What's the Difference: Mercedes-Benz A-Class vs Audi A3


Mercedes-Benz A-Class vs Audi A3

Compact luxury sport sedans like the Mercedes-Benz A-Class and Audi A3 are a blast to drive and offer high levels of luxury, technology, and safety equipment.

Thanks to four doors and a rear seat with a good amount of headroom and legroom, the A-Class can do everything from taking you and three friends to a Bears game or packing up for a road trip to Rock Cut State Park. Popular models include the A 220 and the all-wheel drive A 220 4MATIC® which makes poor weather driving easy and adds extra cornering grip to the mix. Coupe-like style makes the A-Class stand out on the road, especially when equipped with AMG® details.

Mercedes-Benz is discontinuing the A-class after the 2022 model year, but there are plenty of Certified Pre-Owned models on the automotive market.

Audi's A3 offers a similar compact four-door design and front-wheel drive as standard, but an optional quattro® all-wheel drive drivetrain is available. Styling features Audi's signature sportback design, and there are plenty of sporty details throughout that make the A3 an attractive sedan.

Mercedes-Benz A-Class vs Audi A3

Features Mercedes-Benz A-Class Audi A3
Fuel Economy 24 MPG City - 35 MPG Highway 28 MPG City - 38 MPG Highway
  • 2.0L inline-4 turbo
  • 2.0 L 4-cylinder
Drivetrain FWD or AWD FWD or AWD
Seating Capacity 5 5
Cargo Capacity 8.6 cu ft 10.9 cu ft

What's the Difference: Mercedes-Benz A-Class vs Audi A3

Reliability and Quality

The Mercedes-Benz A-Class is an extremely high-quality and reliable compact luxury sedan.that J.D. Power rates 82/100 which bests the 77/100 rating for the Audi A3.

Inside, you'll find premium materials at every touch point and features like power front seats with three-position memory, optional sport seats, a leather-wrapped steering wheel, keyless entry and start, dual-zone automatic climate control, and much more. Audi also offers a high-quality interior with premium materials, such as standard leather upholstery, eight-way power heated front seats, a large panoramic sunroof, tri-zone automatic climate control, and push-button start.

Performance and Efficiency

Under the hood of the sporty Mercedes A-Class, you'll find a 188-horsepower turbocharged 2.0-liter four-cylinder engine that offers fuel efficiency ratings of 24 city / 35 highway MPG*. Instead of a traditional automatic transmission, the A-Class opts for a 7-speed dual-clutch gearbox that provides lightning-fast shifts. Thanks to a fully-independent suspension and features like Direct-Steer and DYNAMIC SELECT, the A-class moves down the road with authority and offers a spirited driving demeanor.

Audi's A3 is no slouch and offers a 201-horsepower turbo, TFSI engine, and a 7-speed S tronic® transmission with manual mode. Fuel economy is an impressive 28 city / 38 highway MPG* and Audi Drive Select takes full advantage of the A3's sport-focused, fully-independent suspension to offer driving thrills.

Safety and Driving Assistance

A core tenet of the Mercedes-Benz experience is safety in a variety of conditions, and the A-class delivers on this promise.

In addition to multiple standard airbags and brake assist, the A-Class offers several technology-driven safety features such as Surround View System for easy parking, ATTENTION ASSIST® that vibrates the driver seat if you aren't paying attention, Crosswind Assist, Speed Limit Assist, and Blind Spot Assist.

Audi also offers plenty of safety equipment with features like side assist with rear cross-traffic assist, lane keeping assist, adaptive cruise control with lane guidance, Audi pre sense® front, and a clever lane departure warning system.

Infotainment and Technology

Mercedes-Benz offers a compelling blend of technology in the A-Class. A seven-inch Mercedes-Benz User Experience (MBUX) infotainment system is front and center and has voice Control with Natural Language Understanding and a touchpad controller for easy navigation. Apple CarPlay® and Android Auto™ are standard. Options include augmented video for navigation, a 10.25-inch digital instrument cluster display, and an auto-dimming rear-view mirror.

In the A3, drivers will be treated to a 10.1-inch touchscreen with optional Virtual Cockpit Plus which allows drivers to fully customize the gauge display. Audi connect® works with the MMI® touch display to make everything from navigation to placing a phone call extremely easy.

Shop Mercedes-Benz A-Class Near Westmont, IL

Finding the Mercedes-Benz of your dreams is what Mercedes-Benz of Westmont does best. We help Mercedes-Benz enthusiasts near Chicago, Naperville, and Downers Grove with everything from finding new vehicles like the A-Class or C-Class to the best selection of pre-owned Mercedes-Benz vehicles in the Westmont area. If you are looking for a particular model or options package, we can find it.

Once you test drive the A-Class, our in-house finance center will work with you to find a lease or loan that fits your budget. We also happily accept trade-ins from luxury brands like BMW or Lexus and non-luxury brands like Hyundai or Volkswagen. Our team makes it easy to get into the Mercedes-Benz of your dreams.

Once you are part of the Mercedes-Benz of Westmont family, our advanced service center can help with everything from routine maintenance to complex repairs. Our team is here to make your dream of owning a Mercedes-Benz a reality.

*Preliminary EPA-estimated figures are for comparison purposes only. Your actual mileage will vary depending on speed, driving habits, trip length and driving conditions; actual mileage may be lower. Note for MPGe: All data are provisional and subject to official confirmation. The provisional power consumption figures have been calculated based on the ECE test cycle.