Speed rating[1] Code km/h mph Code km/h mph A1 5 3 L 120 75 A2 10 6 M 130 81 A3 15 9 N 140 87 A4 20 12 P 150 94 A5 25 16 Q 160 100 A6 30 19 R 170 106 A7 35 22 S 180 112 A8 40 25 T 190 118 B 50 31 U 200 124 C 60 37 H 210 130 D 65 40 V 240 149 E 70 43 Z over 240 over 149 F 80 50 W 270 168 G 90 56 (W) over 270 over 168 J 100 62 Y 300 186 K 110 68 (Y) over 300 over 186