Codigo Soap

soap.php

<?php 

$cliente = new SoapClient('http://30.10.99.50:81/WsConsumeQuote/Vehicle.asmx?wsdl', array("trace" => 1, "exception" => 1));

$header = new SoapHeader('http://tempuri.org/', 'Login',[
	'User' => 'int13991',
	'Password' => '#######'
]);

$cliente->__setSoapHeaders($header);

$resultado = $cliente->VehicleMakes(['User' => 'int13991']);

print_r($resultado);

print_r($cliente->__getLastRequest());

soap.xml

<?xml version="1.0" encoding="UTF-8"?>
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ns1="http://tempuri.org/"><SOAP-ENV:Header><ns1:Login><ns1:User>int13991</ns1:User><ns1:Password>LAMISMADE365</ns1:Password></ns1:Login></SOAP-ENV:Header><SOAP-ENV:Body><ns1:VehicleMakes/></SOAP-ENV:Body></SOAP-ENV:Envelope>