The Porsche Cayenne Turbo Electric is the quickest SUV we've ever tested, reaching 60 mph in just 2.1 seconds and completing the quarter-mile in 9.5 seconds. The Cayenne Turbo Electric also posted the best roadholding figure for an SUV in Car and Driver history at 1.05 g on the skidpad. For the 2026 Porsche Cayenne Turbo Electric, its 5960-pound curb weight is an afterthought in all regards, setting new records for acceleration, braking, and roadholding among SUVs. The quarter-mile run is equally spectacular, with the Cayenne Turbo Electric crossing the line in just 9.5 seconds at 146 mph. In fact, the Cayenne Turbo Electric's braking performance matches that of the Corvette ZR1, which weighs over 2100 pounds less.