AUDI Q3 w zależności od wersji i pojemności silnika, waha się od 4.5 do 8.6 l w cyklu mieszanym na 100km. Wersją o najniższym spalaniu w cyklu mieszanym jest AUDI Q3 2.0 TDI Kombi II 120KM. Najwięcej spala AUDI Q3 RS Performance Kombi II 2.5 367KM.
| Wersja | Cykl mieszany | Cykl miejski | W trasie |
| 1.4 TFSI CoD ultra 150KM | 5.8 l/100km | 7.1 l/100km | 5.1 l/100km |
| 1.4 TFSI CoD ultra Sport 150KM | 5.8 l/100km | 7.1 l/100km | 5.1 l/100km |
| 1.4 TFSI CoD ultra Design 150KM | 5.8 l/100km | 7.1 l/100km | 5.1 l/100km |
| 1.4 TFSI CoD ultra S tronic 150KM | 5.8 l/100km | 7.1 l/100km | 5.1 l/100km |
| 1.4 TFSI CoD ultra Sport S tronic 150KM | 5.8 l/100km | 7.1 l/100km | 5.1 l/100km |
| 1.4 TFSI CoD ultra Design S tronic 150KM | 5.8 l/100km | 7.1 l/100km | 5.1 l/100km |
| 2.0 TFSI Quattro S tronic 180KM | 6.5 l/100km | 7.8 l/100km | 5.7 l/100km |
| 2.0 TFSI Quattro Sport S tronic 180KM | 6.5 l/100km | 7.8 l/100km | 5.7 l/100km |
| 2.0 TFSI Quattro Design S tronic 180KM | 6.5 l/100km | 7.8 l/100km | 5.7 l/100km |
| 2.5 RS 340KM | 8.4 l/100km | 11.6 l/100km | 6.6 l/100km |
| 2.0 TFSI Quattro Sport S tronic 220KM | 6.6 l/100km | 8.0 l/100km | 5.9 l/100km |
| 2.0 TFSI Quattro Design S tronic 220KM | 6.6 l/100km | 8.0 l/100km | 5.9 l/100km |
| 2.5 RS Performance 367KM | 8.6 l/100km | 11.8 l/100km | 6.8 l/100km |
| 1.4 TFSI 125KM | 5.8 l/100km | 7.1 l/100km | 5.3 l/100km |
| 1.4 TFSI Sport 125KM | 5.8 l/100km | 7.1 l/100km | 5.3 l/100km |
| Wersja | Cykl mieszany | Cykl miejski | W trasie |
| 2.0 TDI 150KM | 4.6 l/100km | 5.3 l/100km | 4.1 l/100km |
| 2.0 TDI Sport 150KM | 4.6 l/100km | 5.3 l/100km | 4.1 l/100km |
| 2.0 TDI Design 150KM | 4.6 l/100km | 5.3 l/100km | 4.1 l/100km |
| 2.0 TDI Quattro 150KM | 4.6 l/100km | 5.3 l/100km | 4.1 l/100km |
| 2.0 TDI Quattro Sport 150KM | 4.6 l/100km | 5.3 l/100km | 4.1 l/100km |
| 2.0 TDI Quattro Design 150KM | 4.6 l/100km | 5.3 l/100km | 4.1 l/100km |
| 2.0 TDI Quattro S tronic 150KM | 4.6 l/100km | 5.3 l/100km | 4.1 l/100km |
| 2.0 TDI Quattro Sport S tronic 150KM | 4.6 l/100km | 5.3 l/100km | 4.1 l/100km |
| 2.0 TDI Quattro Design S tronic 150KM | 4.6 l/100km | 5.3 l/100km | 4.1 l/100km |
| 2.0 TDI Quattro 184KM | 5.3 l/100km | 6.6 l/100km | 4.6 l/100km |
| 2.0 TDI Quattro Sport 184KM | 5.3 l/100km | 6.6 l/100km | 4.6 l/100km |
| 2.0 TDI Quattro Design 184KM | 5.3 l/100km | 6.6 l/100km | 4.6 l/100km |
| 2.0 TDI Quattro S tronic 184KM | 5.3 l/100km | 6.6 l/100km | 4.6 l/100km |
| 2.0 TDI Quattro Sport S tronic 184KM | 5.3 l/100km | 6.6 l/100km | 4.6 l/100km |
| 2.0 TDI Quattro Design S tronic 184KM | 5.3 l/100km | 6.6 l/100km | 4.6 l/100km |
| 2.0 TDI 120KM | 4.5 l/100km | 5.2 l/100km | 4.1 l/100km |
| 2.0 TDI Sport 120KM | 4.5 l/100km | 5.2 l/100km | 4.1 l/100km |
| 2.0 TDI Design 120KM | 4.5 l/100km | 5.2 l/100km | 4.1 l/100km |
| Wersja | Cykl mieszany | Cykl miejski | W trasie |
| 2.0 TFSI Quattro S tronic 170KM | 7.3 l/100km | 9.5 l/100km | 6.1 l/100km |
| Wersja | Cykl mieszany | Cykl miejski | W trasie |
| 2.0 TDI Quattro 140KM | 5.2 l/100km | 6.2 l/100km | 4.7 l/100km |
| 2.0 TDI Quattro Prime Edition 140KM | 5.2 l/100km | 6.2 l/100km | 4.7 l/100km |
| 2.0 TDI Quattro Prime Line S tronic 177KM | 5.5 l/100km | 6.4 l/100km | 5.0 l/100km |