The phrase "identical wheelbase" means that two or more vehicles have the same distance between their front and rear wheels.
Sentences with «identical wheelbase»
The two have nearly identical wheelbases, but the Prius c is 15 inches shorter overall. (articles.orlandosentinel.com)
The new Aygo is slightly longer, wider and lower than its predecessor, so looks a little less truncated from some angles, even though it has an identical wheelbase. (autoexpress.co.uk)
[61][62] Body dimensions were largely unchanged from the previous model, including an identical wheelbase, [59] although length increases 100 millimeters (3.9 in). (en.wikipedia.org)