NASCAR Horsepower Increase: 670 to 750 for 2026 Cup Season at Key Tracks! (2025)

NASCAR is turning up the power dial for 2026, and fans are buzzing! Next season, select Cup Series races will see a significant horsepower boost, a move confirmed by NASCAR President Steve O’Donnell during the popular “Dale Jr. Download” podcast. But here’s where it gets controversial: this increase in engine power will be limited to specific types of tracks, sparking debates about fairness and racing dynamics.

Starting in 2026, Cup teams will enjoy an increase in engine output from 670 to 750 horsepower—but only on oval tracks shorter than 1.5 miles and on all road courses. This means the intensity is about to ramp up at the following venues:

  • Bowman Gray Stadium
  • Circuit of the Americas
  • Phoenix Raceway
  • Darlington Raceway
  • Martinsville Speedway
  • Bristol Motor Speedway
  • Watkins Glen International
  • Dover Motor Speedway
  • Nashville Superspeedway
  • San Diego Street Course
  • Sonoma Raceway
  • North Wilkesboro Speedway
  • Iowa Speedway
  • Richmond Raceway
  • New Hampshire Motor Speedway
  • World Wide Technology Raceway
  • Charlotte Motor Speedway Road Course

These tracks will account for 21 of the 38 races next year, including 36 points-paying events and two exhibition races. That’s more than half of the season’s slate, promising more thrilling and powerful competition where it matters most.

John Probst, NASCAR’s executive vice president and chief racing development officer, emphasized the crucial role fan and participant feedback plays in decisions like this. "We actively listen to our fans, drivers, broadcast partners, manufacturers, and teams because their insights shape what we do," Probst shared in a recent NASCAR statement. "Our community’s passion and honest opinions guide our process, even when changes are still under wraps."

This change is more than just a technical adjustment: it’s a strategic gamble that could transform racing styles, vehicle setups, and even outcomes. Yet, it also raises questions—will the horsepower increase level the playing field or create new disparities? Could it favor certain teams or drivers over others? And how will it affect race strategy and safety?

And this is the part most people miss—the balance NASCAR strives for is delicate. While power boosts can increase excitement, they must also maintain fairness and protect the drivers. The ongoing dialogue with all stakeholders reflects NASCAR’s attempt to hit that sweet spot.

What do you think? Is upping the horsepower a thrilling move that will elevate the sport, or does it risk upsetting competitive harmony? Share your thoughts in the comments—does this decision rev your engine or give you pause?

NASCAR Horsepower Increase: 670 to 750 for 2026 Cup Season at Key Tracks! (2025)
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