ULEZ compliant. Cadillac Seville STS 4.6 V8, L37 Northstar, lower compression and better head bolts than earlier motors, full service history, mostly Cadillac main dealer then a few independent specialists, recent full service including GM spec coolant flush, new OE plugs, oil and air filters, ice cold A/C, no issues with overheating, drives 100%, a few scuffs around the body but a fantastic example of this amazing car, alloys good, 2 new tyres, 12 months MoT, 2 keys and fobs plus valet key, book pack, workshop manual, new OE wheel hub and a few other spares. I can get it close to 30mpg on the motorway on premium fuel, averaging 25 in daily use.