Audi A2.
What to Check Before Buying.

The Audi A2 remains one of the most innovative city cars ever built, with an all-aluminium body and impressive fuel economy. Produced between 1999 and 2005, it has developed a cult following among enthusiasts who value its engineering and practicality. However, the A2's unique construction and age mean buyers need to check carefully for corrosion in specific areas, electrical gremlins, and gearbox condition before committing to a purchase.

The average used car has 3+ known model faults the seller won't mention.