2019 Alfa Romeo 4C vs. 2019 Mercedes SLC

Detailed Review, Specifications & Comparison

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Safety

Both the 4C and the SLC 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, daytime running lights and rearview cameras.

Fuel Economy and Range

On the EPA test cycle the 4C gets better fuel mileage than the SLC 300 (24 city/34 hwy vs. 23 city/32 hwy). The 4C gets better fuel mileage than the AMG SLC 43 (24 city/34 hwy vs. 20 city/29 hwy).

The 4C has a standard cap-less fueling system. The fuel filler is automatically opened when the fuel nozzle is inserted and automatically closed when it’s removed. This eliminates the need to unscrew and replace the cap and it reduces fuel evaporation, which causes pollution. The SLC doesn’t offer a cap-less fueling system.

Transmission

The 4C 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 SLC doesn’t offer an SMG or a conventional manual transmission.

The 4C’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 SLC doesn’t offer launch control.

Brakes and Stopping

The 4C’s standard front and rear disc brakes are vented to help dissipate heat for shorter stops with less fading. The rear discs standard on the SLC 300 are solid, not vented.

Tires and Wheels

For better ride, handling and brake cooling the 4C has standard 18-inch rear wheels. Smaller 17-inch wheels are standard on the SLC 300. The 4C’s optional 19-inch rear wheels are larger than the 18-inch wheels optional on the SLC.

Suspension and Handling

For better handling and stability, the track (width between the wheels) on the 4C is 3.5 inches wider in the front and 1.4 inches wider in the rear than the average track on the SLC.

Chassis

The Alfa Romeo 4C may be more efficient, handle and accelerate better because it weighs about 800 to 1050 pounds less than the Mercedes SLC.

The 4C is 5.8 inches shorter than the SLC, making the 4C easier to handle, maneuver and park in tight spaces.

Recommendations

The 4C was chosen as one of Automobile Magazine’s “All Stars” in 2015. The SLC has never been an “All Star.”

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

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