Audi driver Robin Frijns set the quickest time across four days of official pre-season testing for the 2019 DTM season at Lausitz.
Frijns' best lap of 1m35.169 was set on Wednesday, which edged his fellow Audi driver Mike Rockenfeller's benchmark from the opening day of the test on Monday by 0.021 seconds.
Rockenfeller finished Monday's running 0.043s up on another Audi driver, Jamie Green, whose time stood as the third-best of the week.
Rene Rast, second-quickest on Wednesday, was fourth fastest overall, while Nico Muller, who topped Thursday's action but with a time slower than he managed on Wednesday, completed the top five.
The best non-Audi driver on the combined timesheets was BMW's Joel Eriksson in sixth place. He set a time 0.715s slower than Frijns.
Two more BMW drivers, Bruno Spengler and Timo Glock, were next up, while the new WRT squad's top driver Jonathan Aberdein was ninth-fastest ahead of another Audi representative, Loic Duval.
New WRT signing Pietro Fittipaldi, whose place on the 2019 grid was confirmed on Thursday, ended up with the 11h-fastest time of the week, just over a tenth slower than team-mate Aberdein.
Jake Dennis was quickest of the four-strong R-Motorsport Aston contingent in 14th overall, 1.2s off the pace, with Ferdinand Habsburg another tenth and a half back in 15th.