Skip to content

Used 2021 Audi A4 for Sale

Buy Online
Buy your next car 100% online through TrueCar+ with transparent pricing, no hidden fees and home delivery
Popular filters
Vehicle Condition
Brand
Nationwide
Price
Price drop
Condition

Vehicle history data is provided by Experian AutoCheck. Use of this data is subject to the AutoCheck Terms & Conditions.

POPULAR exterior colors
POPULAR interior colors
Body style
Features
Fuel type
Transmission
Drivetrain
Reset all
73 Listings
Clear all

Find a Used 2021 Audi A4 Near You

TrueCar has 73 used 2021 Audi A4 models for sale nationwide, including a 2021 Audi A4 Premium 40 TFSI quattro and a 2021 Audi A4 Premium Plus 40 TFSI quattro. Prices for a used 2021 Audi A4 currently range from $15,999 to $29,995, with vehicle mileage ranging from 14,713 to 112,306. Find used 2021 Audi A4 inventory at a TrueCar Certified Dealership near you by entering your zip code and seeing the best matches in your area.

Audi A4 Listings by Year

VehiclePrice FromExcellent PriceAccident FreeTotal Available
2025 Audi A4$36,9994 listings10 listings10 listings
2024 Audi A4$26,69918 listings55 listings61 listings
2023 Audi A4$20,99925 listings145 listings165 listings
2022 Audi A4$18,78022 listings103 listings112 listings
2021 Audi A4$15,99916 listings54 listings73 listings
2020 Audi A4$16,7856 listings32 listings42 listings
2019 Audi A4$11,99934 listings77 listings110 listings
2018 Audi A4$7,78432 listings98 listings156 listings
2017 Audi A4$7,40047 listings119 listings214 listings
2016 Audi A4$8,87513 listings33 listings51 listings

More About the 2021 Audi A4

Audi A4 Overview

The compact Audi A4 luxury sedan is a great way to add some pampering and sophistication to the daily drive. Customers get to choose from two turbocharged engines. On the road, the cabin remains quiet at speed; handling is sporty and agile with standard all-wheel-drive. The A4’s interior employs high-quality materials and meticulous attention to detail. Many tech and comfort features are standard for about $40,000.

See Full Review

What's New on the 2021 Audi A4

Both engines add a 12-volt mild-hybrid system. All-wheel-drive is now standard on all trims. Mid-range Premium Plus gets more safety technology.

Audi A4 Pros & Cons

Pros

Refined chassis balance comfort and sportiness. Many standard luxury features for a low price. Tasteful use of high-quality cabin materials.

Cons

Standard all-wheel-drive impacts fuel economy. Some competitors have more opulent styling.

2021 Audi A4 Owner Reviews

4th Generation Audi A4

2017 - Present
Overall Rating
4.9
10 out of 10
Based on 21 Ratings
Performance
4.8
Comfort
4.5
Fuel Efficiency
4.3
Safety Technology
4.4
Features
4.5
All reviews
5.010 out of 10
Performance
5.0
Comfort
5.0
Fuel Efficiency
3.0
Safety Technology
5.0
Features
4.0
Performance
5.0
Comfort
5.0
Fuel Efficiency
3.0
Safety Technology
5.0
Features
4.0
pros
Ride, handling, electronics/automatic features, looks
cons
Interior storage, no direct readout of tire pressure, only one trip odometer, comprehensive information not easily accessed, awkward garage door control, Audi online services ridiculously expensive
Submitted by David F on --- --- ----|2021 Audi A4 S line Premium Plus 45 TFSI quattro|Purchased on --- --- ----
5.010 out of 10
Performance
5.0
Comfort
5.0
Fuel Efficiency
3.0
Safety Technology
5.0
Features
5.0
pros
Very smooth ride and great acceleration/handling
cons
I do not dislike anything but fuel efficiency would always be better
Submitted by M B on --- --- ----|2021 Audi A4 Premium 40 TFSI quattro|Purchased on --- --- ----
5.010 out of 10
Performance
5.0
Comfort
4.0
Fuel Efficiency
5.0
Safety Technology
5.0
Features
5.0
pros
Like the new exterior and interior design. Seats are comfortable. Sporty new exterior look. Interior lighting is very cool.
cons
Acceleration is decent but could be better.
Submitted by Michael F on --- --- ----|2021 Audi A4 S line Premium Plus 45 TFSI quattro|Purchased on --- --- ----
TrueCar’s used 2021 Audi A4 inventory ranges from $15,999 to $29,995.
The used 2021 Audi A4 comes in a sedan body style. 2021 Audi A4 listings also offer automatic transmission. The 2021 Audi A4 only comes with gas as a fuel type option.
The top used 2021 Audi A4 trims based on nationwide inventory are the 2021 Audi A4 Premium with 29 listings, the 2021 Audi A4 S line Premium Plus with 18 listings, and the 2021 Audi A4 Premium Plus with 16 listings. The average price for the 2021 Audi A4 Premium is $22,458, with the 2021 Audi A4 S line Premium Plus and 2021 Audi A4 Premium Plus averaging $25,714 and $23,726 respectively.
Based on TrueCar’s inventory, used 2021 Audi A4 listings usually offer android auto, apple carplay, and backup camera. On the opposite end, only a small number of used 2021 Audi A4 listings have premium audio, navigation, or front cooled seats.
The original MSRP for the 2021 Audi A4 started at $40,145 for the Premium and went up to $50,845 for the S line Prestige.
The 2021 Audi A4 Premium gets 27 combined MPG, per EPA estimate.