World Manufacturer Identifier · ISO 3780
SED
General Motors Luton Plant
Built in United Kingdom
What WMI SED means
The first three characters of every VIN are the World Manufacturer Identifier (WMI). The code SED is assigned to General Motors Luton Plant, with the country of manufacture United Kingdom.
So any 17-character VIN that begins with SED was produced by General Motors Luton Plant:
SEDZZZ0000000000000
Browse all General Motors models & tuning options →Decode the full VIN
The WMI only identifies the maker. To read the year, engine, plant and serial number, decode the complete 17-digit VIN with our free tool — then check which ECU it uses and what tuning services (DPF, EGR, AdBlue, DTC off, Stage) are available.
Open the free VIN Decoder →Other manufacturers in United Kingdom
SA9 · MorganSAJ · JaguarSAL · Land RoverSAR · RoverSAT · TriumphSAX · SterlingSB1 · Toyota UKSBM · McLarenSCA · Rolls RoyceSCB · BentleySCC · Lotus CarsSCE · DeLorean Motor Cars N. Ireland (UK)SCF · AstonSDB · Peugeot UK (formerly Talbot)