Short term result......definitely in the prep.

Long term result.... the paint itself. Lacquer is old news and (in my understanding) not as durable as the newer urethane paint. May get scratched or yellowed more easily. More expensive = better quality in general.

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2015 BMW X5 xdrive35i Msport
1999 Porsche Boxster
1974 Porsche 914 GT restomod