Complex sentence: It was identical except in color and minor trim to the Plymouth Sapporo with the Dodge version emphasizing sportiness, with bright colors and tape stripes, while the Plymouth emphasized luxury, with more subdued trim.
Split into simpler sentences: It was identical except in color and minor trim to the Plymouth Sapporo. Although mechanically identical, the Dodge version emphasized sportiness, with bright colors and tape stripes, while the Plymouth emphasized luxury, with more subdued trim.