Used Car Salesmen
When showing a prospective purchaser round your vehicle, it's probably in your interests NOT to laugh and say "Whoever heard of a 1.3l diesel engine?" when the customer enquires about the engine size/ fuel type.
(kitescreech still here, Fri 1 Oct 2010, 9:33, 2 replies, latest was 15 years ago)

Cripes!
The Volkswagen Polo Mark II had a 1.3L diesel engine, as any fule kno.
(Clerk T Hazarde are all the wine, Mon 4 Oct 2010, 0:12, Reply)

"One careful lady owner"
("Probably needs a new clutch")

Ducks...
(MrOli is ugly, but in the morning you will be sober, Mon 4 Oct 2010, 12:39, Reply)