The 2017 Toyota Prius comes with a 1.8-liter four-cylinder engine and a pair of electric motors/generators. Their combined power is sent through an electronically controlled continuously variable transmission (CVT) that feeds as much as 121 horsepower to the front wheels. Light to moderate braking transforms one of the electric motors into a generator to keep the hybrid battery topped up.
We tested a Prius Three and recorded a 0-to-60 mph time of 9.8 seconds. That's a few tenths quicker than the last-generation Prius but still slower than most average hatchbacks. By comparison, a Camry Hybrid gets to 60 mph in 7.7 seconds, something to keep in mind if you get nervous when merging onto the highway.
The upside to the Prius' leisurely acceleration is an EPA fuel economy rating of 52 mpg combined (54 city/50 highway). Our on-road testing of a Prius Three proved that this result can be readily matched or surpassed. Those looking for ultimate frugality can turn to the new Prius Two Eco, which returns an astonishing 56 mpg combined (58 city/53 highway).
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