Complex sentence: The cost of this upgrade (including Verada models) reached, which went towards increased availability of the 3.5-litre V6 engine across the range, a matching manual transmission as well as specification and trim changes across all models.
Split into simpler sentences: The cost of this upgrade (including Verada models) reached. The update heralded increased availability of the 3.5-litre V6 engine option, matching manual transmission and specification and trim changes to all models.