By Soup StaffWorldSBK Argentina Free Practice 4 Results 2018 from the Motul Argentinian Round, Circuito San Juan Villicum, San Juan, Argentina. The 12th round of 2018.
| Pos. | Rider | Team | Bike | Time |
|---|---|---|---|---|
| 1 | Jonathan Rea | Kawasaki Racing | Kawasaki ZX-10R | 1:39.270 |
| 2 | Chaz Davies | Aruba.it Racing – Ducati | Ducati Panigale R | 1:39.365 |
| 3 | Marco Melandri | Aruba.it Racing – Ducati | Ducati Panigale R | 1:39.464 |
| 4 | Toprak Razgatlioglu | Kawasaki Puccetti Racing | Kawasaki ZX-10R | 1:39.721 |
| 5 | Alex Lowes | Pata Yamaha Official WorldSBK | Yamaha YZF R1 | 1:39.838 |
| 6 | Eugene Laverty | Milwaukee Aprilia | Aprilia RSV4 RF | 1:39.844 |
| 7 | Jake Gagne | Red Bull Honda World Superbike | Honda CBR1000RR | 1:39.890 |
| 8 | Loris Baz | Gulf Althea BMW Racing | BMW S1000 RR | 1:39.903 |
| 9 | Xavi Fores | Barni Racing | Ducati Panigale R | 1:39.904 |
| 10 | Tom Sykes | Kawasaki Racing | Kawasaki ZX-10R | 1:39.965 |
| 11 | Michael van der Mark | Pata Yamaha Official WorldSBK | Yamaha YZF R1 | 1:40.058 |
| 12 | Leandro Mercado | Orelac Racing Verdnatura | Kawasaki ZX-10R | 1:40.227 |
| 13 | Leon Camier | Red Bull Honda World Superbike | Honda CBR1000RR | 1:40.566 |
| 14 | Lorenzo Savadori | Milwaukee Aprilia | Aprilia RSV4 RF | 1:40.589 |
| 15 | Roman Ramos | GoEleven | Kawasaki ZX-10R | 1:41.309 |
| 16 | Florian Marino | URBIS Yamaha Motoxracing STK | Yamaha YZF R1 | 1:41.620 |
| 17 | Maximilian Scheib | MV Agusta | MV Agusta 1000 F4 | 1:42.049 |
| 18 | Gabriele Ruiu | Pedercini Racing | Kawasaki ZX-10RR | 1:42.375 |
| 19 | Jakub Smrz | Guandalini Racing | BMW S1000 RR | 1:42.558 |
