The B5 MHEV accelerates from 0-100 km/h in 7.7 seconds, with a top speed of 180 km/h. The T8 PHEV accelerates from 0-100 km/h in 5.3 seconds, with the same top speed of 180 km/h . The T8 PHEV also offers an electric-only driving range of up to 77 km .