Question: what is the best used car to buy under 4000?
Answer: Suzuki Swift (2010-2017) ... 
Ford Ka (2008-2016) ... 
Citroen C3 (2013-2016) ... 
Fiat Panda (2011-present) ... 
Suzuki Celerio (2014-present) ... 
Dacia Sandero (2012-present)