Quick Summary
 The 2026 Mercedes-Benz CLA offers a more luxurious interior and smoother ride than the Audi A3. While the Audi A3 provides solid handling and a lower starting price, the CLA wins on standard tech features and engine power for daily driving comfort.

Choosing between the 2026 Mercedes-Benz CLA vs Audi A3 means deciding what you want most from a small luxury sedan. The CLA feels more special from the moment you sit down, while the A3 focuses on simple function. You can check out our New Mercedes-Benz for sale to see the difference for yourself.

At Mercedes-Benz of Brooklyn, we make finding your perfect car easy and fun. Our team keeps a huge Mercedes-Benz inventory ready for you to explore, and we help with every question so you drive away happy and confident.

The 2026 CLA comes with a turbocharged four-cylinder engine that produces 221 horsepower for effortless highway merging. This power feels smooth and ready whether you drive across Brooklyn or head out on a long trip.

The Audi A3 uses a similar engine but only makes 201 horsepower from its base model. That difference of twenty horses means the CLA pulls away from stops with more confidence and less engine noise overall.

Step inside the CLA and you find soft materials covering the dashboard and door panels completely. The seats use comfortable padding that holds you in place during sharp turns without feeling too tight or hard.

The Audi A3 has a clean cabin layout with solid build quality that owners will like for many years. However, the A3 uses more hard plastic pieces on lower doors and the center console area that feel less special to the touch.

Mercedes-Benz gives every 2026 CLA a dual-screen display setup with a central touchscreen measuring ten point two inches. This system responds quickly to your finger taps and includes wireless Apple CarPlay and Android Auto right from the start.

Audi requires you to move up to higher trim levels just to get a larger infotainment screen in the A3. The base A3 screen measures only eight point eight inches and lacks the crisp graphics found inside the CLA every day.

The CLA provides a trunk space of eleven point six cubic feet behind the rear seats for groceries or luggage. Folding down the rear seats opens up enough room for a set of golf clubs or two carry-on suitcases easily.

The Audi A3 matches the CLA with nearly identical trunk measurements for everyday hauling needs. Both cars fit four adults without much trouble, though the CLA gives more shoulder room for passengers sitting in the back.

On the highway the CLA achieves an estimated thirty-six miles per gallon for long distance driving trips. City driving drops that number to twenty-five miles per gallon in stop and go Brooklyn traffic conditions.

The Audi A3 posts slightly better city numbers at twenty-nine miles per gallon but falls to thirty-eight on highways. These differences are small enough that most drivers will not notice a real change in their weekly fuel spending.

Mercedes-Benz tuned the CLA’s suspension to soak up broken pavement and potholes without shaking the cabin roughly. You will hear less wind noise at highway speeds because the CLA uses thicker window glass than many competitors.

The Audi A3 rides firmer than the CLA which some drivers enjoy for sporty cornering feel on back roads. However, that firmness transmits more road bumps into the steering wheel and seats during normal city driving each day.

The CLA holds its value better over five years of ownership compared to the Audi A3 according to industry data. Mercedes-Benz models typically attract buyers looking for luxury features even after several years of regular use.

Audi offers a competitive warranty package that matches Mercedes-Benz for four years or fifty thousand miles. Our service team sees both brands regularly, but CLA owners often spend less on unscheduled repairs during the first few years.

Our team at Mercedes-Benz of Brooklyn wants to put you in the driver’s seat of a new CLA this afternoon. We offer honest help with financing, a full shop for Mercedes-Benz service and parts, and a friendly face to answer every question. Stop by our showroom, because we are the Mercedes-Benz dealer in Brooklyn NY that actually cares about your happiness on the road and long after you drive away.