vehicle

<xs:element name="vehicle">
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="id" minOccurs="0" maxOccurs="unbounded"/>
      <xs:element ref="year"/>
      <xs:element ref="make"/>
      <xs:element ref="model"/>
      <xs:element ref="vin" minOccurs="0"/>
      <xs:element ref="stock" minOccurs="0"/>
      <xs:element ref="trim" minOccurs="0"/>
      <xs:element ref="doors" minOccurs="0"/>
      <xs:element ref="bodystyle" minOccurs="0"/>
      <xs:element ref="transmission" minOccurs="0"/>
      <xs:element ref="odometer" minOccurs="0"/>
      <xs:element ref="colorcombination" minOccurs="0" maxOccurs="unbounded"/>
      <xs:element ref="imagetag" minOccurs="0"/>
      <xs:element ref="price" minOccurs="0"/>
      <xs:element ref="pricecomments" minOccurs="0"/>
      <xs:element ref="option" minOccurs="0" maxOccurs="unbounded"/>
      <xs:element ref="finance" minOccurs="0"/>
      <xs:element ref="comments" minOccurs="0"/>
    </xs:sequence>
    <xs:attribute name="interest" default="buy">
      <xs:simpleType>
        <xs:restriction base="xs:NMTOKEN">
          <xs:enumeration value="buy"/>
          <xs:enumeration value="sell"/>
          <xs:enumeration value="lease"/>
          <xs:enumeration value="trade-in"/>
          <xs:enumeration value="test-drive"/>
        </xs:restriction>
      </xs:simpleType>
    </xs:attribute>
    <xs:attribute name="status" default="new">
      <xs:simpleType>
        <xs:restriction base="xs:NMTOKEN">
          <xs:enumeration value="new"/>
          <xs:enumeration value="used"/>
        </xs:restriction>
      </xs:simpleType>
    </xs:attribute>
  </xs:complexType>
</xs:element>