I drive a Prius and it handles fine in winter. Although it burns more fuel during winter because of the heating. Only thing I would strongly suggest is getting a quality set of winter tires. Only time it struggled was getting up that steep incline on King Edward after Rideau on glare ice..during rush hour. I still made it just fine while other gas powered cars were spinning their wheels.
Best Tires for Toyota Prius
Highly recommend Bridgestone ecopia tires had 2 sets on the Prius lasted 60k each,handled well,and gave good efficiency
I have the Hankook iPikes on my Prius and am very happy with them. I've run Michelin Arctic Alpins, Cooper Weathermasters (twice), Firestone Winterforce, Gislaved, and Nokian Haka2's. Each had very minor pros and cons but honestly I didn't find much of a real difference between any of them including the Hakka's which cost twice what the others costs.
Best bang for buck = General Altimax Arctic. It's outright won several winter tire comparisons (where a certain Nokian wasn't entered) and still was one of the cheapest entrants.
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