Audi A6 vs Mazda MAZDA3

The 2026 Mazda MAZDA3 exhibited a distinctive design that aligned with Mazda's signature style, reminiscent of models like the Miata and CX-5. Its exterior featured a prominent polygonal grille with a metallic frame that seamlessly integrated with the narrow headlights, creating a refined and substantial front appearance. The side profile was marked by gracefully sculpted panels and a metallic strip tracing the window shape, contributing to a sporty look. The rear end maintained a harmonious design, avoiding flashy elements, and the hatchback version offered a more muscular stance. Inside, the cabin rivaled entry-level luxury vehicles with a tastefully designed dashboard, traditional analog-style gauges, and high-quality materials. The use of soft-touch surfaces and genuine stitching added an upscale feel, although the top door panel section resembled vinyl more than simulated leather. The Carbon Edition model featured red leather upholstery, enhancing its sporty appeal.

The 2026 Audi A6, while not visually striking, maintained a handsome appearance with its trademark "singleframe" grille positioned lower and further out. The design included fender flares inspired by the Quattro rally car and a pronounced rib along the sides, though these details were subtle. The A6's lighting featured a pixelated LED effect with programmable signatures, and the taillights were repositioned to accommodate programmable lights for different icons. The A6 was available in Premium, Premium Plus, and Prestige trims, with the S Line Black Optic Package adding sportier elements. The interior offered an Audi Exclusive Design Package with two-tone Nappa leather seats, but the materials felt disappointingly bland and cheap in top-spec models. Despite these shortcomings, the A6 maintained a subdued elegance compared to competitors like the Cadillac CT5 and BMW 5 Series.

The 2026 Mazda MAZDA3 offered two drivetrain options. The 2.5 S Carbon Edition trim featured a 2.5-liter four-cylinder engine producing 191 horsepower and 186 pound-feet of torque, shared with other trims like the 2.5 S, 2.5 S Select Sport, and 2.5 S Preferred. A six-speed automatic transmission was standard for the sedan, while the hatchback offered a six-speed manual. Most models were front-wheel-drive, but all-wheel-drive was standard on the Carbon Edition and 2.5 Turbo Premium Plus. The Turbo model increased output to 227 hp and 310 lb-ft of torque on regular fuel, with premium fuel boosting it to 250 hp and 320 lb-ft. The base engine provided adequate power, with a 0-60 mph time of around 8.5 seconds, while the Turbo powertrain achieved it in 6.5 seconds. The i-Activ AWD system enhanced traction and handling, making the Mazda 3 a sporty choice with a comfortable ride.

The 2026 Audi A6 featured a turbocharged 3.0-liter V6 engine, producing 362 horsepower and 406 pound-feet of torque, paired with a seven-speed dual-clutch transmission and standard quattro all-wheel drive. This engine, shared with the S5 sedan, offered 27 hp and 37 lb-ft more than the previous A6's powertrain options. The A6 achieved a 0-60 mph time of 4.5 seconds, outperforming base models of the BMW 5 Series and Mercedes E-Class. The transmission exhibited hesitation under heavy throttle, but shifts were smooth at speed. The A6's handling was enhanced by brake-based torque vectoring and an optional Sport Plus Package with a sport rear differential. The package also included a steel-spring suspension for sportier handling, though it compromised ride quality. Rear-axle steering improved maneuverability, and the progressive steering rack provided stability at higher speeds. Despite its sporty features, the A6 was better suited for highway driving than aggressive cornering.

The 2026 Mazda MAZDA3 excelled in style and performance but fell short in practicality. The front seats offered ample space for taller occupants, but the rear seats were cramped, especially for adults. The hatchback's thicker rear roof pillars created blind spots, and the limited rear space posed challenges for child safety seats. The sedan's trunk provided 13.2 cubic feet of cargo space, with remote seatback releases and a nearly flat load floor. The hatchback offered more versatility with 20.1 cubic feet of space, expanding into the passenger area for larger items. Personal-item storage was limited, with moderately sized cupholders, door pockets, and a center armrest bin.

The 2026 Audi A6, while 2.4 inches longer than its predecessor, maintained the same wheelbase, resulting in no significant increase in passenger space. The front-seat headroom improved due to the panoramic glass roof, but rear-seat headroom and legroom remained unchanged. The A6 offered comparable space to the BMW 5 Series, with rear-seat climate controls and USB-C ports. Heated rear seats were standard on higher trims, and the optional sport seats featured massagers. The A6 retained a conventional trunk with 40/20/40 split-folding rear seats, providing 13.5 cubic feet of cargo space, slightly more than competitors like the CT5 and E-Class but less than the 5 Series.

The 2026 Mazda MAZDA3 lagged in technology, with a standard 8.8-inch infotainment display positioned atop the dashboard. It wasn't a touchscreen, relying on a dial controller on the center console. Higher trims featured a 10.25-inch touchscreen with touch input for Apple CarPlay and Android Auto, both wireless, along with a wireless charging pad. The infotainment system was user-friendly, with intuitive menus and quick reactions, but lacked advanced features. The standard eight-speaker Bose audio system was underwhelming, with a hollow sound and lacking bass and clarity. A 12-speaker Bose system was available on the top trim. Mazda Connect allowed remote monitoring and control via a smartphone app, with Alexa Built-in for limited voice control.

The 2026 Audi A6 introduced the Digital Stage setup with an 11.9-inch digital instrument cluster and a 14.5-inch touchscreen. An optional 10.9-inch front-passenger touchscreen addressed the main screen's driver-oriented tilt. The MMI infotainment system had oversimplified layouts, making it challenging to interpret. Improved voice recognition and standard wireless Apple CarPlay and Android Auto helped, but the instrument cluster's small text was difficult to read. Audi planned a mid-year interface upgrade, adding an integrated dashcam and a new steering wheel. The optional Bang & Olufsen 3D audio system featured headrest speakers for navigation directions, but audio quality was unremarkable.

The 2026 Mazda MAZDA3 received top safety ratings, with a five-star rating from the NHTSA and a "Good" score from the IIHS, earning the Top Safety Pick+ award. Standard safety features included forward collision warning, automatic emergency braking, adaptive cruise control, lane-departure warning, lane-keep assist, automatic high beams, and a driver condition monitor. The Select Sport trim added blind-spot monitoring and rear cross-traffic alert, while the top 2.5 Turbo Premium Plus model included adaptive headlights, a head-up display, lane centering, a surround-view camera system, and reverse automatic braking. The adaptive cruise control exhibited delayed reactions, causing occasional collision warnings.

The 2026 Audi A6 came standard with adaptive cruise control, forward-collision warning, automatic emergency braking, rear cross-traffic alert, blind-spot monitors, traffic-sign recognition, parking sensors, and lane-departure warning. Premium Plus and Prestige trims added park-assist, adaptive cruise assist with lane centering, and a 360-degree camera system. The lane-centering feature allowed some lane wobble, but robust driver monitoring helped prevent misuse. Crash-test ratings from the IIHS and NHTSA were unavailable at the time of writing, typical for a new model year.