7   mm ▁t aller ▁than ▁the ▁out going ▁model , ▁with ▁a ▁ 2 8   mm ▁longer ▁wheel base ▁and ▁an ▁increase ▁in ▁track ▁width ▁(+ 4 2   mm ▁front ▁and ▁+ 3 4   mm ▁rear ). ▁The ▁increase ▁in ▁size ▁results ▁in ▁a ▁larger ▁interior ▁and ▁a ▁boot ▁volume ▁increase ▁to ▁ 2 1 1 ▁lit res . ▁ ▁Six ▁all - new ▁engines ▁are ▁offered ▁for ▁this ▁M ini , ▁ 4 ▁pet rol , ▁and ▁ 2 ▁dies els : ▁two ▁models ▁of ▁a ▁ 1 . 2 ▁lit re ▁three - cy l inder ▁pet rol ▁with ▁either ▁ 7 5   b hp ▁or ▁ 1 0 2   b hp , ▁a ▁ 1 . 5 ▁lit re ▁ 3 - cy l inder ▁pet rol ▁with ▁ 1 3 6   b hp , ▁( B MW ▁B 3 8 ▁engine ), ▁a ▁ 2 . 0 ▁lit re ▁ 4 - cy l inder ▁pet rol ▁( B MW ▁B 4 8 ▁engine ) ▁that ▁produces ▁ 1 9 2   b hp ▁for ▁the ▁Cooper ▁S , ▁and ▁a ▁ 1 . 5 ▁lit re ▁ 3 - cy l inder ▁dies el ▁( B MW ▁B 3 7 ▁engine ) ▁in ▁ 2 ▁levels ▁of ▁power ▁output : ▁ 9 5   b hp ▁and ▁ 1 1 6   b hp ▁( Co oper ▁D ), ▁and ▁a ▁ 2 . 0 ▁lit re ▁tur bo - d