2021 Audi A5 Sportback S line quattroFuel Economy & MPG Ratings

Hybrid Midsize CarsAll-Wheel Drive
City
24
MPG
Highway
31
MPG
Combined
27
MPG

Trim Comparison

Automatic (AM-S7)
Premium Hybrid
City
24
Hwy
31
Comb
27
Fuel cost: $3,050/yr
Annual Fuel Cost
$3,050

Based on gasoline at $3.67/gal, 15,000 miles/year

5-Year Fuel Savings
$-3,250

vs. average new vehicle

EPA Fuel Economy Score: 6/10
GHG Score: 6/10

Environment

CO₂ Tailpipe Emissions
331 g/mile
Annual Petroleum Consumption
11.0 barrels

Specifications

Engine
2L 4-cyl
Transmission
Automatic
Drivetrain
AWD
Body Style
Sedan
GVWR
Class 1 (≤6,000 lbs)

Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.

Engine & Efficiency Details

Source: EPA fueleconomy.gov

Engine Size
2L, 4-cylinder
Induction Type
SIDI; Mild Hybrid
Efficiency Tech
Auto Start-Stop
Fuel Type
Premium Gasoline

Annual Fuel Cost by State

Prices as of week ending May 18, 2026 · Source: EIA

National AvgEPA default
$4.490/gal$2,494/yr
California
$5.957/gal$3,309/yr
Texas
$3.888/gal$2,160/yr
Florida
$4.136/gal$2,298/yr
New York
$4.522/gal$2,512/yr
Ohio
$4.510/gal$2,506/yr
Washington
$5.591/gal$3,106/yr
Colorado
$4.618/gal$2,566/yr
Minnesota
$4.344/gal$2,413/yr
Massachusetts
$4.448/gal$2,471/yr

Calculated at 15,000 miles/year (EPA standard assumption) using 27 MPG combined. Regular gasoline prices. Actual costs vary.

Recall History

Source: NHTSA

No recalls reported for this vehicle.

Owner-Reported Problems7 complaints

Source: NHTSA

NHTSA has received 7 owner complaints for the 2021 Audi A5 Sportback S line quattro. Top reported issues include electrical system, power train and air bags. The data below is sourced from consumer complaints filed directly with NHTSA.

Problems by System / Component

Electrical System
2
Power Train
1
Air Bags
1
Advanced Safety (ADAS)
1

2021 Audi A5 Sportback S line quattro problems by category: Electrical System: 2 complaints, Power Train: 1 complaints, Air Bags: 1 complaints, Advanced Safety (ADAS): 1 complaints.

Sample Owner Complaints

Power TrainFiled: 01/19/2026ODI#11711887
What component or system failed or malfunctioned, and is it available for inspection upon request? TRANSMISSION - GEAR SHIFT How was your safety or the safety of others put at risk? THE CAR STOPPED SH…
Air BagsFiled: 12/28/2025ODI#11707412
The passenger side air bag indicator constantly turns off and on in my Audi no matter if there is or is not a passenger in the seat. I took my vehicle to an authorized Audi service center to have the …
Electrical SystemFiled: 11/09/2021ODI#11439892
The contact owns a 2021 Audi Q5. The contact stated that while driving at 5 MPH, after shifting from reverse to drive the vehicle lost all power. The contact stated that various warning lights were il…

Complaint data is sourced from the NHTSA Complaints Database. Reports are filed by vehicle owners and may not reflect confirmed defects. Last updated via NHTSA API.

Related

Audi A5 Sportback S line quattro MPG History
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