Old Audis used to have really short and straightforward names like 80, A6, A8 TDI, etc. But the engineers started letting marketing people do all the talking. The result is a constant barrage of letters and words that are supposed to evoke power or efficiency.

One example would be the 2017 Audi Q7 e-tron quattro TDI Plug-in Hybrid, and it’s starting to affect thei…