2021 Audi A4
US · Sedan · Compact Cars
The 2021 Audi A4 is listed in the US market as a sedan with hybrid power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.
- Engine
- 2.0L 4-cylinder turbocharged (SIDI; Mild Hybrid)
- Power
- 201 hp (150 kW)
- Torque
- 236 lb-ft (320 Nm)
- Transmission
- 7-speed dual-clutch
- Drivetrain
- AWD
- Fuel
- Hybrid
- Economy
- 26 mpg (9.0 L/100 km) to 28 mpg (8.4 L/100 km) combined
- Seating
- 5 seats
Key Performance & Dimensions
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | 2.0L 4-cylinder turbocharged (SIDI; Mild Hybrid) | |
| Displacement | 2.0 L | |
| Cylinders | 4 | |
| Aspiration | Turbocharged | |
| Power | 201 hp (150 kW) | |
| Torque | 236 lb-ft (320 Nm) | |
| Fuel type | Hybrid | EPA fueleconomy.gov |
Performance
| Specification | Value | Source |
|---|---|---|
| 0–100 km/h | 7.1 s | |
| Top speed | 130 mph (210 km/h) |
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Dual-clutch | EPA fueleconomy.gov |
| Gears | 7 | |
| Drivetrain | AWD | EPA fueleconomy.gov |
Dimensions
| Specification | Value | Source |
|---|---|---|
| Length | 187.5 in (4,762 mm) | |
| Width | 72.7 in (1,847 mm) | |
| Height | 56.2 in (1,428 mm) | |
| Wheelbase | 111.0 in (2,820 mm) |
Weight
| Specification | Value | Source |
|---|---|---|
| Curb weight | 3,616 lb (1,640 kg) |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 26 mpg (9.0 L/100 km) to 28 mpg (8.4 L/100 km) | EPA fueleconomy.gov |
| City | 24 mpg (9.8 L/100 km) to 25 mpg (9.4 L/100 km) | |
| Highway | 30 mpg (7.8 L/100 km) to 34 mpg (6.9 L/100 km) |
Capacity
| Specification | Value | Source |
|---|---|---|
| Seats | 5 | |
| Doors | 4 |
Our sources do not publish these for this vehicle: Towing capacity, Payload, Ground clearance, Gross vehicle weight rating, Electric range, Battery capacity, Fuel tank, Cargo volume. We leave them out instead of estimating.
Trims and configurations
3 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.
Recalls
NHTSA lists 4 recall campaigns for this model year. Last checked November 7, 2026.
22V742000: BACK OVER PREVENTION:DISPLAY FUNCTION
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021 Audi A8, RS7, RS6 Avant, RS5 Sportback, RS5 Coupe, Q8, Q7, Q5 Sportback, S4 Sedan, Q5, A7, A6, A6 Allroad, A5 Sportback, A5 Coupe, A5 Cabrioleet, A4 Sedan, A4 Allroad, E-Tron Sportback Quattro, SQ7, S5 Cabriolet, E-Tron Quattro, SQ8, SQ5 Sportback, SQ5, S8, S7, S6 Sedan, S5 Sportback, S5 Coupe, 2022 E-Tron GT, and 2021-2022…
Remedy: Dealers will update the infotainment unit software, free of charge. Owner notification letters were mailed October 25, 2022. Owners may contact Audi's customer service at 1-800-253-2834. Volkswagen's number for this recall is 91DZ.
Reported October 5, 2022. View on NHTSA
22V034000: TIRES
Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2021 Audi A5 Sportback, RS5 Coupe, RS5 Sportback, S5 Sportback, 2020-2021 A4 Allroad, A4 Sedan, A5 Cabriolet, A5 Coupe, A6 Allroad, A6 Sedan, A7, A8, Q5, S4 Sedan, S5 Coupe, S5 Cabriolet, S6 Sedan, S7, S8, SQ5, 2021 Q5 Sportback, Q7, Q8, RS6 Avant, RS7, RSQ8, SQ5 Sportback, SQ7, and SQ8 vehicles. The rear axle alignment may not…
Remedy: Dealers will inspect the rear axle, adjust the alignment as necessary, and replace any prematurely or unevenly worn tires, free of charge. Owner notification letters were mailed March 3, 2022. Owners may contact Audi customer service at…
Reported January 26, 2022. View on NHTSA
21V606000: SEAT BELTS:REAR/OTHER:RETRACTOR
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021 Volkswagen ID4, Audi A4 Allroad, A4 Sedan, A5 Cabriolet, A5 Coupe, A5 Sportback, A6 Allroad, A6 Sedan, A7, A8, E-Tron Quattro, E-Tron Sportback Quattro, Q3, Q5, Q5 Sportback, Q7, Q8, RS5 Sportback, RS5 Coupe, RS6 Avant, RS7, RSQ8, S4 Sedan, S5 Cabriolet, S5 Coupe, S5 Sportback, S6 Sedan, S7, S8, SQ5, SQ5 Sportback, SQ7,…
Remedy: Dealers will inspect, and replace as necessary, the middle-rear seat belt assemblies, free of charge. Owner notification letters were mailed August 27, 2021. Owners may contact Volkswagen customer service at 1-800-893-5298 and Audi…
Reported August 5, 2021. View on NHTSA
21V295000: SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY
Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Q7, Q8, Q5 Sportback, SQ5 Sportback, RS6 Avant, RS7, RS Q8, 2020-2021 Audi S6 sedan, Q5, A8, S8, A7, A6 Allroad, A5 Cabriolet, A4 sedan, A4 Allroad, SQ5, S7, A6 sedan, S5 coupe, S4 sedan, S5 Cabriolet, A5 coupe, 2019-2021 RS5 coupe, A5 Sportback, S5 Sportback, RS5 Sportback vehicles. The lock nut on the trailing arm of the rear…
Remedy: Dealers will replace the lock nuts and, if necessary, the associated bolts, free of charge. Owner notification letters were mailed June 4, 2021. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall…
Reported April 26, 2021. View on NHTSA
Data sources
- NHTSA vPIC · retrieved October 11, 2026 · US Government public data
- EPA fueleconomy.gov · retrieved November 4, 2026 · US Government public data
Source checked: November 4, 2026
Data verified: November 4, 2026
Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.
Related vehicles
- 2020 Audi A4
Sedan, Gasoline
2.0L 4-cylinder turbocharged (SIDI) · 201 hp (150 kW) · Varies by configuration: FWD, AWD
30 mpg (7.8 L/100 km) to 26 mpg (9.0 L/100 km) - 2022 Audi A4
Sedan, Hybrid
2.0L 4-cylinder turbocharged (SIDI; Mild Hybrid) · 201 hp (150 kW) · AWD
29 mpg (8.1 L/100 km) to 26 mpg (9.0 L/100 km)
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Frequently asked questions
What engine does the 2021 Audi A4 have?
2.0L 4-cylinder turbocharged (SIDI; Mild Hybrid). Engines can differ by trim, so check the trim list below.
How much horsepower does the 2021 Audi A4 have?
201 hp (150 kW), as listed by our sources.
What is the fuel economy of the 2021 Audi A4?
Combined fuel economy is 26 mpg (9.0 L/100 km) to 28 mpg (8.4 L/100 km), as published by the source shown in the specification table.
Is the 2021 Audi A4 front-wheel, rear-wheel or all-wheel drive?
Drivetrain: AWD.
How many seats does the 2021 Audi A4 have?
5 seats.
How long is the 2021 Audi A4?
187.5 in (4,762 mm).
Are there recalls for the 2021 Audi A4?
NHTSA lists 4 recall campaigns for this model year (last checked November 7, 2026). Details are in the Recalls section.