We don't have dimensions for the new Outback, but the latest Legacy has the same wheelbase as the outgoing sedan, but is 45mm (1.7-in) longer overall. 2020 2018-19. The new Outback is available with a naturally aspirated 2.5-litre H4 with 136kW (182hp) and 239Nm (176 lb-ft), or a 2.4-litre turbocharged H4 with 194kW (260hp) and 277 lb-ft (376Nm).. "/>