Photo may show a different model year; you're viewing the 2021.
Overview
- Body
- Compact CarsEPA, from EPA, last updated 6/22/2026
- Drivetrain
- All-Wheel DriveEPA, from EPA, last updated 6/22/2026Audi calls it quattro.
- Transmission
- Automatic (S8)EPA, from EPA, last updated 6/22/2026
- Powertrain
- GasEPA, from EPA, last updated 6/22/2026
- Fuel
- PremiumEPA, from EPA, last updated 6/22/2026
Engine & performance
- Power to weight
- 0.091 hp/lb
- Aspiration
- TurbochargedEPA, from EPA, last updated 6/22/2026
- Start-stop system
- YesEPA, from EPA, last updated 6/22/2026
Efficiency
- MPG Hwy
- 28 mpgEPA, from EPA, last updated 6/22/2026
- MPG City
- 20 mpgEPA, from EPA, last updated 6/22/2026
- MPG Comb
- 23 mpgEPA, from EPA, last updated 6/22/2026
- Fuel $/yr
- $3,350EPA, from EPA, last updated 6/22/2026
- CO₂
- 380 g/miEPA, from EPA, last updated 6/22/2026
- Eco Score
- 5/10EPA, from EPA, last updated 6/22/2026
- Smog score
- 5/10
- Elec. Range
- 0 miEPA, from EPA, last updated 6/22/2026
- SmartWay certified
- No
Dimensions & capacity
- Wheelbase
- 111 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
- Curb Weight
- 3,854 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
- Wheel size
- 18 inNHTSA vPIC, from NHTSA vPIC, last updated 10/13/2026
- GVWR class
- Class 1D (5,001 to 6,000 lb)NHTSA vPIC, from NHTSA vPIC, last updated 10/13/2026
- Pass. Vol
- 92 ft³EPA, from EPA, last updated 6/22/2026
- Cargo Vol
- 12 ft³EPA, from EPA, last updated 6/22/2026
Safety NHTSA record NHTSA, model year
- Rollover rating
- ★★★★★
- Stability control (ESC)
- Standard
- Forward-collision warning
- Standard
- Lane-departure warning
- Standard
- Recalls
- 4
- Owner complaints
- 2 See on NHTSA
Feature availability
Cameras & visibility
- Backup cameraStandard
Driver assist
- Automatic emergency brakingPart of Audi pre sense.Standard
Convenience
- Push-button startStandard
Reported problems NHTSA record NHTSA owner complaints, model year
- ELECTRICAL SYSTEM50%
- UNKNOWN OR OTHER50%
Source: NHTSA owner complaints, 2 total.
Audi S4: best and worst yearsKnown issues manufacturer service bulletins, model year
863 service bulletins filed with NHTSA for this model year
May 27, 2026POWER TRAINTSB_2059057_14
This bulletin provides informatin when there is binding or vibrations in tight turns with quattro Ultra.
May 26, 2026ENGINETSB_2082103_2
This bulletin provides informion when there is intermittently no start when using start/stop.
May 26, 2026ENGINETSB_2082103_1
This TSB replaces Pending Service Solution (PSS) TSB 2076267: 01 PSS Engine: Starter - intermittently no restart after start stop - V6 TFS/; P06E900, P060A00.
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 20, 2026ELECTRICAL SYSTEMTSB_2061932_12
This bulletin provides informaiton when traffic jam assist is unavailable/active lane assist fault is reported in the instrument cluster.
May 15, 2026VISIBILITY/WIPERTSB_2067557_2
This bulletin provides informaiton when the windscreen/rear window washer pump is not working (B126101, B126113).
May 8, 2026ELECTRICAL SYSTEMTSB_2077443_3
This bulletin provides information when the convenience openeing does not work.
- and 855 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
Source: media.audiusa.com as of 2026-06
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.