What are the most common problems with the 2021 Audi SQ8?

The 2021 Audi SQ8 has an average reliability rating, underscored by a high number of safety-critical recalls.

How many recalls does the 2021 Audi SQ8 have?

The 2021 Audi SQ8 currently has 51 recalls on file. Review the full recall report to see affected components and available remedies.

Is the 2021 Audi SQ8 a good buy used?

Verdict: High risk. The 2021 Audi SQ8 has an average reliability rating, underscored by a high number of safety-critical recalls. A significant recall affecting rear seat belt retractors (40 instances) and a critical engine recall for cracked cylinder bores require verification of completion. Despite zero consumer complaints, the sheer volume of recalls and TSBs indicates potential for underlying quality control issues. Expect higher fuel costs due to a combined EPA rating of 17 MPG. Thorough inspection of the engine and confirmation of all recall remedies are paramount for used SQ8 buyers. Always verify service history, open recalls, and maintenance records before purchasing.

What maintenance costs should I expect for the 2021 Audi SQ8?

Refer to the maintenance cost guide for interval schedules, DIY difficulty ratings, and typical repair cost ranges for the 2021 Audi SQ8.

2021 Audi SQ8 Report

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

Updated Jun 2, 2026Daniel Wilson1 Critical Recall

Overall Score

Our Verdict

High risk

Key Takeaways

The 2021 Audi SQ8 has an average reliability rating, underscored by a high number of safety-critical recalls.
A significant recall affecting rear seat belt retractors (40 instances) and a critical engine recall for cracked cylinder bores require verification of completion.
Despite zero consumer complaints, the sheer volume of recalls and TSBs indicates potential for underlying quality control issues.
Expect higher fuel costs due to a combined EPA rating of 17 MPG.

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Overview

2021 Audi SQ8

The 2021 Audi SQ8 is a high-performance luxury SUV that blends potent V8 power with Audi's signature upscale interior and technology. For the used car buyer, this model offers exhilarating acceleration and a refined driving experience. However, a notable number of recalls, especially for critical components like the engine and seat belts, alongside a substantial volume of Technical Service Bulletins (TSBs), suggest potential ownership risks. Buyers should prioritize verifying the completion of all manufacturer recalls and thoroughly inspecting key mechanical systems before purchase. Fuel economy is modest, with a combined 17 MPG, contributing to higher running costs.

Critical Failure Risk

A critical recall (21V339000) addresses a manufacturing defect leading to cracked cylinder bores. This can result in catastrophic engine failure.

Early detection can help you avoid a $8,000-$15,000 repair.

Open Maintenance Analysis →

Safety & Bulletins

Recall Campaigns51

Service Bulletins258

Campaign counts apply to this model year, not your VIN's repair status. Check your VIN with NHTSA.

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

The score is mainly limited by high fuel consumption.

Buyer Fit

Who This Car Is For

Best for

Enthusiasts seeking potent V8 performance in a luxury SUV package.

+2 more buyer-fit notes in the full report

Avoid if

Owners prioritizing bulletproof reliability and minimal unscheduled repairs.

+2 more buyer-fit warnings in the full report

2021 Audi SQ8 Reliability Analysis

Specs

Vehicle Specs

Fuel Type: Premium
Seating Capacity: 5
Transmission: Automatic
Drivetrain: AWD/All-Wheel Drive
Body Style: Suv
EPA Combined MPG: 17

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Most Common Issues

1. Engine Cylinder Bore Cracks

Most reported

Usage data observed

2. Rear Seat Belt Retractor Defects

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 - Cabin Air Filter Replacement

Est. shop cost: $250 - $400

10,000 mi

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

Full pre-purchase inspection checklist

Complete maintenance schedule (5 service intervals)

Repair forecasts with mileage and cost context

Full buyer-fit guidance and who should avoid it

Full specs and trim-level context

51 recall campaign details & remedy notes

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FAQ

Is the 2021 Audi SQ8 reliable?

The CarFocal Reliability Score for the 2021 Audi SQ8 is 6.4/10. Reliability score is 6.4/10. NHTSA recalls: 51. Owner complaints: 0.

How practical is the 2021 Audi SQ8 for daily use?

Practicality score is 3.2/10. The score is mainly limited by high fuel consumption. EPA combined economy is 17 MPG. Seating capacity is 5.

What is the overall score for the 2021 Audi SQ8?

The CarFocal Overall Score for the 2021 Audi SQ8 is 5.3/10. Overall score is 5.3/10 (Mixed). Confidence 55%. Maintenance 7.4/10. Practicality 3.2/10.

What does it cost to own and maintain a 2021 Audi SQ8?

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 - Cabin Air Filter Replacement at 10,000 miles. Estimated first-year maintenance: $800 - $1,500. Repair prediction highlight: Engine (typical at 75,000 miles, estimated cost Min: $8,000 • Max: $15,000+).

What is the MSRP range for the 2021 Audi SQ8?

Base MSRP is $89,100.

What engine is in the 2021 Audi SQ8?

Engine specs list 8 • 4.0.

What transmission does the 2021 Audi SQ8 use?

According to CarFocal's specs for the 2021 Audi SQ8, transmission is Automatic. The paired drivetrain is AWD/All-Wheel Drive.

Does the 2021 SQ8 require Premium gas?

Manufacturer fuel recommendation: Premium.

What is the combined EPA MPG for the 2021 Audi SQ8?

EPA combined estimate is 17 MPG.

What driver assistance and safety features are available on the 2021 Audi SQ8?

12 standard and 2 optional driver assistance features. Key features include Anti-lock Braking System, Electronic Stability Control, Traction Control.

How many people fit in a 2021 Audi SQ8?

According to CarFocal's specs for the 2021 Audi SQ8, seating capacity is 5.

What body style is the 2021 Audi SQ8?

According to CarFocal's specs for the 2021 Audi SQ8, body style is suv.

What drivetrain does the 2021 Audi SQ8 use?

According to CarFocal's specs for the 2021 Audi SQ8, drivetrain is AWD/All-Wheel Drive. Transmission is Automatic.

What are the NHTSA safety ratings for the 2021 Audi SQ8?

NHTSA ratings: Rollover 4/5.

Are there open safety recalls on the 2021 Audi SQ8?

This model year has 51 official safety campaigns listed.