More from Robb ReportThe 987 HP Audi Nuvolari Supercar Is the Marque's Most Powerful Production Model YetClark Gable's 1935 Custom Duesenberg Could Fetch $8 Million at Auction$570 Billion Worth of Collectible Cars Are About Be Passed From One Generation to the NextBest of Robb ReportThe 2024 Chevy C8 Corvette: Everything We Know About the Powerful Mid-Engine BeastThe World's Best Superyacht ShipyardsThe ABCs of Chartering a YachtAdvertisementAdvertisementSign up for RobbReports's Newsletter. For the latest news, follow us on Facebook, Twitter, and Instagram.Click here to read the full article.The first car in Audi's C Series, the Audi 100 is one of the most important vehicles in the marque's history.This two-door sedan has an elegance which perhaps wasn't appreciated at the time, and we just don't see cars of this configuration any more.The first Audi Quattro was wildly different to anything that had come before, using the quattro system that still underpins current Audis, including the Nuvolari, and its design clearly communicated that.AdvertisementAdvertisementCollectors are already wise to the appeal of every Quattro variant, from this first one to the crazy Sport Quattro road-going rally cars.The RS2 was the first RS-badged performance Audi, and its first high-performance station wagon. As such, it's the forefather of many of the marque's greatest models.The seminal Audi RS2 of 1994 represents another theme which runs through Audi design and is reflected in Massimo Frascella's latest cars: restraint.The original TT coupe and roadster were produced in large numbers. Their ubiquity probably blinded us to their significance, but they're getting rarer these days and are more sparingly used, and a good one is really impressive to behold.AdvertisementAdvertisementThe design of the Audi TT remains the dominant reason for buying one, and for now at least, even collector-grade TTs remain amazingly affordable given their significance.Audi's first mid-engined supercar, the R8 was a home run in both design and dynamics.It's fascinating to drive an original R8 today. It has modern supercar proportions and performance: even in an era of 1,000 hp supercars, it still feels wildly fast.The all-electric Audi Concept C.AdvertisementAdvertisementThe newly debuted Audi Nuvolari supercar.