by VIN, Year, Make, Model by License Plate

2021 Audi A6 Overview, Reviews, Ratings & Specs

Rating: 0.00
Based on 0 Owner Reviews â–¶
Cathleen V | March 31, 2025
The 2021 Audi A6 continues the legacy of Audi's mid-size luxury sedan, known for its blend of technology, comfort, and performance. As a four-door sedan, it offers a refined driving experience. Key trims typically include Premium, Premium Plus, and Prestige. The pricing range for the 2021 model typically falls between $55,000 and $75,000, depending on trim and options. It stands out due to its sophisticated interior, advanced tech features, and smooth, powerful engines.
The Good

The 2021 Audi A6 offers a compelling mix of advantages. Its performance is strong, with responsive engines and quattro all-wheel drive. Comfort is exceptional, thanks to a well-designed interior and smooth ride. Its sleek design appeals to emotional buyers, while practical buyers appreciate its reliability, efficiency, and advanced safety features. Overall, it provides a luxurious and capable driving experience.

The Bad

While generally reliable, the 2021 Audi A6 can have some weaknesses. The infotainment system, while advanced, can be complex to use for some. Some owners have reported minor electrical glitches. Also, the cost of maintenance and repairs can be higher compared to some competitors. It's wise to inspect the electronics and ensure all features are functioning correctly before purchasing.

2021 Audi A6: Quick Overview

Here's a bullet-point summary of the 2021 Audi A6 key specs:

  • Engine Options:
    • 2.0-liter Turbocharged Inline-4 (45 TFSI)
    • 3.0-liter Turbocharged V6 (55 TFSI)
  • Horsepower:
    • 2.0T: 248 hp
    • 3.0T: 335 hp
  • Fuel Economy (EPA Estimated):
    • 2.0T: 23 mpg city / 31 mpg highway
    • 3.0T: 22 mpg city / 29 mpg highway
  • 0–60 Times:
    • 2.0T: Around 6.1 seconds
    • 3.0T: Around 5.1 seconds
  • Towing Capacity: Not recommended for towing.
  • Trim-Level Features:
    • Premium: Leather seats, sunroof, Audi MMI infotainment system with 8.8-inch display, Apple CarPlay and Android Auto, Audi pre sense basic and city, LED headlights.
    • Premium Plus: Adds Audi virtual cockpit, adaptive cruise assist, lane keep assist, blind-spot monitoring, rear cross-traffic alert, 10.1-inch infotainment display with navigation, Bang & Olufsen sound system.
    • Prestige: Adds matrix-design LED headlights, head-up display, power soft-closing doors, four-zone automatic climate control, ventilated front seats, and upgraded leather upholstery.

2021 Audi A6 Specifications

Vehicle Information
Year 2021
Make Audi
Model A6
Trim -
Style -
Type Sedan
Category Mid-Size Station Wagon
Manufacturing Details
Made In Germany
Manufacturing City NECKARSULM
Dimensions
Doors 4-Door
Curb Weight 4960 pounds
Gross Vehicle Weight Rating -
Overall Height 58.6 inches
Overall Length 196.7 inches
Overall Width 76.8 inches
Wheelbase Length 115.3 inches
Standard Seating 5
Engine & Performance
Engine Twin Turbo Gas/Electric V-8 4.0-L
Engine Size 4L
Engine Cylinders 8
Transmission 7-Speed Automatic
Transmission Type Automatic
Transmission Speeds 7-Speed
Drivetrain All-Wheel Drive
Additional Features
Anti-Brake System 4-Wheel
Steering Type Rack & Pinion
Pricing
Manufacturer Suggested Retail Price (MSRP) $109,000
Invoice Price -
Delivery Charges -

Vehicle History Report

Vehicle
Specifications
Ownership
History
All History
Events
NMVTIS Title
History Check
Salvage/Rebuilt
Check
Accident
Check
Theft
Check
Open Lien
Check
Past Sale
Listings
Safety
Recalls
Odometer
Check
Market Price
Analysis

What Problems Does the 2021 Audi A6 Have?

While the 2021 Audi A6 is generally considered reliable, some frequently reported problems and concerns have surfaced. Some owners have reported issues with the infotainment system, including freezing, slow response times, and connectivity problems with Apple CarPlay and Android Auto. These issues can sometimes be resolved with software updates, but they can be persistent for some users.
There have also been reports of minor electrical glitches, such as issues with the sensors and driver-assistance features. These issues can range from false warnings to systems not functioning correctly. It's essential to check the functionality of all electronic features during a pre-purchase inspection.
Regarding recalls, it's crucial to check the NHTSA (National Highway Traffic Safety Administration) website for any open recalls on the specific vehicle identification number (VIN). While the 2021 model year might not have a significant number of recalls, it's always a good practice to verify.
Long-term reliability concerns often revolve around the complexity of the vehicle's systems. As with many modern luxury cars, the advanced technology can be prone to issues as the car ages. Regular maintenance, including fluid changes and inspections, is essential to mitigate potential problems. Some owners have also noted that the cost of repairing the advanced systems can be higher compared to more basic vehicles. Therefore, considering an extended warranty, especially for higher-mileage examples, could be beneficial.

How long will the 2021 Audi A6 last?

With proper maintenance, a 2021 Audi A6 can reasonably be expected to provide 150,000 to 200,000 miles or 10-12 years of service. Key to longevity is adhering to the recommended service schedule, including regular oil changes, fluid flushes, and inspection of wear items.
Long-term durability hinges on addressing potential weaknesses. As the car ages, the complex electronics might become more prone to failures. Suspension components and turbochargers may also require attention over time. Addressing these proactively can extend the A6's lifespan. Neglecting maintenance will significantly reduce its lifespan and increase the risk of costly repairs.

What Technology & Safety Features are Included?

The 2021 Audi A6 is packed with advanced tech, entertainment, driver-assistance, and safety features. Standard tech includes the Audi MMI infotainment system with an 8.8-inch display, Apple CarPlay, and Android Auto. Higher trims boast a 10.1-inch display with navigation and the Audi virtual cockpit, a fully digital instrument cluster. For entertainment, a Bang & Olufsen sound system is available.
Driver-assistance features are abundant, including Audi pre sense basic and city, which provide automatic emergency braking and pedestrian detection. Optional features include adaptive cruise assist, lane keep assist, blind-spot monitoring, and rear cross-traffic alert. These systems enhance safety and convenience on the road.
Safety features include standard airbags, anti-lock brakes, and stability control. Optional features like night vision assist further enhance safety.
As for crash-test ratings, the 2021 Audi A6 generally performs well in safety tests conducted by the IIHS (Insurance Institute for Highway Safety) and NHTSA. Check these organizations' websites for specific ratings and reports, as they provide comprehensive evaluations of vehicle safety performance. These features combine to make the 2021 Audi A6 a technologically advanced and safe vehicle.

What Colors Options are Available?

Exterior Colors
Brilliant Black
Ibis White
Mythos Black Metallic
Navarra Blue Metallic
Tango Red Metallic
Firmament Green Metallic
Glacier White Metallic
Florett Silver Metallic
Manhattan Gray Metallic
Avalon Green Metallic
Okapi Brown Metallic
Interior Colors
Black
Okapi Brown
Pearl Beige
Sard Brown
Metro Gray
Rock Gray
Cognac Brown
Arras Red
Merlot Red

2021 Audi A6 Prices and Market Value

When new, the 2021 Audi A6 had a starting MSRP of around $55,000, with higher trims reaching upwards of $75,000 depending on options. As of late 2024, used market prices typically range from $30,000 to $50,000, varying based on condition, mileage, and trim level.
The A6 depreciates at a moderate rate, influenced by factors such as mileage, condition, maintenance history, and trim. Lower mileage, well-maintained examples, and higher trims (like the Prestige) command higher resale values. Popularity of the Audi brand and overall market conditions also play a role in resale value.

2021 Audi A6 Cost of Ownership

Owning a 2021 Audi A6 involves moderate to high long-term costs. Insurance premiums are generally higher due to its luxury status and repair costs. Fuel costs depend on driving habits, but premium fuel is recommended. Maintenance, while not excessive if performed regularly, can be more expensive than non-luxury brands. Repairs, especially for complex systems, contribute to higher ownership costs. Overall, the A6 is more costly to own compared to mainstream sedans, but comparable to other luxury vehicles.

2021 Audi A6 Fuel Efficiency

Fuel Type Gasoline
Fuel Capacity 19.3 gallons
City Mileage 15 miles/gallon
Highway Mileage 22 miles/gallon

2021 Audi A6 Safety Rating

NHTSA
Overall Rating
Overall Frontal Star Rating
Side Overall Star Rating
Overall Rollover Star Rating
Combined Front Seat Rating
Combined Rear Seat Rating
Overall Frontal Star Rating
Frontal Barrier Star Ratings Not Tested
Overall Side Star Rating
Side Barrier Star Ratings
Side Pole Star Rating
Combined Side Barrier And Side Pole Star Ratings Not Tested
Rollover Resistance Star Rating

2021 Audi A6 Warranty

Basic
Original warranty 48 months / 50,000 miles
Estimated remaining Expired
Corrosion
Original warranty 144 months / unlimited miles
Estimated remaining 96 months / unlimited miles
Drivetrain
Original warranty 48 months / 50,000 miles
Estimated remaining Expired
Roadside Assistance
Original warranty 48 months / unlimited miles
Estimated remaining Expired

2021 Audi A6 Insurance

Insurance for a 2021 Audi A6 is moderately priced, reflecting its status as a Sedan with strong safety ratings and
reasonable repair costs.

How Does the 2021 Audi A6 Compare to Other Sedan?

The 2021 Audi A6 competes with the BMW 5 Series, Mercedes-Benz E-Class, and Volvo S90. In terms of performance, the A6 offers a balanced blend, similar to the E-Class but perhaps not as sporty as the 5 Series. Feature-wise, the A6 is competitive, offering a modern infotainment system and a range of driver-assistance technologies.
Reliability is a key consideration. The BMW 5 Series and Mercedes-Benz E-Class have similar reliability records, with potential for costly repairs as they age. The Volvo S90 is often regarded as a slightly more reliable option.
In terms of price, the A6 typically falls in line with its German rivals. However, the Volvo S90 can sometimes offer more value for the money.
Alternatives to the Audi A6 include:
  • BMW 5 Series: For a sportier driving experience.
  • Mercedes-Benz E-Class: For a more luxurious and comfortable ride.
  • Volvo S90: For a focus on safety, Scandinavian design, and potentially lower long-term costs.
Depending on individual priorities, any of these alternatives could be a better or equally suitable choice.

Ranks #841 Sedan

1 2023 Toyota Camry (5.0★)
2 2023 Honda Accord (0.0★)
3 2023 Lexus ES (0.0★)
4 2024 Subaru Legacy (5.0★)
5 2022 Mazda MX-30 (4.0★)
6 2024 BMW M3 (0.0★)
7 2023 Ford Mustang (5.0★)
8 2023 Mercedes-Benz AMG GT (0.0★)
9 2023 Audi A3 (0.0★)
10 2023 Chevrolet Camaro (5.0★)
11 2023 Hyundai Elantra Hybrid (0.0★)
12 2023 Nissan Altima (4.0★)
841 2021 Audi A6 (0.0★)

Final Verdict: Is the 2021 Audi A6 a Good Sedan?

The 2021 Audi A6 is ideal for those seeking a well-rounded luxury sedan that blends performance, technology, and comfort. It's a worthwhile buy for individuals who appreciate a sophisticated driving experience and are willing to invest in maintenance and potential repairs.
A used 2021 A6 can be a good value, particularly if it has a solid maintenance history and lower mileage. The Premium Plus trim often strikes a good balance between features and price. Consider a pre-purchase inspection to identify any potential issues. While new offers the latest features, a used model presents a significant cost saving.

2021 Audi A6 Owner Reviews

0.00
Consumer Rating, Based on 0 Consumer Reviews
Overall rating
Cancel
Thank You for Your Review!

We truly appreciate the time and effort you took to share your experience with us.

Uh oh!

Something went wrong, please try again later.

Author Image
Cathleen V

Cathleen is an exceptional freelance writer covering hot topics in the automotive world from a gearhead's perspective. Her articles delve into various aspects of automotive technology and history, offering readers detailed insights into engine performance, reliability, and maintenance. Through her engaging and informative writing, Cathleen provides valuable information to automotive enthusiasts and consumers alike, helping them make informed decisions about vehicle maintenance and purchases.