The T6 adds a supercharger to the mix, upping output to 316 ponies and 295 lb-ft. The T8 layers a plug-in-hybrid system atop the T6 hardware, making for a combined total of 400 horsepower and 472 lb-ft; its EV-only range, and all models’ EPA fuel economy, have yet to be released. An eight-speed automatic transmission is standard, as is all-wheel drive (front-drive models are expected to follow later).
Our time in the XC60 was confined to the T6. Its 316 horsepower moves this compact SUV energetically; we measured a 6.0-second zero-to-60-mph time with this powertrain in the XC90, and the roughly 500-pound-lighter XC60 should get there in 5.7. Throttle response doesn’t suffer any serious lag, although it’s not as precisely linear as a larger-displacement naturally aspirated engine. The boosted four gurgles pleasantly when pushed, with gentler acceleration accompanied by an occasional faint supercharger whine or turbo whistle. The eight-speed automatic calls little attention to itself, but only the R-Design has shift paddles; in the other models, one must slap the lever to the left to enter manual mode, then toggle forward and back for upshifts and downshifts.