This Street-Legal V8-Powered Radio Flyer Wagon Just Sold For $75,000
Built on a shortened 1999 GMC Sonoma chassis, this Radio Flyer wagon hides a 350 V8 and a hydraulically lifting steel body.
A Las Vegas dealer just listed a full-size Radio Flyer wagon with a Chevrolet 350 V8 under its hydraulically lifting hood. It carries a clean Carfax and a Nevada title listing it as a 1999 GMC Sonoma. Classic Cars Las Vegas has it on consignment now, and the listing on Bring A Trailer shows it sold on October 27, 2026, for $75,000.
The current owner commissioned the build around four years ago, starting from a shortened 1999 GMC Sonoma chassis. The finished wagon stretches 15 feet long, stands 8.5 feet tall with its removable handle attached, and measures 7 feet across.
The 1999 GMC Sonoma Chassis
Radio Flyer Wagon Custom V8 Roadster
Underneath the red steel bodywork sits a genuine compact-truck foundation. The 1999 GMC Sonoma chassis was shortened and refinished in black, then fitted with an independent coil-spring front suspension carried over from the donor truck.
At the back, the builders swapped in a triangulated four-link setup with adjustable coilovers, a notable upgrade over the Sonoma's stock rear end. Power steering comes standard, and front disc brakes and rear drums share stopping duties through a Wilwood dual-circuit master cylinder.
Fifteen-inch wheels wrap in Coker American Classic whitewall tires, dressed with custom covers shaped to look like actual Radio Flyer wagon wheels. The Nevada paperwork titles the vehicle as a 1999 GMC Sonoma, and the identification plate shows the original VIN.
Gallery: Radio Flyer Wagon Custom V8 Roadster
350 V8 Power And The Hydraulic Body That Lifts Open
Power comes from a 350-cubic-inch Chevrolet small-block V8. It breathes through an Edelbrock 500-cfm four-barrel carburetor under a bug-catcher air scoop, with finned valve covers and a serpentine accessory drive rounding out the engine bay.
A 140-amp alternator and an aluminum radiator with dual electric fans keep the system running. Four-into-one headers feed a dual exhaust system fitted with Flowmaster mufflers.
The V8 pairs with a TH350 three-speed automatic transmission and an external cooler, sending power to the rear wheels through a GM ten-bolt rear end.
The entire steel body, fabricated from sheet metal and box tubing and finished in red with white Radio Flyer graphics, rises on hydraulic pistons to expose both the cockpit and the engine compartment. That mechanism replaces conventional doors and a hood entirely.
Inside, a gray-upholstered bench seat sits over a black bedliner floor. An Alpine touchscreen head unit, a PA system, and a Fookoo display feed front and rear camera views to the driver.
Stewart-Warner gauges, including a 160-mph speedometer, sit ahead of a billet wheel on an Ididit tilt column. The five-digit odometer reads roughly 1,100 miles since the build's completion.
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Source: Bring A Trailer
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