[MrDeath537]

I'll give you a small function, maybe you will use it:

pawn Код:

stock
    GetVehicleSpeed(vehicleid)
    {
        new
            Float: x,
            Float: y,
            Float: z;

        GetVehicleVelocity(vehicleid, x, y, z);
        return floatround((floatmul(floatsqroot(floatpower(x, 2.0) + floatpower(y, 2.0) + floatpower(z, 2.0)), 100.0) / 0.4463), floatround_floor);
    }

It returns the vehicle speed in kmp/h.