My car came with 175/65/R14 tyres can i go with bigger sidewall ? Like 185/65/R14.

As i understand things tyres are a part of the suspension so a bigger sidewall would give me a tiny bit more ground clearance and a softer more cushioned ride.

Is my assumption correct ? What more details would you need to make sure i can fit bigger tyres ? I have a 2006 Daihatsu Sirion

Thank you