Why do the car sizes in reviews vary so much?

What is the meaning of the different lengths and widths in the data for any given car?

Cars that would fit in garage

I am looking to buy a new / nearly new car but am limited by what will fit into my garage. I drive approx. 75/ 80 miles per week on average (within London) to and from work / to the shops , with at least...

Is there a smaller car than my Saab 9-3 that will fit inside my 7-foot garage?

My garage has a 7-foot entrance which cannot be widened. I have driven Saabs since 1970 and my 9-3 will squeeze in. I am looking for a reasonably-sized but narrower vehicle and feel a higher one would...