Corvette Z06 Wins Back-To-Back GTD PRO Titles At Petit Le Mans
Chevrolet just defended its GTD PRO manufacturer championship, and this time it wasn’t close in the only stat that matters: consistency. The No. 74 DragonSpeed Corvette Z06 GT3.R of Giacomo Altoé, Casper Stevenson, and Sebastien Bourdais crossed the line sixth in class at Saturday’s Petit Le Mans, a finish that looks modest on paper but locked up the title at Michelin Raceway Road Atlanta on October 3.
That’s the whole point of GTD PRO. It’s IMSA’s most production-based GT class, built around cars that have to stay close to what’s sitting on a dealer lot. A sixth-place finish clinching a championship isn’t a fluke result, it’s a point total built across a full season, and it’s Chevrolet’s second straight manufacturer title with the mid-engine Z06 GT3.R. The flat-plane-crank LT6 and the chassis work underneath it aren’t just marketing copy anymore.
A Championship Built On More Than One Good Weekend
Corvette Racing didn’t just win the race it needed to win. The team’s two Pratt Miller Motorsports-run Corvettes backed up the championship-clinching car with eighth- and twelfth-place class finishes in the same race, giving Chevrolet three cars inside the GTD PRO points on a single weekend. That kind of depth across a 10-hour enduro is what separates a championship program from a team that got hot at the right moment.
Mark Reuss, President of General Motors, framed the win as validation of the engineering pipeline rather than a standalone trophy. “Winning the GTD PRO manufacturer championship for the second consecutive season is a testament to the expertise, preparation and execution of our drivers, engineers and crews,” Reuss said. “This championship strengthens the connection between Corvette Racing and the Corvettes our customers drive every day.”
Six Titles Since 2014, And Counting
This wasn’t a one-off. Saturday marked Chevrolet’s 16th GT-class manufacturer championship since Corvette Racing’s program began in 1999, and its sixth GTD PRO or GTLM manufacturer title since 2014, more than any other automotive make has managed in that stretch. It’s also the fourth manufacturer championship earned specifically with the eighth-generation, mid-engine Corvette platform, the same basic architecture underpinning the Z06 you can order from a Chevy dealer right now.
That matters because GTD PRO cars are built around production homologation rules. The GT3.R racer shares its fundamental layout, and much of its philosophy, with the road-going Z06: a naturally aspirated, flat-plane-crank V8 mounted behind the cockpit, paired with a chassis tuned for track work rather than straight-line bragging rights. When that combination wins races and championships year after year, it’s a harder case to dismiss as coincidence.
Why This Matters For Z06 Buyers
The street Z06 isn’t a watered-down homage to the race car. Its 5.5-liter LT6 V8 is naturally aspirated, revs to an 8,600 rpm redline, and is billed as the most powerful naturally aspirated V8 ever fitted to a production car. That’s the same core engine architecture Corvette Racing has now taken to back-to-back manufacturer titles in a class specifically designed to keep race cars honest to their showroom counterparts.
Chevrolet isn’t done chasing this. The GTD PRO title defense continues at the 2027 Rolex 24 At Daytona on January 30-31, where Corvette Racing will start its bid for a third consecutive championship. For anyone cross-shopping a Z06 against a flat-crank Ferrari or a twin-turbo McLaren, that track record is the kind of credibility that doesn’t show up on a spec sheet.
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