What are the most common problems with the 2021 Audi A5?

The 2021 Audi A5 has a high number of safety recalls, notably for rear seat belt retractors and rear lighting systems, indicating potential manufacturing issues.

How many recalls does the 2021 Audi A5 have?

The 2021 Audi A5 currently has 48 recalls on file. Review the full recall report to see affected components and available remedies.

Is the 2021 Audi A5 a good buy used?

Verdict: Proceed with caution. The 2021 Audi A5 has a high number of safety recalls, notably for rear seat belt retractors and rear lighting systems, indicating potential manufacturing issues. Despite numerous recalls, consumer complaint counts are zero, suggesting issues are proactively addressed by the manufacturer or captured solely within the recall system. The 2.0-liter turbocharged engine and all-wheel drive provide a competent, if not thrilling, driving experience suitable for various conditions. Fuel economy is respectable, with a combined EPA estimate of 26 MPG, contributing to manageable daily running costs. Buyers should prioritize verifying the completion of all safety recalls, especially those related to seat belts and lighting, as a critical pre-purchase step. Always verify service history, open recalls, and maintenance records before purchasing.

What maintenance costs should I expect for the 2021 Audi A5?

Refer to the maintenance cost guide for interval schedules, DIY difficulty ratings, and typical repair cost ranges for the 2021 Audi A5.

2021 Audi A5 Report

Known issues, recalls, running costs, and what to check before you buy.

Updated Jun 2, 2026Ryan Davis

Overall Score

Our Verdict

Proceed with caution

Key Takeaways

The 2021 Audi A5 has a high number of safety recalls, notably for rear seat belt retractors and rear lighting systems, indicating potential manufacturing issues.
Despite numerous recalls, consumer complaint counts are zero, suggesting issues are proactively addressed by the manufacturer or captured solely within the recall system.
The 2.0-liter turbocharged engine and all-wheel drive provide a competent, if not thrilling, driving experience suitable for various conditions.
Fuel economy is respectable, with a combined EPA estimate of 26 MPG, contributing to manageable daily running costs.

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Overview

2021 Audi A5

The 2021 Audi A5 blends sophisticated design with Audi's signature Quattro all-wheel drive, making it an appealing choice for used car shoppers seeking a premium compact car. Under the hood, a 2.0-liter turbocharged four-cylinder engine paired with an automatic transmission delivers adequate performance. However, a closer look reveals a substantial number of safety recalls, primarily impacting seat belt retractors and rear lighting. Despite zero reported consumer complaints, these recalls suggest potential manufacturing or design concerns that warrant careful consideration and thorough inspection by prospective buyers. The vehicle achieves an EPA-estimated 26 MPG combined, contributing to reasonable running costs, but the high recall count may signal potential future repair expenses.

Critical Failure Risk

Recalls indicate potential issues with rear seat belt retractors failing to lock properly. This is a critical safety concern, especially for child restraint systems.

Early detection can help you avoid a $200-$500 repair.

Open Maintenance Analysis →

Safety & Bulletins

Open Recalls48

Service Bulletins0

Full Recall History →

Owner Complaints

No primary complaint themes found.

Detailed Issue Breakdown →

Performance & Efficiency

Fuel Efficiency

Combined

MPG

City

MPG

Highway

MPG

Full Vehicle Specifications ↓

Reliability

Practicality

Buyer Fit

Who This Car Is For

Best for

Discerning buyers who prioritize premium interior appointments and all-wheel-drive capability.

+2 more buyer-fit notes in the full report

Avoid if

Buyers seeking a completely worry-free ownership experience with a spotless reliability record.

+2 more buyer-fit warnings in the full report

2021 Audi A5 Reliability Analysis

Specs

Vehicle Specs

Fuel Type: Premium
Seating Capacity: 5
Transmission: Automatic
Drivetrain: AWD/All-Wheel Drive
Body Style: Hatchback
EPA Combined MPG: 26

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Most Common Issues

1. Rear Seat Belt Retractor Malfunction

Most reported

Usage data observed

2. Exterior Lighting Wiring Harness Issue

Usage data observed

See all common issues in the maintenance guide

First Service Interval

- Oil Change (5W-40 Synthetic) (Parts: 5W-40 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection - Fluid Level Check (Coolant, Brake, Washer)

Est. shop cost: $150 - $250

10,000 mi

Unlock the full maintenance guide for every scheduled service interval and cost forecast.

Full pre-purchase inspection checklist

Complete maintenance schedule (6 service intervals)

Repair forecasts with mileage and cost context

Full buyer-fit guidance and who should avoid it

Full specs and trim-level context

48 recall campaign details & remedy notes

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FAQ

Is the 2021 Audi A5 reliable?

The CarFocal Reliability Score for the 2021 Audi A5 is 7.5/10. Reliability score is 7.5/10. NHTSA recalls: 48. Owner complaints: 0.

How practical is the 2021 Audi A5 for daily use?

Practicality score is 5.7/10. EPA combined economy is 26 MPG. Seating capacity is 5. 4 passenger doors are listed. Boot capacity is 465 litres.

What is the overall score for the 2021 Audi A5?

The CarFocal Overall Score for the 2021 Audi A5 is 6.9/10. Overall score is 6.9/10 (Good). Confidence 55%. Maintenance 8.2/10. Practicality 5.7/10.

What does it cost to own and maintain a 2021 Audi A5?

Based on Carfocal's data, First listed service: - Oil Change (5W-40 Synthetic) (Parts: 5W-40 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection - Fluid Level Check (Coolant, Brake, Washer) at 10,000 miles. Estimated first-year maintenance: $400 - $700. Repair prediction highlight: Rear Seat Belt Retractor (typical at 30,000 miles, estimated cost Min: $200 • Max: $500).

What is the MSRP range for the 2021 Audi A5?

Base MSRP is $44,000.

What engine is in the 2021 Audi A5?

Engine specs list 4 • 2.0.

What transmission does the 2021 Audi A5 use?

According to CarFocal's specs for the 2021 Audi A5, transmission is Automatic. The paired drivetrain is AWD/All-Wheel Drive.

Does the 2021 A5 require Premium gas?

Manufacturer fuel recommendation: Premium.

What is the combined EPA MPG for the 2021 Audi A5?

EPA combined estimate is 26 MPG.

What driver assistance and safety features are available on the 2021 Audi A5?

12 standard driver assistance features. Key features include Anti-lock Braking System, Electronic Stability Control, Traction Control.

How many people fit in a 2021 Audi A5?

According to CarFocal's specs for the 2021 Audi A5, seating capacity is 5.

What body style is the 2021 Audi A5?

According to CarFocal's specs for the 2021 Audi A5, body style is hatchback.

What drivetrain does the 2021 Audi A5 use?

According to CarFocal's specs for the 2021 Audi A5, drivetrain is AWD/All-Wheel Drive. Transmission is Automatic.

Are there open safety recalls on the 2021 Audi A5?

This model year has 48 official safety campaigns listed.

Should buyers consider alternatives to the 2021 Audi A5?

Alternative listed in this guide: 2021 Infiniti Q60.