2017 Audi

A6 quattro

Auto (S8), 6 cyl, 3.0 L, Sup Charg

Audi A6: best and worst years

Overview

Body: Midsize CarsEPA, from EPA, last updated 6/11/2026
Drivetrain: All-Wheel DriveEPA, from EPA, last updated 6/11/2026
Transmission: Automatic (S8)EPA, from EPA, last updated 6/11/2026
Powertrain: GasEPA, from EPA, last updated 6/11/2026
Fuel: PremiumEPA, from EPA, last updated 6/11/2026

Engine & performance

HP: 340
Power to weight: 0.086 hp/lb
Axle ratio: 2.85
Cyl: 6EPA, from EPA, last updated 6/11/2026
Aspiration: SuperchargedEPA, from EPA, last updated 6/11/2026
Start-stop system: YesEPA, from EPA, last updated 6/11/2026

Efficiency

MPG Hwy: 29 mpgEPA, from EPA, last updated 6/11/2026
MPG City: 21 mpgEPA, from EPA, last updated 6/11/2026
MPG Comb: 24 mpgEPA, from EPA, last updated 6/11/2026
Fuel $/yr: $3,200EPA, from EPA, last updated 6/11/2026
CO₂: 376 g/miEPA, from EPA, last updated 6/11/2026
Eco Score: 5/10EPA, from EPA, last updated 6/11/2026
Smog score: 6/10
Elec. Range: 0 miEPA, from EPA, last updated 6/11/2026
SmartWay certified: No

Dimensions & capacity

Length: 194 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Width: 74 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Height: 57 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Wheelbase: 115 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Curb Weight: 3,957 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Pass. Vol: 98 ft³EPA, from EPA, last updated 6/11/2026
Cargo Vol: 16 ft³EPA, from EPA, last updated 6/11/2026

Safety NHTSA, model year

Overall crash rating: ★★★★★
Rollover rating: ★★★★★
Stability control (ESC): Standard
Forward-collision warning: Optional
Lane-departure warning: No
Recalls: 3
Owner complaints: 19

Feature availability

Which features come standard, cost extra, or are locked to a pricier trim arrives with the next data phase. Standard equipment shows here today.

Standard

Reported problems NHTSA owner complaints, model year

AIR BAGS27%
ENGINE18%
STEERING18%
ELECTRICAL SYSTEM9%
LANE DEPARTURE9%
UNKNOWN OR OTHER9%

Source: NHTSA owner complaints, 22 total.

Audi A6: best and worst years

Known issues manufacturer service bulletins, model year

684 service bulletins filed with NHTSA for this model year

May 28, 2026POWER TRAINTSB_2074806_5
This bulletin provides information when there are noises after selecting a ear while idling and the vehicle is stationary, or while driving.
May 26, 2026UNKNOWN OR OTHERAOS-26-25
This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct the issue: The ODIS Audi Brand update 2.41.1 is setting a ODS5003E error code when you perform the 90TV SVM flash.
May 22, 2026ELECTRICAL SYSTEMTSB_2080517_4
This bulletin provides informaiotn when the starter battery is discharged or defective.
May 6, 2026POWER TRAINTSB_2074808_4
The high-voltage batteries in electric vehicles are subject to various ageing effects which could lead to the energy content (energy density) being reduced. This reduction in the energy content, which is due to factors. Revised header. Added Model years
Apr 30, 2026ELECTRICAL SYSTEMTSB_2080517_3
This bulletin provides informaiotn when the starter battery is discharged or defective.
Apr 30, 2026UNKNOWN OR OTHERTSB_2022032_12
This bulletin provides diagnostic information for the vehicle locking system.
Apr 22, 2026UNKNOWN OR OTHERTSB_2070568_6
This bulletin provides information about professional noise analysis with the VAS 611 015 PICO-NVH tool
Mar 27, 2026UNKNOWN OR OTHERTSB_2081531_1
This Reporting obligation requests that technicians contact the Technical Assistance Center (TAC) when the diagnostic tester refers to this reportin gobligation or to TPI 2033392.
and 676 more

Source: NHTSA manufacturer communications (technical service bulletins).

Warranty manufacturer terms, by make

Basic: 4 yr / 50k mi
Powertrain: 4 yr / 50k mi
Roadside assistance: 4 yr
Maintenance: 3 yr / 30k mi
EV battery: 8 yr / 100k mi

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.