The phrase "hushed cabin" refers to a calm and quiet environment inside a small enclosed space, like an airplane or a car, where there is very little noise or conversation happening. Full definition
The 2 - litre is brisk enough for most driving conditions and BMW's efforts to hush the cabin mean even under hard acceleration it remains admirably muted. (evo.co.uk)
It soaked up potholes and expansion joints, leaving us to enjoy the very hushed cabin. (automobilemag.com)
Save for some road noise from the standard 19 - inch wheels, the smooth drivetrain and hushed cabin make for a relaxed atmosphere. (carbuzz.com)