Research · Midsize Station Wagons

2021 Audi RS 6 AvantRecalls, problems, MPG & safety

NHTSA lists 2 safety recalls and 4 owner complaints for the 2021 Audi RS 6 Avant. Most complaints involve electrical system (3) and visibility/wiper (1). The EPA rates it 17 mpg combined.

Combined MPG
17mpg
EPA · 1 version
NHTSA overall
—
Not rated by NCAP
Safety recalls
2campaigns
Latest Dec 2025
Owner complaints
4
Top: electrical system
Fuel cost / yr
$4,400est.
EPA estimate, best version
01 —Recalls

Safety recalls

2 NHTSA campaigns · applies to some vehicles, check your VIN

Back over prevention: camera

Free remedy

Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2026 vehicles. Please see the recall report for a complete list of models. A software error may prevent the rearview camera image from displaying as intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

Back over preventionReported Dec 20, 2025NHTSA 25V900000

Electrical system: instrument cluster

Free remedy

Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 SQ8, A6 SEDAN, A7, A8, Q7, Q8, RS6 Avant, RS7, RSQ8, S6 SEDAN, S7, S8, A6 Allroad, and SQ7 vehicles. Due to a software error, the instrument panel display may fail.

Electrical systemReported Mar 31, 2025NHTSA 25V201000
Data from NHTSA Recalls API · synced Nov 11, 2026 · All recall detailsNHTSA vehicle page
02 —Complaints

Owner complaints by component

4 complaints filed with NHTSA · Jul 2022 – Jan 2025
  1. Electrical system3
  2. Visibility/wiper1
  3. Forward collision avoidance1
  4. Steering1
  5. Power train1

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

By model year

Complaints for each RS 6 Avant model year we’ve synced.

View as table
Model yearNHTSA complaints
20214
20242
20251
Crashes reported
0
Fires reported
0
Injuries reported
0
Deaths reported
0
Data from NHTSA Complaints API · synced Nov 11, 2026NHTSA vehicle page
03 —Common problems

What owners report most

Verbatim excerpts from NHTSA complaints, by component

Electrical system

3 reports
“Loss of electrical power while cruising on the interstate at 65 mph. There was a series of warning messages, YELLOW colored malfunctions such as "Sport differential malfunction", "electric system malfunction". Then RED colored warning message "Electric system: Malfunction! Safely stop vehicle." At this point, engine was running but was no longer connected to the transmission, Power steering failed. All I could do was coast to the shoulder and stop. Car would not restart. Appeared to be a complete electrical failure, e.g., could not raise or lower windows.”
Owner complaint to NHTSAFiled Nov 13, 2023Steering, Power train, Electrical systemODI 11554925

Visibility/wiper

1 report
“The rear camera on the car repeatedly does not work. The car has been to the dealership for replacement parts several times with the problem recurring. The rear camera does not work most days. In addition, the other cameras have failed repeatedly resulting in safety systems such as automatic collision sensors working and not-working randomly when driving the vehicle.”
Owner complaint to NHTSAFiled Jan 17, 2025Visibility/wiper, Forward collision avoidanceODI 11636422

Forward collision avoidance

1 report
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 11, 2026
04 —Key specs

Engines, transmissions & drive

1 version rated by the EPA
EPA class
Midsize Station Wagons
Engines
4.0L 8-cyl turbo hybrid
Transmissions
Automatic (S8)
Drive
All-Wheel Drive
Fuel
Premium Gasoline

Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.

Data from EPA fueleconomy.gov · synced Nov 11, 2026EPA listing
05 —Fuel economy

EPA fuel economy by version

City / highway / combined, annual fuel cost and CO₂
EPA
VersionCityHwyComb.Fuel / yrCO₂ g/mi
RS 6 Avant
Auto (S8), 8 cyl, 4.0 L, Turbo · All-Wheel Drive
152217$4,400514
  • RS 6 Avant
    Auto (S8), 8 cyl, 4.0 L, Turbo
    15 city · 22 hwy · $4,400/yr
    17
    mpg comb.
Data from EPA fueleconomy.gov · synced Nov 11, 2026 · Fuel cost is EPA’s annual estimate (15,000 mi, 55% city)
06 —Safety

NHTSA 5-Star Safety Ratings

1 tested variant
NHTSA has not published 5-Star Safety Ratings for the 2021 Audi RS 6 Avant as of Nov 11, 2026.
Data from NHTSA NCAP Safety Ratings API · synced Nov 11, 2026Vehicle 15597
07 —Maintenance

Maintenance basics

General guidance, not the OEM schedule. Check your owner’s manual.
General guidance
ItemMilesTimeNote
Engine oil & filter5,000–10,000 mi6–12 monthsFollow the oil-life monitor if fitted
Tire rotation5,000–7,500 miEvery oil changeCheck pressure monthly
Engine air filter15,000–30,000 mi1–2 yearsSooner in dusty areas
Cabin air filter15,000–25,000 mi1–2 years
Brake fluid—2–3 yearsAbsorbs moisture over time
Coolant60,000–100,000 mi5–10 yearsLong-life coolants last longer
Spark plugs60,000–100,000 mi—Iridium/platinum plugs at the long end
12V battery—3–5 yearsHeat shortens battery life
  • Engine oil & filter5,000–10,000 mi
    6–12 months
  • Tire rotation5,000–7,500 mi
    Every oil change
  • Engine air filter15,000–30,000 mi
    1–2 years
  • Cabin air filter15,000–25,000 mi
    1–2 years
  • Brake fluid—
    2–3 years
  • Coolant60,000–100,000 mi
    5–10 years
  • Spark plugs60,000–100,000 mi
    —
  • 12V battery—
    3–5 years
Typical intervals for modern cars. Severe service (towing, short trips, extreme heat or cold) shortens them.
09 —FAQ

2021 RS 6 Avant questions

How many recalls does the 2021 Audi RS 6 Avant have?

2 safety recalls as of Nov 11, 2026, according to NHTSA. Recall repairs are free at a dealer. Check your VIN to see whether your car is included and whether the repair was done.

What are the most common 2021 Audi RS 6 Avant problems?

Owners filed 4 complaints with NHTSA. The most-cited components are electrical system (3), visibility/wiper (1), forward collision avoidance (1). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.

What MPG does the 2021 Audi RS 6 Avant get?

The EPA rates the 2021 Audi RS 6 Avant at 17 mpg combined, depending on engine and drivetrain (1 version rated).

Data from NHTSA & EPA · synced Nov 11, 2026