Brute power and a traditionally unassuming design make the 2016 Audi S8 Plus a veritable wolf in sheep’s clothing. The “Plus” means the twin-turbo V-8 now makes 605 hp—85 hp more than before—while a rear-biased all-wheel-drive system makes sure all that power is applied to the pavement in a controlled and civilized manner. The interior is sumptuous and loaded with tech. Despite its conservative styling and perceived sedate luxury car status, the S8 Plus can keep up with nearly anything on the road.