2021 Audi A8 Complete Review: Luxury, Performance, Trims

The 2021 Audi A8 stands as a benchmark in the full-size luxury sedan segment, blending serene ride quality, opulent interiors, and state-of-the-art technology into one sophisticated package. Redesigned just two years prior, this model year introduces subtle enhancements that elevate its already impressive capabilities, making it a strong contender against rivals like the Mercedes-Benz S-Class and BMW 7 Series.

Design and Exterior Highlights

Audi’s flagship sedan adopts a understated yet elegant exterior design that prioritizes presence over flashiness. The 2021 A8 features a long, sleek silhouette with a prominent Singleframe grille flanked by distinctive Matrix LED headlights on higher trims. Standard 19-inch alloy wheels roll beneath smooth sheetmetal, while options like 20- or 21-inch wheels add a sportier edge, particularly on the S8 variant.

Dimensions play a key role in its appeal: the standard A8 measures over 17 feet in length, but the extended-wheelbase A8 L version provides even more rear passenger space, ideal for executive transport. Aerodynamic touches, such as active grille shutters and a subtle rear diffuser, contribute to its impressive efficiency without compromising style. The overall look is handsome and expensive-looking, avoiding the ostentation seen in some competitors.

Powertrain Options and Performance

Power comes from a range of sophisticated engines, all paired with an 8-speed Tiptronic automatic transmission and Audi’s renowned Quattro all-wheel-drive system. The base 55 TFSI trim employs a turbocharged 3.0-liter V6 mild-hybrid engine, delivering 335 horsepower and 369 lb-ft of torque. This setup propels the hefty sedan from 0-60 mph in about 5.3 seconds, offering smooth, effortless acceleration.

Stepping up, the 60 TFSI Quattro introduces a 4.0-liter twin-turbo V8 with 453 horsepower, providing even more torque for overtaking prowess. The plug-in hybrid 60 TFSI E variant matches this performance while adding an electric-only range of around 18 miles, appealing to eco-conscious buyers with EPA estimates of 23 mpg combined.

The S8 L Quattro takes performance further with a tuned V8 producing up to 563 horsepower, though its focus remains on refined grand touring rather than outright sportiness. All models benefit from predictive air suspension on select trims, which uses cameras to scan the road ahead, preemptively adjusting for bumps and enhancing cornering stability.

This table summarizes key performance specs, highlighting the A8’s versatility across trims.

Interior Luxury and Comfort

Step inside the 2021 A8, and you’re enveloped in a cabin that rivals the finest private jets. Sumptuous leather upholstery, real wood accents, and ambient LED lighting create an atmosphere of refined elegance. Front seats are power-adjustable with 22-way settings, heating, ventilation, and massage functions as standard across the lineup.

• Spacious five-passenger seating with ample legroom, especially in the L variant.
• Optional executive rear seating for four, including heating, ventilation, massage, and individual entertainment screens.
• Four-zone automatic climate control and power rear sunshades for ultimate comfort.
• Trunk space measures 12.5 cubic feet, sufficient for luggage on long trips.

The long-wheelbase model ensures rear passengers enjoy limo-like space, with options to slide the front passenger seat forward for extra legroom. Noise insulation is exemplary, creating a ‘sensory deprivation chamber’ where road and wind noise are virtually absent.

Cutting-Edge Technology and Infotainment

Audi positions the A8 as a technology showcase. The dual-touchscreen MMI infotainment system spans over a foot of display space, integrating navigation, audio, and vehicle settings seamlessly. A 12.3-inch digital gauge cluster and optional rear-seat tablets complete the digital cockpit.

Standard features include wireless smartphone charging, a 360-degree camera system, and a cell signal booster. The Bang & Olufsen sound system delivers concert-hall audio. Driver aids are comprehensive: adaptive cruise control, lane-keeping assist, traffic jam assist, and night vision are available, though some require refinement for flawless operation.

Driving Dynamics and Ride Quality

Behind the wheel, the A8 excels in composure. The standard adaptive air suspension smooths out imperfections, while optional predictive systems scan ahead to flatten the ride further. Drive modes—Comfort, Auto, Dynamic, and Individual—allow tailoring of throttle, steering, and suspension.

Handling is confident for a luxury liner, with Quattro AWD providing secure grip. Steering firms up in Dynamic mode, aiding precise control. However, some reviewers note softer responses in Comfort mode and occasional wallow over undulating roads.

Safety and Reliability Features

Safety is paramount, with a 5-star NHTSA rating across categories. Standard Audi pre sense basic and city systems, plus intersection assist. The optional heavy-duty package adds remote parking via smartphone. Warranty covers 4 years/50,000 miles, though it’s shorter than some rivals.

Pricing and Trim Comparison

Starting MSRP for the A8 L 55 TFSI Quattro is around $86,500, escalating to over $100,000 for loaded 60 TFSI or S8 models. Value shines in standard equipment, but options like the rear executive package can add significantly.

• Base A8 L 55 TFSI: Essential luxury with V6 power.
• 60 TFSI Quattro: V8 muscle and sport styling.
• 60 TFSI E: Hybrid efficiency for urban use.
• S8: Performance-oriented flagship.

Pros and Cons

This comparison captures the A8’s strengths in serenity and features against minor shortcomings.

Fuel Economy Insights

Expect 17/26 mpg city/highway for the V6, dropping to 15/23 for V8 models. The PHEV offers the best combined figure at 23 mpg with electric assistance. Real-world tests align closely with EPA estimates, aided by mild-hybrid tech.

Who Should Buy the 2021 Audi A8?

Ideal for executives valuing discretion, comfort, and tech over outright sportiness. Chauffeur-driven buyers will appreciate rear-seat opulence, while drivers enjoy its balanced dynamics. It’s a professional choice for those seeking a tuxedo-like elegance in automotive form.

Frequently Asked Questions (FAQs)

Is the 2021 Audi A8 reliable?

Yes, it scores well in owner reviews for smoothness and tech, though long-term data is solid but not class-leading.

How does the A8 compare to the Mercedes S-Class?

The A8 offers similar luxury and more standard tech but trails slightly in ride refinement and brand prestige.

What’s the best engine for the A8?

The PHEV 60 TFSI E balances performance, efficiency, and torque for most buyers.

Does it have Apple CarPlay?

Yes, wireless Apple CarPlay and Android Auto are standard.

Is rear space adequate for tall passengers?

Exceptionally so in the L model, with optional configurations enhancing comfort.