What are the variants of Audi A6 2015-2019?

Audi A6 is offered with four diesel variants and three petrol namely: Diesel: Audi A6 2.0 TDI Audi A6 2.0 TDI Premium plus Audi A6 2.0 TDI Technology Audi A6 2.0 TDI Special Edition
Petrol: Audi 2.0 TFSI Premium Audi 2.0 TFSI Premium Plus Audi 2.0 TFSI Technology