Audi A6: NEDC figures, lists 2016–2018
165 versions of the Audi A6 in the Vehicle Certification Agency lists 2016–2018, with combined economy of 29.4–67.3 mpg.
All figures on this page come from the NEDC test. NEDC was the official test before WLTP. NEDC figures are noticeably more optimistic, so do not compare them with WLTP figures.
| Version | Fuel | Combined | L/100 km | CO₂ g/km | In lists |
|---|---|---|---|---|---|
| A6 Saloon 2.0 TDI Ultra 190PS 17'' wheels · M6 · 1968 cc | Diesel | 65.7 mpg | 4.3 | 113 | 2017–2018 |
| A6 Saloon 2.0 TDI Ultra 190PS 18'' wheels · M6 · 1968 cc | Diesel | 64.2 mpg | 4.4 | 114 | 2017–2018 |
| A6 Saloon 2.0 TDI Ultra 190PS 19'' wheels · M6 · 1968 cc | Diesel | 64.2 mpg | 4.4 | 116 | 2017–2018 |
| A6 Saloon 2.0 TDI Ultra 190PS 7speed S-tronic 17'' wheels · D7 · 1968 cc | Diesel | 64.2 mpg | 4.4 | 114 | 2018 |
| A6 Saloon 2.0 TDI Ultra 190PS 7speed S-tronic 18'' wheels · D7 · 1968 cc | Diesel | 64.2 mpg | 4.4 | 114 | 2018 |
| A6 Saloon 3.0 TDI V6 218PS 7speed S-tronic 17'' & 18'' wheel · D7 · 2967 cc | Diesel | 64.2 mpg | 4.4 | 115 | 2017–2018 |
| A6 Avant 2.0 TDI Ultra 190PS 17'' wheels · M6 · 1968 cc | Diesel | 62.8 mpg | 4.5 | 118 | 2017–2018 |
| A6 Avant 2.0 TDI Ultra 190PS 7speed S-tronic 17'' wheels · D7 · 1968 cc | Diesel | 62.8 mpg | 4.5 | 118 | 2018 |
| A6 Avant 2.0 TDI Ultra 190PS 7speed S-tronic 18'' wheels · D7 · 1968 cc | Diesel | 62.8 mpg | 4.5 | 118 | 2018 |
| A6 Saloon 2.0 TDI Ultra 190PS 20'' wheels · M6 · 1968 cc | Diesel | 62.8 mpg | 4.5 | 119 | 2017–2018 |
| A6 Saloon 2.0 TDI Ultra 190PS 7speed S-tronic 19'' wheels · D7 · 1968 cc | Diesel | 62.8 mpg | 4.5 | 116 | 2018 |
| A6 Saloon 2.0 TDI Ultra 190PS 7speed S-tronic 20'' wheels · D7 · 1968 cc | Diesel | 62.8 mpg | 4.5 | 118 | 2018 |
| A6 Saloon 3.0 TDI V6 218PS 7speed S-tronic 19'' wheels · D7 · 2967 cc | Diesel | 62.8 mpg | 4.5 | 117 | 2017–2018 |
| A6 Saloon 40 TDI 204PS 7-speed S-tronic with 18'' wheels · D7 · 1968 cc | Diesel | 62.8 mpg | 4.5 | 117 | 2018 |
| A6 Saloon 40 TDI 204PS 7-speed S-tronic with 19'' wheels · D7 · 1968 cc | Diesel | 62.8 mpg | 4.5 | 117 | 2018 |
| A6 Avant 2.0 TDI Ultra 190PS 18'' wheels · M6 · 1968 cc | Diesel | 61.4 mpg | 4.6 | 119 | 2017–2018 |
| A6 Avant 2.0 TDI Ultra 190PS 19'' wheels · M6 · 1968 cc | Diesel | 61.4 mpg | 4.6 | 121 | 2017–2018 |
| A6 Avant 2.0 TDI Ultra 190PS 7speed S-tronic 19'' wheels · D7 · 1968 cc | Diesel | 61.4 mpg | 4.6 | 120 | 2018 |
| A6 Avant 3.0 TDI V6 218PS 7speed S-tronic 17'' & 18'' wheels · D7 · 2967 cc | Diesel | 61.4 mpg | 4.6 | 119 | 2017–2018 |
| A6 Avant 3.0 TDI V6 218PS 7speed S-tronic 19'' wheels · D7 · 2967 cc | Diesel | 61.4 mpg | 4.6 | 120 | 2017–2018 |
| A6 Saloon 3.0 TDI V6 218PS 7speed S-tronic 20'' wheels · D7 · 2967 cc | Diesel | 61.4 mpg | 4.6 | 120 | 2017–2018 |
| A6 Avant 2.0 TDI Ultra 190PS 20'' wheels · M6 · 1968 cc | Diesel | 60.1 mpg | 4.7 | 124 | 2017–2018 |
| A6 Avant 2.0 TDI Ultra 190PS 7speed S-tronic 20'' wheels · D7 · 1968 cc | Diesel | 60.1 mpg | 4.7 | 122 | 2018 |
| A6 Avant 40 TDI 204PS 7-speed S-tronic with 18'' wheels · D7 · 1968 cc | Diesel | 60.1 mpg | 4.7 | 124 | 2018 |
| A6 Avant 40 TDI 204PS 7-speed S-tronic with 19'' wheels · D7 · 1968 cc | Diesel | 60.1 mpg | 4.7 | 124 | 2018 |
| A6 Saloon 40 TDI 204PS 7-speed S-tronic with 20'' wheels · D7 · 1968 cc | Diesel | 60.1 mpg | 4.7 | 124 | 2018 |
| A6 Avant 3.0 TDI V6 218PS 7speed S-tronic 20'' wheels · D7 · 2967 cc | Diesel | 58.9 mpg | 4.8 | 124 | 2017–2018 |
| A6 Avant 40 TDI 204PS 7-speed S-tronic with 20'' wheels · D7 · 1968 cc | Diesel | 57.6 mpg | 4.9 | 129 | 2018 |
| A6 Saloon 2.0 TDI quattro 190PS 7speed S-tronic 18'' wheels · QD7 · 1968 cc | Diesel | 56.5 mpg | 5.0 | 131 | 2018 |
| A6 Saloon 3.0 TDI quattro V6 218PS 7speed S-tronic 17'' & 18'' wheel · QD7 · 2967 cc | Diesel | 56.5 mpg | 5.0 | 132 | 2017–2018 |
| A6 Saloon 2.0 TDI quattro 190PS 7speed S-tronic 17'' wheels · QD7 · 1968 cc | Diesel | 55.4 mpg | 5.1 | 132 | 2018 |
| A6 Saloon 2.0 TDI quattro 190PS 7speed S-tronic 19'' wheels · QD7 · 1968 cc | Diesel | 55.4 mpg | 5.1 | 133 | 2018 |
| A6 Saloon 3.0 TDI quattro V6 218PS 7speed S-tronic 19'' wheels · QD7 · 2967 cc | Diesel | 55.4 mpg | 5.1 | 135 | 2017–2018 |
| A6 Saloon 3.0 TDI quattro V6 272PS 7speed S-tronic 17 & 18'' wheel · QD7 · 2967 cc | Diesel | 55.4 mpg | 5.1 | 133 | 2017–2018 |
| A6 Saloon 3.0 TDI quattro V6 272PS 7speed S-tronic 19'' wheels · QD7 · 2967 cc | Diesel | 55.4 mpg | 5.1 | 135 | 2017–2018 |
| A6 Avant 2.0 TDI quattro 190PS 7speed S-tronic 18'' wheels · QD7 · 1968 cc | Diesel | 54.3 mpg | 5.2 | 136 | 2018 |
| A6 Saloon 2.0 TDI quattro 190PS 7speed S-tronic 20'' wheels · QD7 · 1968 cc | Diesel | 54.3 mpg | 5.2 | 136 | 2018 |
| A6 Saloon 3.0 TDI quattro V6 272PS 7speed S-tronic 20'' wheels · QD7 · 2967 cc | Diesel | 54.3 mpg | 5.2 | 138 | 2017–2018 |
| A6 Avant 2.0 TDI quattro 190PS 7speed S-tronic 17'' wheels · QD7 · 1968 cc | Diesel | 53.3 mpg | 5.3 | 137 | 2018 |
| A6 Avant 2.0 TDI quattro 190PS 7speed S-tronic 19'' wheels · QD7 · 1968 cc | Diesel | 53.3 mpg | 5.3 | 138 | 2018 |
| A6 Avant 3.0 TDI quattro V6 218PS 7speed S-tronic 17'' & 18'' wheel · QD7 · 2967 cc | Diesel | 53.3 mpg | 5.3 | 138 | 2017–2018 |
| A6 Avant 3.0 TDI quattro V6 218PS 7speed S-tronic 19'' wheels · QD7 · 2967 cc | Diesel | 53.3 mpg | 5.3 | 140 | 2017–2018 |
| A6 Avant 3.0 TDI quattro V6 272PS 7speed S-tronic 17'' & 18'' wheel · QD7 · 2967 cc | Diesel | 53.3 mpg | 5.3 | 138 | 2017–2018 |
| A6 Avant 3.0 TDI quattro V6 272PS 7speed S-tronic 19'' wheels · QD7 · 2967 cc | Diesel | 53.3 mpg | 5.3 | 140 | 2017–2018 |
| A6 Saloon 3.0 TDI quattro V6 218PS 7speed S-tronic 20'' wheels · QD7 · 2967 cc | Diesel | 53.3 mpg | 5.3 | 138 | 2017–2018 |
| A6 Avant 2.0 TDI quattro 190PS 7speed S-tronic 20'' wheels · QD7 · 1968 cc | Diesel | 52.3 mpg | 5.4 | 141 | 2018 |
| A6 Avant 3.0 TDI quattro V6 218PS 7speed S-tronic 20'' wheels · QD7 · 2967 cc | Diesel | 52.3 mpg | 5.4 | 143 | 2017–2018 |
| A6 Avant 3.0 TDI quattro V6 272PS 7speed S-tronic 20'' wheels · QD7 · 2967 cc | Diesel | 52.3 mpg | 5.4 | 144 | 2017–2018 |
| A6 Allroad 3.0 TDI quattro V6 272PS 7-speed S-tronic · QD7 · 2967 cc | Diesel | 50.4 mpg | 5.6 | 149 | 2017–2018 |
| A6 Saloon 50 TDI quattro 286PS 8-speed Tiptronic with 18'' wheels · A8 · 2967 cc | Diesel | 50.4 mpg | 5.6 | 146 | 2018 |
| A6 Saloon 50 TDI quattro 286PS 8-speed Tiptronic with 19'' wheels · A8 · 2967 cc | Diesel | 50.4 mpg | 5.6 | 146 | 2018 |
| A6 Avant 50 TDI quattro 286PS 8-speed Tiptronic with 18'' wheels · A8 · 2967 cc | Diesel | 48.7 mpg | 5.8 | 151 | 2018 |
| A6 Avant 50 TDI quattro 286PS 8-speed Tiptronic with 19'' wheels · A8 · 2967 cc | Diesel | 48.7 mpg | 5.8 | 151 | 2018 |
| A6 Saloon 50 TDI quattro 286PS 8-speed Tiptronic with 20'' wheels · A8 · 2967 cc | Diesel | 48.7 mpg | 5.8 | 150 | 2018 |
| A6 Saloon 50 TDI quattro 286PS 8-speed Tiptronic with 21'' wheels · A8 · 2967 cc | Diesel | 48.7 mpg | 5.8 | 150 | 2018 |
| A6 Avant 50 TDI quattro 286PS 8-speed Tiptronic with 20'' wheels · A8 · 2967 cc | Diesel | 47.9 mpg | 5.9 | 155 | 2018 |
| A6 Avant 50 TDI quattro 286PS 8-speed Tiptronic with 21'' wheels · A8 · 2967 cc | Diesel | 47.9 mpg | 5.9 | 155 | 2018 |
| A6 Allroad 3.0 TDI quattro V6 218PS 7-speed S-tronic · QD7 · 2967 cc | Diesel | 47.1 mpg | 6.0 | 155 | 2018 |
| A6 Saloon 3.0 BiTDI quattro V6 320PS 8-speed Tiptronic 17'' & 18'' wheels · QA8 · 2967 cc | Diesel | 47.1 mpg | 6.0 | 159 | 2017–2018 |
| A6 Saloon 3.0 BiTDI quattro V6 320PS 8-speed Tiptronic 19'' wheels · QA8 · 2967 cc | Diesel | 46.3 mpg | 6.1 | 161 | 2017–2018 |
| A6 Avant 3.0 BiTDI quattro V6 320PS 8-speed Tiptronic 17'' & 18'' wheels · QA8 · 2967 cc | Diesel | 45.6 mpg | 6.2 | 164 | 2017–2018 |
| A6 Saloon 3.0 BiTDI quattro V6 320PS 8-speed Tiptronic 20'' wheels · QA8 · 2967 cc | Diesel | 45.6 mpg | 6.2 | 164 | 2017–2018 |
| A6 Avant 3.0 BiTDI quattro V6 320PS 8-speed Tiptronic 19'' wheels · QA8 · 2967 cc | Diesel | 44.8 mpg | 6.3 | 166 | 2017–2018 |
| A6 Avant 3.0 BiTDI quattro V6 320PS 8-speed Tiptronic 20'' wheels · QA8 · 2967 cc | Diesel | 44.1 mpg | 6.4 | 169 | 2017–2018 |
| A6 Allroad 3.0 BiTDI quattro V6 320PS 8-speed Tiptronic · QA8 · 2967 cc | Diesel | 43.5 mpg | 6.5 | 172 | 2017–2018 |
| A6 Saloon 1.8 TFSI 190PS 7speed S-tronic 17'' wheels · D7 · 1798 cc | Petrol | 50.4 mpg | 5.6 | 130 | 2018 |
| A6 Avant 1.8 TFSI 190PS 7speed S-tronic 17'' wheels · D7 · 1798 cc | Petrol | 49.6 mpg | 5.7 | 134 | 2018 |
| A6 Saloon 1.8 TFSI 190PS 7speed S-tronic 18'' wheels · D7 · 1798 cc | Petrol | 49.6 mpg | 5.7 | 133 | 2018 |
| A6 Saloon 1.8 TFSI 190PS 7speed S-tronic 19'' wheels · D7 · 1798 cc | Petrol | 48.7 mpg | 5.8 | 134 | 2018 |
| A6 Avant 1.8 TFSI 190PS 7speed S-tronic 18'' wheels · D7 · 1798 cc | Petrol | 47.9 mpg | 5.9 | 137 | 2018 |
| A6 Avant 1.8 TFSI 190PS 7speed S-tronic 19'' wheels · D7 · 1798 cc | Petrol | 47.9 mpg | 5.9 | 139 | 2018 |
| A6 Saloon 1.8 TFSI 190PS 7speed S-tronic 20'' wheels · D7 · 1798 cc | Petrol | 47.9 mpg | 5.9 | 138 | 2018 |
| A6 Avant 1.8 TFSI 190PS 7speed S-tronic 20'' wheels · D7 · 1798 cc | Petrol | 47.1 mpg | 6.0 | 142 | 2018 |
| A6 Saloon 2.0 TFSI quattro 252PS 7speed S-tronic 17'' wheels · D7 · 1984 cc | Petrol | 42.2 mpg | 6.7 | 153 | 2018 |
| A6 Saloon 2.0 TFSI quattro 252PS 7speed S-tronic 18'' wheels · D7 · 1984 cc | Petrol | 42.2 mpg | 6.7 | 153 | 2018 |
| A6 Saloon 2.0 TFSI quattro 252PS 7speed S-tronic 19'' wheels · D7 · 1984 cc | Petrol | 41.5 mpg | 6.8 | 154 | 2018 |
| A6 Avant 2.0 TFSI quattro 252PS 7speed S-tronic 17'' wheels · D7 · 1984 cc | Petrol | 40.9 mpg | 6.9 | 157 | 2018 |
| A6 Avant 2.0 TFSI quattro 252PS 7speed S-tronic 18'' wheels · D7 · 1984 cc | Petrol | 40.9 mpg | 6.9 | 158 | 2018 |
| A6 Saloon 2.0 TFSI quattro 252PS 7speed S-tronic 20'' wheels · D7 · 1984 cc | Petrol | 40.9 mpg | 6.9 | 158 | 2018 |
| A6 Avant 2.0 TFSI quattro 252PS 7speed S-tronic 19'' wheels · D7 · 1984 cc | Petrol | 40.4 mpg | 7.0 | 159 | 2018 |
| A6 Avant 2.0 TFSI quattro 252PS 7speed S-tronic 20'' wheels · D7 · 1984 cc | Petrol | 39.8 mpg | 7.1 | 163 | 2018 |
| A6 Saloon S6 4.0 TFSI quattro V8 450PS 7speed S-tronic 19'' wheels · QD7 · 3993 cc | Petrol | 39.7 mpg | 9.2 | 214 | 2017–2018 |
| A6 Avant S6 4.0 TFSI quattro V8 450PS 7speed S-tronic 19'' wheels · QD7 · 3993 cc | Petrol | 30.1 mpg | 9.4 | 219 | 2017–2018 |
| A6 Saloon S6 4.0 TFSI quattro V8 450PS 7speed S-tronic 20'' wheels · QD7 · 3993 cc | Petrol | 30.1 mpg | 9.4 | 218 | 2017–2018 |
| A6 Avant S6 4.0 TFSI quattro V8 450PS 7speed S-tronic 20'' wheels · QD7 · 3993 cc | Petrol | 29.4 mpg | 9.6 | 224 | 2017–2018 |
| A6 Saloon 2.0 TDI Ultra 190PS 7speed S-tronic 17'' wheels · D7 · 1968 cc | Diesel | 67.3 mpg | 4.2 | 110 | 2017 |
| A6 Saloon 2.0 TDI Ultra 190PS 7speed S-tronic 18'' wheels · D7 · 1968 cc | Diesel | 67.3 mpg | 4.2 | 110 | 2017 |
| A6 Saloon 2.0 TDI Ultra 190PS 7speed S-tronic 19'' wheels · D7 · 1968 cc | Diesel | 65.7 mpg | 4.3 | 113 | 2017 |
| A6 Avant 2.0 TDI Ultra 190PS 7speed S-tronic 17'' wheels · D7 · 1968 cc | Diesel | 64.2 mpg | 4.4 | 114 | 2017 |
| A6 Avant 2.0 TDI Ultra 190PS 7speed S-tronic 18'' wheels · D7 · 1968 cc | Diesel | 64.2 mpg | 4.4 | 115 | 2017 |
| A6 Saloon 2.0 TDI Ultra 190PS 7speed S-tronic 20'' wheels · D7 · 1968 cc | Diesel | 64.2 mpg | 4.4 | 116 | 2017 |
| A6 Avant 2.0 TDI Ultra 190PS 7speed S-tronic 19'' wheels · D7 · 1968 cc | Diesel | 62.8 mpg | 4.5 | 118 | 2017 |
| A6 Avant 2.0 TDI Ultra 190PS 7speed S-tronic 20'' wheels · D7 · 1968 cc | Diesel | 61.4 mpg | 4.6 | 121 | 2017 |
| A6 Saloon 2.0 TDI quattro 190PS 7speed S-tronic 17'' & 18'' wheels · QD7 · 1968 cc | Diesel | 57.6 mpg | 4.9 | 128 | 2017 |
| A6 Saloon 2.0 TDI quattro 190PS 7speed S-tronic 19'' wheels · QD7 · 1968 cc | Diesel | 57.6 mpg | 4.9 | 129 | 2017 |
| A6 Saloon 2.0 TDI quattro 190PS 7speed S-tronic 20'' wheels · QD7 · 1968 cc | Diesel | 56.5 mpg | 5.0 | 133 | 2017 |
| A6 Avant 2.0 TDI quattro 190PS 7speed S-tronic 17'' wheels · QD7 · 1968 cc | Diesel | 55.4 mpg | 5.1 | 132 | 2017 |
| A6 Avant 2.0 TDI quattro 190PS 7speed S-tronic 18'' wheels · QD7 · 1968 cc | Diesel | 55.4 mpg | 5.1 | 133 | 2017 |
| A6 Avant 2.0 TDI quattro 190PS 7speed S-tronic 19'' wheels · QD7 · 1968 cc | Diesel | 55.4 mpg | 5.1 | 134 | 2017 |
| A6 Avant 2.0 TDI quattro 190PS 7speed S-tronic 20'' wheels · QD7 · 1968 cc | Diesel | 54.3 mpg | 5.2 | 138 | 2017 |
| A6 Allroad 3.0 TDI quattro V6 218PS 7-speed S-tronic · QD7 · 2967 cc | Diesel | 49.6 mpg | 5.7 | 149 | 2017 |
| A6 Saloon 2.0 TDI Ultra 190PS S tronic Stop-Start with 17'' wheels · D7 · 1968 cc | Diesel | 67.3 mpg | 4.2 | 109 | 2015–2016 |
| A6 Saloon 2.0 TDI Ultra 190PS S tronic Stop-Start with 18'' wheels · D7 · 1968 cc | Diesel | 67.3 mpg | 4.2 | 110 | 2015–2016 |
| A6 Saloon 2.0 TDI Ultra 190PS S tronic Stop-Start with 19'' wheels · D7 · 1968 cc | Diesel | 65.7 mpg | 4.3 | 113 | 2015–2016 |
| A6 Saloon 2.0 TDI Ultra 190PS Stop-Start with 17'' wheels · M6 · 1968 cc | Diesel | 65.7 mpg | 4.3 | 113 | 2015–2016 |
| A6 Avant 2.0 TDI Ultra 190PS S tronic Stop-Start 17'' wheels · D7 · 1968 cc | Diesel | 64.2 mpg | 4.4 | 114 | 2015–2016 |
| A6 Avant 2.0 TDI Ultra 190PS S tronic Stop-Start 18'' wheels · D7 · 1968 cc | Diesel | 64.2 mpg | 4.4 | 115 | 2015–2016 |
| A6 Saloon 2.0 TDI Ultra 190PS S tronic Stop-Start with 20'' wheels · D7 · 1968 cc | Diesel | 64.2 mpg | 4.4 | 116 | 2015–2016 |
| A6 Saloon 2.0 TDI Ultra 190PS Stop-Start with 18'' wheels · M6 · 1968 cc | Diesel | 64.2 mpg | 4.4 | 114 | 2015–2016 |
| A6 Saloon 2.0 TDI Ultra 190PS Stop-Start with 19'' wheels · M6 · 1968 cc | Diesel | 64.2 mpg | 4.4 | 116 | 2015–2016 |
| A6 Saloon 3.0 V6 TDI 218PS 7speed S tronic 17'' wheels · D7 · 2967 cc | Diesel | 64.2 mpg | 4.4 | 114 | 2016 |
| A6 Saloon 3.0 V6 TDI 218PS 7speed S tronic 18'' wheels · D7 · 2967 cc | Diesel | 64.2 mpg | 4.4 | 114 | 2016 |
| A6 Saloon 3.0 V6 TDI 218PS 7speed S tronic 19'' wheels · D7 · 2967 cc | Diesel | 64.2 mpg | 4.4 | 116 | 2016 |
| A6 Avant 2.0 TDI Ultra 190PS S tronic Stop-Start 19'' wheels · D7 · 1968 cc | Diesel | 62.8 mpg | 4.5 | 118 | 2015–2016 |
| A6 Avant 2.0 TDI Ultra 190PS Stop-Start 17'' wheels · M6 · 1968 cc | Diesel | 62.8 mpg | 4.5 | 118 | 2015–2016 |
| A6 Avant 3.0 V6 TDI 218PS 7speed S tronic 17'' wheels · D7 · 2967 cc | Diesel | 62.8 mpg | 4.5 | 117 | 2016 |
| A6 Avant 3.0 V6 TDI 218PS 7speed S tronic 18'' wheels · D7 · 2967 cc | Diesel | 62.8 mpg | 4.5 | 117 | 2016 |
| A6 Avant 3.0 V6 TDI 218PS 7speed S tronic 19'' wheels · D7 · 2967 cc | Diesel | 62.8 mpg | 4.5 | 119 | 2016 |
| A6 Saloon 2.0 TDI Ultra 190PS Stop-Start with 20'' wheels · M6 · 1968 cc | Diesel | 62.8 mpg | 4.5 | 119 | 2015–2016 |
| A6 Saloon 3.0 V6 TDI 218PS 7speed S tronic 20'' wheels · D7 · 2967 cc | Diesel | 62.8 mpg | 4.5 | 119 | 2016 |
| A6 Avant 2.0 TDI Ultra 190PS S tronic Stop-Start 20'' wheels · D7 · 1968 cc | Diesel | 61.4 mpg | 4.6 | 121 | 2015–2016 |
| A6 Avant 2.0 TDI Ultra 190PS Stop-Start 18'' wheels · M6 · 1968 cc | Diesel | 61.4 mpg | 4.6 | 119 | 2015–2016 |
| A6 Avant 2.0 TDI Ultra 190PS Stop-Start 19'' wheels · M6 · 1968 cc | Diesel | 61.4 mpg | 4.6 | 121 | 2015–2016 |
| A6 Avant 3.0 V6 TDI 218PS 7speed S tronic 20'' wheels · D7 · 2967 cc | Diesel | 61.4 mpg | 4.6 | 122 | 2016 |
| A6 Avant 2.0 TDI Ultra 190PS Stop-Start 20'' wheels · M6 · 1968 cc | Diesel | 60.1 mpg | 4.7 | 124 | 2015–2016 |
| A6 Saloon 2.0 TDI quattro 190PS S tronic Stop-Start with 17'' wheels · QD7 · 1968 cc | Diesel | 57.6 mpg | 4.9 | 128 | 2016 |
| A6 Saloon 2.0 TDI quattro 190PS S tronic Stop-Start with 18'' wheels · QD7 · 1968 cc | Diesel | 57.6 mpg | 4.9 | 128 | 2016 |
| A6 Saloon 2.0 TDI quattro 190PS S tronic Stop-Start with 19'' wheels · QD7 · 1968 cc | Diesel | 57.6 mpg | 4.9 | 129 | 2016 |
| A6 Saloon 2.0 TDI quattro 190PS S tronic Stop-Start with 20'' wheels · QD7 · 1968 cc | Diesel | 56.5 mpg | 5.0 | 133 | 2016 |
| A6 Saloon 3.0 V6 TDI quattro 218PS 7speed S tronic 17'' wheels · QD7 · 2967 cc | Diesel | 56.5 mpg | 5.0 | 128 | 2016 |
| A6 Saloon 3.0 V6 TDI quattro 218PS 7speed S tronic 18'' wheels · QD7 · 2967 cc | Diesel | 56.5 mpg | 5.0 | 128 | 2016 |
| A6 Saloon 3.0 V6 TDI quattro 218PS 7speed S tronic 19'' wheels · QD7 · 2967 cc | Diesel | 56.5 mpg | 5.0 | 131 | 2016 |
| A6 Avant 2.0 TDI quattro 190PS S tronic Stop-Start 17'' wheels · QD7 · 1968 cc | Diesel | 55.4 mpg | 5.1 | 132 | 2016 |
| A6 Avant 2.0 TDI quattro 190PS S tronic Stop-Start 18'' wheels · QD7 · 1968 cc | Diesel | 55.4 mpg | 5.1 | 133 | 2016 |
| A6 Avant 2.0 TDI quattro 190PS S tronic Stop-Start 19'' wheels · QD7 · 1968 cc | Diesel | 55.4 mpg | 5.1 | 134 | 2016 |
| A6 Avant 3.0 V6 TDI quattro 218PS 7speed S tronic 17'' wheels · QD7 · 2967 cc | Diesel | 55.4 mpg | 5.1 | 134 | 2016 |
| A6 Avant 3.0 V6 TDI quattro 218PS 7speed S tronic 18'' wheels · QD7 · 2967 cc | Diesel | 55.4 mpg | 5.1 | 134 | 2016 |
| A6 Saloon 3.0 V6 TDI quattro 218PS 7speed S tronic 20'' wheels · QD7 · 2967 cc | Diesel | 55.4 mpg | 5.1 | 134 | 2016 |
| A6 Saloon 3.0 V6 TDI quattro 272PS 7speed S tronic 17'' wheels · QD7 · 2967 cc | Diesel | 55.4 mpg | 5.0 | 133 | 2015–2016 |
| A6 Saloon 3.0 V6 TDI quattro 272PS 7speed S tronic 18'' wheels · QD7 · 2967 cc | Diesel | 55.4 mpg | 5.1 | 133 | 2015–2016 |
| A6 Saloon 3.0 V6 TDI quattro 272PS 7speed S tronic 19'' wheels · QD7 · 2967 cc | Diesel | 55.4 mpg | 5.1 | 135 | 2015–2016 |
| A6 Avant 2.0 TDI quattro 190PS S tronic Stop-Start 20'' wheels · QD7 · 1968 cc | Diesel | 54.3 mpg | 5.2 | 138 | 2016 |
| A6 Avant 3.0 V6 TDI quattro 218PS 7speed S tronic 19'' wheels · QD7 · 2967 cc | Diesel | 54.3 mpg | 5.2 | 136 | 2016 |
| A6 Saloon 3.0 V6 TDI quattro 272PS 7speed S tronic 20'' wheels · QD7 · 2967 cc | Diesel | 54.3 mpg | 5.2 | 138 | 2015–2016 |
| A6 Avant 3.0 V6 TDI quattro 218PS 7speed S tronic 20'' wheels · QD7 · 2967 cc | Diesel | 53.3 mpg | 5.3 | 139 | 2016 |
| A6 Avant 3.0 V6 TDI quattro 272PS 7speed S tronic 17'' wheels · QD7 · 2967 cc | Diesel | 53.3 mpg | 5.3 | 138 | 2015–2016 |
| A6 Avant 3.0 V6 TDI quattro 272PS 7speed S tronic 18'' wheels · QD7 · 2967 cc | Diesel | 53.3 mpg | 5.3 | 138 | 2015–2016 |
| A6 Avant 3.0 V6 TDI quattro 272PS 7speed S tronic 19'' wheels · QD7 · 2967 cc | Diesel | 53.3 mpg | 5.3 | 140 | 2015–2016 |
| A6 Avant 3.0 V6 TDI quattro 272PS 7speed S tronic 20'' wheels · QD7 · 2967 cc | Diesel | 52.3 mpg | 5.4 | 144 | 2015–2016 |
| A6 Allroad 3.0 V6 TDI quattro 218PS 7speed S tronic · QD7 · 2967 cc | Diesel | 51.4 mpg | 5.5 | 145 | 2016 |
| A6 Allroad 3.0 V6 TDI quattro 272PS 7speed S tronic · QD7 · 2967 cc | Diesel | 50.4 mpg | 5.6 | 149 | 2015–2016 |
| A6 Saloon 3.0 V6 BiTDI quattro 320PS 8speed Tiptronic 17'' wheels · QA8 · 2967 cc | Diesel | 47.1 mpg | 6.0 | 159 | 2016 |
| A6 Saloon 3.0 V6 BiTDI quattro 320PS 8speed Tiptronic 18'' wheels · QA6 · 2967 cc | Diesel | 47.1 mpg | 6.0 | 159 | 2016 |
| A6 Saloon 3.0 V6 BiTDI quattro 320PS 8speed Tiptronic 19'' wheels · QA8 · 2967 cc | Diesel | 46.3 mpg | 6.1 | 161 | 2016 |
| A6 Avant 3.0 V6 BiTDI quattro 320PS 8speed Tiptronic 17'' wheels · QD8 · 2967 cc | Diesel | 45.6 mpg | 6.2 | 164 | 2016 |
| A6 Avant 3.0 V6 BiTDI quattro 320PS 8speed Tiptronic 18'' wheels · QD8 · 2967 cc | Diesel | 45.6 mpg | 6.2 | 164 | 2016 |
| A6 Saloon 3.0 V6 BiTDI quattro 320PS 8speed Tiptronic 20'' wheels · QA6 · 2967 cc | Diesel | 45.6 mpg | 6.2 | 164 | 2016 |
| A6 Avant 3.0 V6 BiTDI quattro 320PS 8speed Tiptronic 19'' wheels · QD8 · 2967 cc | Diesel | 44.8 mpg | 6.3 | 166 | 2016 |
| A6 Avant 3.0 V6 BiTDI quattro 320PS 8speed Tiptronic 20'' wheels · QD8 · 2967 cc | Diesel | 44.1 mpg | 6.4 | 169 | 2016 |
| A6 Allroad 3.0 V6 BiTDI quattro 320PS 8speed Tiptronic · QA8 · 2967 cc | Diesel | 43.5 mpg | 6.5 | 172 | 2016 |
| A6 Saloon 2.0 TFSI Hybrid 210PS 8speed Tiptronic · A8 · 1984 cc | Hybrid | 45.6 mpg | 6.2 | 145 | 2015–2016 |
| A6 Saloon S6 4.0 V8 TFSI quattro 450PS 7speed S tronic with 19'' wheels · QD7 · 3993 cc | Petrol | 30.7 mpg | 9.2 | 214 | 2015–2016 |
| A6 Avant S6 4.0 V8 TFSI quattro 450PS 7speed S tronic with 19'' wheels · QD7 · 3993 cc | Petrol | 30.1 mpg | 9.4 | 219 | 2015–2016 |
| A6 Saloon S6 4.0 V8 TFSI quattro 450PS 7speed S tronic with 20'' wheels · QD7 · 3993 cc | Petrol | 30.1 mpg | 9.4 | 218 | 2015–2016 |
| A6 Avant S6 4.0 V8 TFSI quattro 450PS 7speed S tronic with 20'' wheels · QD7 · 3993 cc | Petrol | 29.4 mpg | 9.6 | 224 | 2015–2016 |
Source: Vehicle Certification Agency (VCA), Car Fuel Data — official data download (lists 2000–2026, downloaded 2026-10-22). © Crown copyright, reused under the licence published for this dataset on data.gov.uk (Creative Commons Attribution). Data processed by us (duplicates merged, model names tidied); the VCA is not responsible for our use of it. The VCA states that figures are supplied by manufacturers, may not be achieved in real-world driving, and are used at the user's own risk.