The driver's seat feels nice and comfy, even after two or three hours of driving. Not too much pressure under the legs by the knees, and not too little lumbar support. I imagine the passenger's seat is the same, but I so infrequently sit there I can't really comment.
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I only rode in the back a couple times. Keep in mind, this is not a full-sized truck.
The legroom isn't much, but sufficient for a smaller adult or, if you keep the trip short, most anyone. The seat isn't really wide enough to comfortably sit 3.
Also the seating position is very upright - like church pew upright. I was not a fan, but I never sit back there anyway. :)
see full Nissan Frontier review
What Our Members Are Saying about the Seat Room and Comfort of the 2014 Toyota Prius c
2014 Toyota Prius c Seat Room and Comfort: Cons
Year
Body/Powertrain
Comment
2013
4dr Hatch 73-horsepower 1.5L I4 Hybrid CVT FWD
I'm 6ft, 190lb. and I feel OK driving this car. It's similar to 2003 Civic, and obviously less than 2012 Accord.
see full Toyota Prius c review