Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2026 RS6 Avant.
The 2026 Audi RS6 Avant continues the high-performance wagon brief with its standard eight-speed automatic (S8) transmission and an EPA fuel economy rating of 14 mpg city, 21 mpg highway, and 16 mpg combined — figures that reflect the inherent efficiency compromise of a performance-oriented Avant. As the current iteration of Audi's flagship fast-wagon, it carries forward the formula that pairs serious daily usability with elevated mechanical output, and the latest model year leans into that dual-purpose positioning in its standard powertrain calibration. From a reliability standpoint, this model year is shaping up to be a notably clean entry in the lineup: only four owner complaints have been logged across the power train, electrical system, and fuel/propulsion system categories, with zero recalls on file. For researchers and prospective buyers, that places the 2026 model year among the quietest iterations in the RS6 Avant's recent history, suggesting an early ownership experience unburdened by the systemic defect patterns that have occasionally shadowed earlier generations of the nameplate.
Fluid capacities, tune-up values and fuel economy at a glance.
Engine, drivetrain, dimensions and economy.
| Transmission | Automatic (S8) |
| EPA city / highway / combined | 14 / 21 / 16 mpg |
| Drivetrain | All-Wheel Drive |
| Passenger volume | 101 cu ft |
| Cargo volume | 30 cu ft |
| Recommended fuel | Premium Gasoline |
Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.
Owner complaints about the 2026 Audi RS6 Avant lead in one area — the power train,electrical system,fuel/propulsion system, 1 of 4 reports (25%), well ahead of the next concern. NHTSA has issued no recalls for this vehicle, so these are owner-reported concerns only. 0 of the reports describe a crash and 0 a fire — a small share of the total, but worth weighing against the power train,electrical system,fuel/propulsion system pattern above. These are tallies of what owners actually reported to the federal government, not an editorial score — and higher-selling models naturally rack up more reports.
All 4 complaints on record, top 4 components.
Source: NHTSA Office of Defects Investigation complaint database.
No recall campaigns on record with NHTSA for this vehicle as of the last data refresh.
Showing 5 of 170 bulletins on record with NHTSA.
| Bulletin | Date | Component | Summary |
|---|---|---|---|
| TSB_2082555_1 | 2026-06-29 | Electrical System | This bulletin provides informaiotn when there are functional issues with connect services |
| TSB_2082555_2 | 2026-06-29 | Electrical System | This bulletin provides informaiotn when there are functional issues with connect services |
| TSB_2074640_3 | 2026-06-26 | Engine | This bulletin provides information when there is increased oil consumption; >0.5ltr/1000… |
| TSB_2077331_5 | 2026-06-25 | Electrical System | This bulletin provides information when Digital Key activation cannot be completed with… |
| TSB_2082501_1 | 2026-06-24 | Electrical System | This bulletin provides information when Apple CarPlay/Android Auto remains black after… |
The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.
Decode factory build data for a specific vehicle by VIN.
Cross-vehicle references for the kinds of data on this page.
NHTSA lists 0 recall campaign(s) for this model year. Check your specific vehicle by VIN.
EPA figures are 14 city / 21 highway / 16 combined mpg.