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2023 BMW 4 Series Coupe vs. 2023 Mercedes-Benz C-Class Coupe

BMW's 4 Series Coupe and Mercedes-Benz's C-Class Coupe encompass two standardss for stylish luxury performance, and both have been side by side as they raise the bar for each other as well as the industry overall. 

Their success and popularity are evident on the roads, as it feels like a 4 Series or C-Class is present wherever you look. And for the 2023 model year, both marques are continuing their winning formula of premium performance and heightened levels of luxury. 

Let's get more familiar with the unique offerings from the 2023 BMW 4 Series Coupe and 2023 Mercedes-Benz C-Class Coupe so you can decide which one would feel right at home in your garage.

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2023 BMW 4 Series Coupe Comparison Highlights

2023 BMW 4 Series Coupe vs. 2023 Mercedes-Benz C-Class Coupe

Proudly in its second generation, the 4 Series Coupe features unique design and engineering to help it stay at the top of the two-door performance luxury segment. Its overall dimensions are longer, wider, and lower than the popular 3 Series Sedan, allowing for a sportier look as well as exciting driving dynamics. 

2023 BMW 4 Series Coupe vs. 2023 Mercedes-Benz C-Class Coupe

Everything about the 4 Series Coupe's exterior is designed to stir up emotions, and also carries  functional aerodynamic benefits. The aero efficiency of this generation's coupe has improved significantly from a Cx of 0.29 to a Cx of 0.25 for the 430i Coupe. And helping to pierce the air is the new front end of the 4 Series, which showcases BMW's latest kidney grille design and delivers more cooling effect for the powerful engine lineup.

As any BMW fan can tell you, the 4 Series Coupe's engines are its source of true power and swagger, and a driver's limitless source of joy. You'll get quick acceleration and lots of low-end torque from the 382-horsepower 3.0-liter BMW M TwinPower Turbo inline 6-cylinder, and even more dramatic performance from the 503-horsepower variant found in the M4 Competition Coupe. 

2023 BMW 4 Series Coupe vs. 2023 Mercedes-Benz C-Class Coupe

Driving purists will be thrilled to know that the M4 Coupe is still offered with a 6-speed manual transmission for the penultimate sporting experience and connection to the car's personality. If you're serious about lap times, though, the M4 Competition Coupe pairs you with the precision of an 8-speed M STEPTRONIC automatic transmission, which utilizes a dual-clutch system for incredibly quick gear changes.

On the inside of every 4 Series Coupe, you'll find a driver-focused cockpit that emphasizes luxury as well as motorsport. All elements have been meticulously designed to not only provide comfort, but also the support needed to confidently command a spirited driving experience. The newly designed sport seats and leather sport steering wheel are standard, and additional soft knee padding on the sides of the center console are available for when you're really leaning into the turns. 

And for the 2023 model year, all 4 Series models now come standard with BMW iDrive 8 and the BMW Curved Display. This fully digital system consists of a 12.3-inch information display for the driver and a 14.9-inch control display, presented in one seamless setup. You'll also get to enjoy expanded capabilities from the BMW Intelligent Personal Assistant through natural voice commands and AI-powered learning. 

This advanced intelligence is also present in the many standard safety and assist features that are designed to provide enhanced peace of mind and improved driving capabilities. These systems include Lane Departure Warning with Steering Correction, Pedestrian Warning with Braking Function, Blind Spot Detection, Rear Cross Traffic Alert, and Rear Collision Preparation.

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2023 BMW 4 Series Coupe Specifications

Models and Trims:

  • 430i Coupe
  • 430i xDrive Coupe
  • M440i Coupe
  • M440i xDrive Coupe
  • M4 Coupe
  • M4 Competition Coupe
  • M4 Competition xDrive Coupe

Drivetrain: 

  • Rear-wheel drive
  • xDrive all-wheel drive

Engines:

  • 2.0-liter BMW TwinPower Turbo inline 4-cylinder; 255 hp
  • 3.0-liter BMW M TwinPower Turbo inline 6-cylinder; 382 hp
  • 3.0-liter BMW M TwinPower Turbo inline 6-cylinder; 473 hp
  • 3.0-liter BMW M TwinPower Turbo inline 6-cylinder; 503 hp

Transmissions:

  • 8-speed M STEPTRONIC automatic transmission
  • 8-speed Sport automatic transmission
  • 6-speed manual transmission

Safety: 

  • BMW 4 Series Advanced Driver Assistance Systems

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2023 Mercedes-Benz C-Class Coupe Comparison Highlights

The timeless Mercedes-Benz C-Class Coupe takes a sportier form for its latest generation, and features sharper design elements along with more powerful engines. 

Most notably, the front and tail end showcase more athletic lines that enhance both appeal and aerodynamic performance. For example, the front airways effectively channel turbulent air around the vehicle, while the trunk features a molded lip spoiler for enhanced downforce.

2023 BMW 4 Series Coupe vs. 2023 Mercedes-Benz C-Class Coupe

For the 2023 model year, the C-Class Coupe offers a wide range of performance options, from the efficient 2.0-liter inline-4 turbo to the 503-horsepower handcrafted AMG 4.0-liter V8 biturbo engine found in the AMG C 63 S Coupe. And it's not just about raw power as all of the engines feature innovations that maximize gas mileage, like twin-scroll turbochargers, direct fuel injection, CAMTRONIC valve adjustment, and other advanced technologies. 

Driving precision and agility come by way of a sport-tuned and lowered 4-wheel multilink suspension architecture that gives the C-Class Coupe subtle attitude as well as enhanced responsiveness. Plus, the selective damping system automatically increases firmness when cornering to mitigate body roll, and returns to a refined state to absorb as much roughness from the road as possible.

Available 4MATIC all-wheel drive delivers even more traction and stability during demanding scenarios. This intelligent system monitors a variety of vehicle and road conditions, and then reacts by sending power to the appropriate wheels. You'll have more confidence in the winter, on wet roads, or simply more fun when it's dry. 

Knowing Mercedes-Benz's long history in the luxury segment, it shouldn't come as a surprise that the cabin area is an oasis of comfort and advanced technologies. A standard panorama roof, 64 colors of ambient lighting, and the best materials work together to enhance your mood and offer a peaceful environment. Infotainment is handled by a "floating" 10.25-inch central screen which features Apple CarPlay and Android Auto integration, and you can operate the interface with touch-sensitive controls on the steering wheel and center console, or use natural voice commands.

And if you like the idea of things being effortless, the available COMAND Navigation includes a Concierge service subscription that connects you with a personal assistant to help with requests like restaurant reservations, tips about tourist routes, and cultural or sporting events near you. The Concierge can even send navigation destinations directly to the C-Class Coupe. 

The concept of always having extra support is also evident in the C-Class Coupe's advanced driving assistance systems, which are on par with the flagship S-Class Sedan. The C-Class Coupe can drive semi-autonomously in appropriate scenarios, and also features many predictive and proactive capabilities like Active Lane Change Assist, Active Emergency Stop Assist, and Active Steering Assist. 

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2023 Mercedes-Benz C-Class Coupe Specifications

Models and Trims:

  • C 300 Coupe
  • C 300 4MATIC Coupe
  • AMG C 43 Coupe
  • AMG C 63 S Coupe

Drivetrain: 

  • Rear-wheel drive
  • 4MATIC all-wheel drive
  • AMG Performance 4MATIC all-wheel drive

Engines:

  • 2.0-liter Inline-4 turbo; 255 hp
  • AMG-enhanced 3.0-liter V6 biturbo; 385 hp
  • Handcrafted AMG 4.0-liter V8 biturbo; 503 hp

Transmissions:

  • 9G-TRONIC 9-speed automatic transmission
  • AMG SPEEDSHIFT TCT 9-speed transmission
  • AMG SPEEDSHIFT MCT 9-speed transmission

Safety: 

  • Mercedes-Benz Driving Assistance Systems

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Choosing Between the BMW 4 Series Coupe and Mercedes-Benz C-Class Coupe

2023 BMW 4 Series Coupe vs. 2023 Mercedes-Benz C-Class Coupe

It's a tough choice between two proven greats like the BMW 4 Series Coupe and the Mercedes-Benz C-Class Coupe. Both offer big power, all-wheel drive, tons of style, and the best in modern technology. 

If your desire leans toward having the most fun possible, the 4 Series Coupe emphasizes a bit more of motorsport-inspired performance dynamics, and is the only one to offer a 6-speed manual transmission. The C-Class Coupe, while also capable of thrilling drives, layers on the enjoyment by pampering its passengers with unmatched comfort and modern conveniences. It's two sides of the same coin, really, and you're at the center of it all. 

Learn what style of luxury and fun best suits you by taking both of these trend-setting vehicles for a test drive at your local AutoNation-affiliated BMW and Mercedes-Benz dealerships.

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Andrew Chen | April 14, 2023

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