’s optional 285/30R20 rear tires provide better handling because they have a lower 30 series profile (height to width ratio) that provides a stiffer sidewall than the RC F’s 35 series tires.

For better ride, handling and brake cooling the AMG C 63 S Coupe offers optional 20-inch rear wheels. The RC F’s largest wheels are only 19-inches.

Suspension and Handling

The AMG C 63 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 RC F doesn’t offer drift compensation steering.

For a smoother ride and more stable handling, the AMG C 63 Coupe’s wheelbase is 4.3 inches longer than on the RC F (111.8 inches vs. 107.5 inches).

For better handling and stability, the track (width between the wheels) on the AMG C 63 Coupe is 3.2 inches wider in the front and 1.3 inches wider in the rear than on the RC F.

The AMG C 63 S Coupe handles at .98 G’s, while the RC F pulls only .95 G’s of cornering force in a Car and Driver skidpad test.

Passenger Space

The AMG C 63 Coupe has 1 inch more front headroom, 4.1 inches more front shoulder room, .6 inches more rear headroom, 4.7 inches more rear legroom and 5.6 inches more rear shoulder room than the RC F.

Cargo Capacity

The AMG C 63 Coupe has a larger trunk than the RC F (10.5 vs. 10.1 cubic feet).

The AMG C 63 Coupe’s standard rear seats fold to accommodate long and bulky cargo. The RC F doesn’t offer folding rear seats, only a ski pass-through.

To make loading and unloading groceries and cargo easier when your hands are full, the AMG C 63 Coupe’s power trunk can be opened or closed just by kicking your foot under the back bumper, leaving your hands completely free. The RC F doesn’t offer a power or hands-free opening trunk.

Ergonomics

The AMG C 63 Coupe’s standard easy entry system raises the steering wheel and glides the driver’s seat back, making it easier for the driver to get in and out. An easy entry system costs extra on the RC F.

The AMG C 63 Coupe offers an optional heads-up display that projects speed and other key instrumentation readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The RC F doesn’t offer a heads-up display.

The AMG C 63 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 RC F’s standard manually variable intermittent wipers have to be constantly adjusted.

To help drivers see further while navigating curves, the AMG C 63 Coupe offers optional adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle. The RC F doesn’t offer cornering lights.

The AMG C 63 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 RC F doesn’t offer an automated parking system.

Model Availability

The Mercedes AMG C 63 comes in coupe, convertible and sedan bodystyles; the Lexus RC F isn’t available as a convertible or sedan.

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

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