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Time Forgot Volkswagen’s Bizarre VR-5 Engine

The Volkswagen Group pioneered the use of the auto industry’s now-standard engine: the turbocharged four-cylinder. While we now associate VW with these overtly normal engines, in the 1990s and into the 2000s, the automaker went on a tear pushing internal-combustion…

This Mazda Concept Helped Save the Rotary Engine

Debut: 1999 Tokyo Motor Show Engine: Renesis Twin-Rotor Rotary Engine Transmission: Six-Speed Sequential Manual Drive Type: Front-Mid Engine, Rear-Wheel Drive For some reason, the rotary engine refuses to die. Even in the face of battery-electric vehicles, Mazda recently relaunched a…

Rivian R1X: Everything We Know

Rivian recently released two new models: The R2 and the R3. Part of that launch included the surprise debut of the automaker's first performance EV, the R3X. It's essentially a rugged version of the R3, with a slight suspension lift,…

Every V-12-Powered Car You Can Still Buy in 2024

Pour one out for the big boys—the 12-cylinder cars that have come and gone. With advancements in turbocharging, supercharging, and hybridization over the last few years, large displacement engines are getting rarer. Dozens of brands have done away with their…

My Quad-Motor Electric Go-Kart Finally Works

Electric go-karts aren’t uncommon, but I’ve personally never seen a go-kart with an electric motor on each wheel. If you read the last edition of this series, you’ll know my attempt at cheap kart suspension didn’t work. This time, I…

Porsche’s Skunkworks Built the 2025 Porsche Taycan Turbo GT 

A few years ago, Stefan Weckbach, then the chief engineer for the Porsche Taycan, built a weird prototype.  "He came up to me with this normal-looking Taycan with two bucket seats and more power,” Porsche test driver Lars Kern told…

2025 Toyota 4Runner: Everything We Know

The Toyota 4Runner is old. The SUV on sale today went into production nearly 15 years ago for the US, and it could be another year before its successor breaks cover. But there's plenty of reason to be excited about…