Thanks to 6'3" Firstwefeast.com E-i-C Chris Schonberger, we can confirm that larger lads fit comfortably in the back seat of a Spark. We drove all over Southern Connecticut in the quest for the best hot dog on 95 with four passengers. Everyone was comfortable. Nobody complained about personal space. Considering the overall size of the Spark, the interior space is astounding.
It's Got Passenger Space