There are many factors to consider when determining whether a specific car seat will fit in your vehicle. Your best option is to test the car seat in your vehicle before you make the purchase. It’s always worth asking for this option at your local retailer.If you’re not able to try the car seat in your vehicle, we’ve provided some basic dimensions [in a table] below. Please note: the dimensions of your car seat and your vehicle’s back seat will not give you the full picture. There are many thousands of combinations of vehicle makes, models, car seat configurations, vehicle seat belt designs and seat cushion shapes. The easiest way to determine whether your car seat is suitable for a particular seating position is to check for a tight installation.