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2021 Audi

A4 S-Line quattro

Auto (AM-S7), 4 cyl, 2.0 L, Turbo

Audi A4 S-Line: best and worst years
2021 Audi A4 S-Line quattro (photo 1 of 3)

Closest available photo (2019 model year); you're viewing the 2021.

2019 photoVauxfordCC BY-SA 4.0Wikimedia Commons

Overview

Body
Compact CarsEPA, from EPA, last updated 6/11/2026
Drivetrain
All-Wheel DriveEPA, from EPA, last updated 6/11/2026
Transmission
Automatic (AM-S7)EPA, from EPA, last updated 6/11/2026
Powertrain
HybridEPA, from EPA, last updated 6/11/2026
Fuel
PremiumEPA, from EPA, last updated 6/11/2026

Engine & performance

Cyl
4EPA, from EPA, last updated 6/11/2026
Aspiration
TurbochargedEPA, from EPA, last updated 6/11/2026
Start-stop system
YesEPA, from EPA, last updated 6/11/2026

Efficiency

MPG Hwy
31 mpgEPA, from EPA, last updated 6/11/2026
MPG City
24 mpgEPA, from EPA, last updated 6/11/2026
MPG Comb
27 mpgEPA, from EPA, last updated 6/11/2026
Fuel $/yr
$2,850EPA, from EPA, last updated 6/11/2026
CO₂
331 g/miEPA, from EPA, last updated 6/11/2026
Eco Score
6/10EPA, from EPA, last updated 6/11/2026
Smog score
5/10
Elec. Range
0 miEPA, from EPA, last updated 6/11/2026
SmartWay certified
No

Dimensions & capacity

Pass. Vol
92 ft³EPA, from EPA, last updated 6/11/2026
Cargo Vol
12 ft³EPA, from EPA, last updated 6/11/2026

Safety NHTSA, model year

Recalls
0
Owner complaints
0

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

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Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice.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.