310 Tec hnic al dataEngine dataSales designationEng ine identifier code1.4Z 14 XEP1.6Z 16 XER1.6Z 16 LET1.8Z 18 XERVXRZ 20 LEHNumb er of cylinders 4 4 4 4 4Piston displacement (cm 3) 1364 1598 1598 1796 1998Brake horse power (k W/bhp)at rpm665600856000132550010363001775600Torque (Nm )at rpm125400015540002301980 to 55001751 )38001) For versions w ith a uto ma tic transm ission 170 N m.3202400 to 5000Type of fuel Petrol Petrol Petrol Petrol PetrolO ctane requirement (RO N) 2 )unleadedor unleadedor unleadedCetane requirement (CN) 2 )2) Stan da rd high-q uality fuels , e.g . unlea ded DIN EN 228; value p rinted in b old: reco mmend ed fuel.95 (S)3)98 (SP) 3)91 (N) 3 ) 4 )3) Kn ock contro l s ys tem a utoma tically a d jus ts ig nition tim ing a ccording to typ e o f fuel used (octa ne nu mber).4) Use of 91 RON fuel reduces p ower an d torq ue.95 (S)3 )98 (S P) 3 )91 (N ) 3) 4)95 (S )3 )98 (SP)3)91 (N)3) 4 )95 (S)3 )98 (SP)3)91 (N)3) 4 )95 (S)3) 5 )98 (SP)3)91 (N ) 3) 6)–5) Use of 95 RON fuel reduces p ower an d torq ue. Slig ht in crease in fuel con sump tio n.6) If no unlea ded P rem iu m fuel is availab le, 91 R ON ca n b e u sed to avoid hig h engine loa d or full loa d a s well a s fo r d riving in moun ta in ous terrainwith a caravan /trailer loa d o r hig h pa ylo ad .Max . permissible engine speed,continuous operation (rpm) approx. 6200 6500 6500 6800 6400O il consumption (l/1000 km) 0.6 0.6 0.6 0.6 0.6