s ▁a ▁combination ▁of ▁a ▁ 1 . 0 - lit re ▁ 3 - cy l inder ▁Fire F ly ▁pet rol ▁engine , ▁a ▁ 1 2 - vol t ▁B SG ▁( B elt - integr ated ▁St arter ▁Gener ator ) ▁electric ▁motor ▁and ▁a ▁ 1 1 ▁Ah ▁l ith ium - ion ▁battery . ▁ ▁Special ▁ed itions ▁ ▁P anda ▁ 4 x 4 ▁Ste yr ▁Aust rian ▁market ▁only ▁special ▁edition , ▁announced ▁in ▁ 2 0 1 2 . ▁Its ▁Ste yr ▁T ractor ▁theme ▁celebr ates ▁the ▁several ▁collabor ations ▁throughout ▁the ▁years ▁between ▁F iat ▁and ▁former ▁Ste yr - Da im ler - P uch , ▁such ▁as ▁the ▁development ▁of ▁the ▁original ▁P anda ' s ▁four ▁wheel ▁drive ▁system . ▁Bu ilt ▁on ▁the ▁basis ▁of ▁the ▁P anda ▁ 4 x 4 ▁ 1 . 3 ▁Mult ij et ▁II ▁with ▁rich er ▁interior ▁standard ▁equipment , ▁it ▁was ▁available ▁in ▁red ▁or ▁white ▁with ▁contrast ing ▁colour ▁side ▁stri pes ▁and ▁Ste yr ▁logo ▁de cal s . ▁ ▁P anda ▁ 4 x 4 ▁Ant arct ica ▁This ▁limited , ▁ 2 0 0 ▁cars ▁edition ▁was ▁premier ed ▁at ▁the ▁ 2 0 1 3 ▁Frankfurt ▁Motor ▁Show , ▁comm emor ating ▁the ▁ 3 0 th ▁anni versary ▁of ▁the ▁P anda ▁ 4 x 4 . ▁It ▁was ▁too ▁based ▁on ▁the ▁P anda ▁ 4 x 4 ▁ 1 . 3 ▁Mult