Although Mazda hasn't drastically revamped its Mazda6 mid-size sedan for 2017, it has nonetheless made various minor changes. These include a G-Vectoring Control system that improves handling, better soundproofing and a few changes to the list of standard features. Otherwise, it's status quo for the sedan with its 2.5-litre four cylinder the only engine offered. Unlike its rivals, the Mazda6 can still be equipped with a manual transmission, if you're interested.