21st Century Car Show June 6th, 2020
Images from the 3rd annual 21st Century Car Show held on Cortez St. next to the Courthouse Square in downtown Prescott, AZ.
Hours of
Octane
24
June 26-28, 2026
The 24 Hours of Octane is a multi-day automotive festival providing drivers with a full spread of enthusiast action. Headlined by the 9th annual 21st Century Car Show, the entire weekend is specifically designed to showcase exotic, luxury, and performance vehicles among the historical sites and technical roads that Northern Arizona has to offer.​
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Review the Itinerary
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Review the itinerary to see what our 4th annual gathering has in store. Highlights for a driver and their passenger includes, but is not limited to:
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Private welcome banquet & dining in downtown Prescott
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Entry to the 9th Annual 21st Century Car Show
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Official 24 Hours of Octane merchandise
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Exclusive road rallies between destinations
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Private three course meal at Merkin Vineyards & Trattoria
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Entry to Cars at Sunset in Old Town Cottonwood
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Discounted lodging at The Prescott Resort & Tavern Hotel in Old Town Cottonwood
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Professional photography and video coverage
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Private barbeque dining on Route 66
The 9th Annual 21st Century Car Show is the main event of the 24 Hours of Octane . Held on the streets bordering the Yavapai County Courthouse Square, this large display is perfect for spectator and enthusiast.
Entry includes, but is not limited to:
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Custom designed 21st Century Car Show dash plaque
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Official 24 Hours of Octane t-shirt
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Official event lanyard & ID badge
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Professional media coverage​
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Request an invitation
The 24 Hours of Octane and/or the 9th Annual 21st Century Car Show are invitational events,
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Why do we require invitations, and do you qualify?
Check here to find out.
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Secure your spot
Following acceptance, drivers will receive an email invitation that includes a password-protected link to their individual registration page. Here you can find:
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Additional event package details & pricing
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Detailed registration information per vehicle
* The official Event Timeline will be distributed to registered drivers only as the event draws near, which includes exact addresses, locations, and arrival/departure times.
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Have questions? Contact us
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