Could be a plugged catalytic converter, plugged fuel filter,
55mph
+/-55mph mph
52-55mph
55mph
55mph
45-55mph
i ain't no expert but might be the head gasket.
55mph = 88.5km/h
loaded coal trains go 55mph and are 18 thousand tons 120 cars
4*55 = 220 miles
Cuz its got a blender for a motor
Is the S10 a 4x4?If not, measure everything and if it is correct Go for it