We bought a 318d sports saloon in 2013 and then a 320d sport saloon in 2016
The 320d is obviously quicker but not insanely so...
Neither car gave an inch of trouble.. they had the service inclusive and in the 3 years we had the 318d I didn't have to buy anything for it (not even tyres - we did about 35k miles in it).
They are pretty decently specced and the only thing we added was the auto folding mirrors. The seats are pretty decent and the only gripe I had was that the adjustment rails were a bit poor... But I'm too used to auto memory seats
Sent from my Nexus 6P using Tapatalk