The Audi A6 nameplate dates to 1994, when Audi renamed the long-running Audi 100 successor line and introduced the A6 as its new full-size executive model. In Audi’s own history, the A6 arrived in the summer of 1994 as the successor to the Audi 100, marking a major shift in the brand’s model naming strategy and continuing the C-series lineage that had started with the Audi 100 in 1968. The A6 quickly became one of Audi’s core business-class cars, positioned above the A4 and below the flagship A8.
Although the name changed in 1994, the A6 is best understood as the continuation of the Audi 100 family rather than a separate clean-sheet model. Its early generations carried forward the reputation of the Audi 100 for engineering, long-distance comfort, and understated premium positioning, while Audi used the model to showcase advances such as improved aerodynamics, galvanized body construction, and increasingly sophisticated drivetrains.
Over time, the A6 evolved through multiple generations and body styles, most notably the sedan and Avant wagon, and later spawned important variants such as the Allroad and performance-oriented S and RS versions. The model became especially significant in Audi’s lineup because it balanced executive-car refinement with the brand’s technical identity, including quattro all-wheel drive availability on many versions.
Audi’s current A6 continues the same lineage, and the company describes the 2025 model as part of the ninth generation of the C-series family. Because the A6 remains in production, there is no final model year to record. The nameplate has therefore become one of Audi’s most enduring modern model lines, spanning the brand’s transition from the Audi 100 era into the present-day A6 family.