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2018 Audi A6 Review

The 2018 Audi A6 finishes in the top half of our luxury midsize car rankings. This German sedan boasts a premium interior, enjoyable performance, and a great safety score. However, it misses out on a top spot in our rankings because several rivals have better predicted reliability ratings.

Pros & Cons

  • Powerful engines and nimble handling
  • Opulent interior
  • Good gas mileage
  • User-friendly tech features
  • Ride can be harsh over rough pavement

New for 2018

  • MMI system with navigation became standard
  • Supercharged V6 puts out 340 horsepower in all trims




Critics' Rating: 9.6
Performance: 9.2
Interior: 9.2
Total Cost of Ownership: 7.7
Safety: 10.0
J.D. Power Ratings Logo

2018 Audi A6 Overview

Is the 2018 Audi A6 a Good Used Car?

Yes, the 2018 Audi A6 is a good used luxury midsize car. If offers a trio of energetic engines, lots of tech, and perhaps the nicest cabin in the class. In other words, the A6 has something for every shopper.

There are several reasons to buy the 2018 A6:

  • Top-notch interior that stands out even among luxury vehicles
  • Easy-to-use infotainment system
  • Two rows of spacious, comfortable seats
  • Available with your choice of three powerful engines
  • Earns good fuel economy ratings
  • Adept handling

It has few notable weaknesses:

  • Ride quality suffers over rough pavement
Why You Can Trust Us

Our Audi A6 review includes far more than just one person's opinion. We collected professional evaluations from 54 sources and combined them with concrete data like fuel economy estimates, safety features, and performance specs to help you make an informed buying decision.

The U.S. News Best Cars team has been ranking cars, trucks, and SUVs since 2007, and our staff has more than a combined 75 years of automotive industry experience. To ensure our impartiality, we never accept expensive gifts or trips from car companies, and an outside team handles the advertising on our site.

How Much Is the 2018 Audi A6?

Based on listings for the 2018 Audi A6 on our site, the average price is $36,200. Prices range from $28,800 to $45,500 and vary depending on the vehicle’s condition, mileage, features, and location.

See the Best Used Car Deals »

How Much Does the 2018 Audi A6 Cost to Own?

The 2018 A6’s five-year costs for gas, insurance, repairs, and maintenance are projected to be around $29,650, or $5,930 per year. That’s slightly above average for a luxury midsize car.

Is It Better to Buy a Used or New A6?

Audi fully redesigned the A6 for the 2019 model year. In addition to updated interior and exterior designs, the 2019 A6 sees changes under the hood and some additions to the list of features. The new A6 powertrain consists of a turbocharged V6 engine, a seven-speed dual-clutch automatic transmission, and standard all-wheel drive. The 2018 Audi A6 came standard with front-wheel drive and offered a turbocharged four-cylinder engine or a supercharged V6. The other big change is a new dual-screen infotainment system that’s working its way into most new Audi vehicles. It eschews the central rotary controller that was a hallmark of Audis and gives a more high-tech and futuristic feel to the A6’s cabin.

Pricing for a 2019 Audi A6 starts at $58,900. You can likely save thousands of dollars by going with a used Audi A6 and will get a fine car, but you’ll miss out on the design changes and the new powertrain.

Read about the new Audi A6 »

For the A6, 2018 marks the final model year of a generation that began with the 2012 A6. You can likely save thousands of dollars by shopping for a used A6, though you'll want to sort through the differences from each year.

We recommend starting your search with the 2016 A6. For 2016, the A6 received updated styling inside and out, and the old continuously variable automatic transmission was dropped in favor of seven- and eight-speed automatics. Further, each of the three available engines got a decent bump in horsepower.

Android Auto and Apple CarPlay became available for 2017, and a new Competition trim with sport seats, a sport suspension, and sportier styling debuted. Audi also made a rearview camera and parking sensors standard for 2017 – you can find them in older models, but you’ll have to search a bit to find them.

The MMI infotainment system with navigation became standard for 2018, and the supercharged V6 engine received a modest boost in horsepower.

Compare the 2017, 2018, and 2019 A6 »

See the Best New Car Deals »

See the Best New Car Lease Deals »

How Reliable Is the 2018 Audi A6?

J.D. Power gives the 2018 A6 a predicted reliability rating of three out of five, which is about average.

Read more about A6 reliability »

2018 Audi A6 Recalls

At the time of writing, there are no recalls for the 2018 Audi A6.

See more information on Audi A6 safety recalls »

Which Used Audi A6 Trim Is Right for Me?

The 2018 Audi A6 comes in two models (A6 and S6) and three trims: Premium, Premium Plus, and Prestige. The S6 is only available in the latter two trim levels. Every model comes with plenty of features, so nobody would fault you for sticking with the base trim.

There’s really no need to go higher than the Premium Plus unless you want the V8 engine, which packs an outstanding punch but comes with a much higher price. The V8 is only available in S6 trims.

  • Audi A6 Premium: Despite the name, the A6 Premium is actually the base trim. It comes with front-wheel drive and a turbocharged four-cylinder engine. Standard features include leather upholstery, tri-zone automatic climate control, a sunroof, a 10-speaker sound system, satellite radio, Bluetooth, a 5-inch driver information display in the gauge cluster, an 8.3-inch infotainment display, and navigation. You may find Premium models with all-wheel drive, the supercharged V6 engine, heated seats, and a heated steering wheel.
  • Audi A6 Premium Plus: Front-wheel drive and the turbo-four are standard in the A6 Premium Plus; all-wheel drive and the V6 are available. In addition to the Premium’s feature list, the Premium Plus comes with quad-zone automatic climate control, a Bose audio system, and blind spot monitoring. You might also find Premium Plus trims with features like adaptive cruise control, lane keep assist, forward collision warning, and automatic emergency braking.
  • Audi A6 Prestige: The A6 Prestige comes standard with the supercharged V6 and all-wheel drive. In addition to the lower trims’ features, the Prestige comes with a power trunk lid, ventilated front seats, and a head-up display. You may also find Prestige models with the Night Vision Assistant, a Bang & Olufsen audio system, and contoured front seats.
  • Audi S6 Premium Plus: The Audi S6 Premium Plus is the high-performance variant of the A6. All S6 models come standard with all-wheel drive and a turbocharged V8 engine. Its features list is nearly identical to the A6 Premium Plus’, though the S6 edition adds a few sport-oriented touches like larger brakes and a sport-tuned suspension.
  • Audi S6 Prestige: The S6 Prestige is the range-topping trim. Like the Premium Plus, the S6 Prestige’s features list closely mirrors the A6 Prestige’s, with the exception of a few performance upgrades.

See 2018 Audi A6 trims and specs »

What Does Audi's Certified Pre-Owned Warranty Cover?

Audi offers a certified pre-owned program for cars five years old or less and with fewer than 60,000 miles. Qualifying vehicles bought under the new-car warranty period have coverage until five years from the vehicle’s original in-service date, with no mileage limitation. Certified pre-owned Audis purchased after the four-year new-car warranty has ended receive an additional one-year/unlimited-mileage comprehensive warranty. This is not an extension of the new-car warranty. The two warranties differ in important ways, so read Audi’s warranty page carefully. Audi CPO models must pass a 300-plus-point inspection.

Among luxury car manufacturers, Audi’s CPO program is about average, according to our research. You’ll find better programs from Infiniti, Lexus, and Jaguar.

See the best CPO programs »

How Safe Is the A6?

The Insurance Institute for Highway Safety gave the 2018 A6 the highest rating of Good in five crash tests. The A6's headlights earned either the second-lowest rating of Marginal or the lowest rating of Poor, depending on the trim level and option packages. Properly equipped A6 models earned an Advanced designation for front crash prevention.

The National Highway Traffic Safety Administration gave the 2018 A6 an overall rating of five out of five stars. It also earned five stars in the frontal crash, side crash, and rollover tests.

Standard advanced safety features:

  • rearview camera
  • front and rear parking sensors
  • Audi Pre Sense (pre-collision system that tightens seat belts and raises windows when a collision is imminent)

Available advanced safety features:

  • blind spot monitoring
  • adaptive cruise control
  • 360-degree parking camera
  • lane keep assist
  • forward collision warning
  • automatic emergency braking
  • night vision assistant

See A6 safety scores »

2018 Audi A6 Versus the Competition

Which Is Better: 2018 Audi A6 or 2018 Mercedes-Benz E-Class?

The 2018 Mercedes-Benz E-Class earns a below-average predicted reliability rating, but otherwise, it's competitive with the A6. The Mercedes has an opulent interior, comfortable seats, and plenty of features. These include some that the A6 doesn’t offer, such as driver drowsiness monitoring and evasive steering assist. The E-Class’ trunk is smaller than the A6’s, however.

Like its Audi rival, this Mercedes features several engine options, though none are as fuel-efficient as the A6's. The E-Class delivers a smoother ride (some would say the best ride in the class), but it is a bit less athletic than the Audi. If you’re choosing between them, let your personal preferences be the ultimate deciding factor.

Which Is Better: 2018 Audi A6 or 2018 Cadillac CTS?

The 2018 Cadillac CTS delivers great performance. Its standard engine bests the A6’s for horsepower, and there are more-powerful engines available. The CTS has sharp handling and a comfortable ride. The interior is nicely styled and made with quality materials, but it isn't up to the A6's standards. Additionally, the Audi has a better predicted reliability rating. The A6 and CTS share many similarities, but the Audi is a little ahead of the Cadillac.

Compare the A6, E-Class, and CTS »

2018 A6 Performance

How Does the 2018 Audi A6 Drive?

The standard engine in this Audi is a turbo-four that provides plenty of power for all driving situations. There are two stronger engine options – a V6 and a V8 – for those with a thirst for more power. Both are significantly quicker than the base engine, and the V8, which comes in the high-performance S6, can propel this Audi from zero to 60 mph in under 4.5 seconds. The automatic transmissions deliver well-timed shifts.

On the road, the A6 feels smaller than it is and handles winding back roads with composure. When equipped with the Quattro all-wheel-drive system, the A6 also has outstanding road grip. The ride is a bit rough over uneven pavement at times, but it generally feels comfortable.

  • Base engine: 252-horsepower turbocharged 2.0-liter four-cylinder
  • Available engines:
    • 340-horsepower supercharged 3.0-liter V6
    • 450-horsepower turbocharged 4.0-liter V8
  • Drivetrain: standard front-wheel drive; available Quattro all-wheel drive (standard AWD with the available engines)
  • Transmission: seven-speed dual-clutch automatic (FWD models); eight-speed automatic (AWD models)
Does the 2018 Audi A6 Get Good Gas Mileage?

The A6 gets its best fuel economy with the base engine and front-wheel drive. With that setup, this Audi earns above-average ratings for a luxury midsize sedan. Ratings drop with all-wheel drive and with the more powerful engines.

  • Four-cylinder, FWD: 25/34 mpg city/highway
  • Four-cylinder, AWD: 22/31 mpg
  • V6, AWD: 20/29 mpg
  • V8, AWD: 16/24 mpg

Read more about A6 performance »

2018 A6 Interior

How Many People Does the 2018 A6 Seat?

The 2018 A6 seats five people in two rows. The cabin is one of the nicest in the class; it looks good and features lots of premium materials. Both rows of seats have plenty of space for adult passengers. The front seats are comfortable and have enough support for long drives, and the driver has great visibility.

Standard seating features:

  • leather upholstery
  • power-adjustable front seats
  • heated front seats

Available seating features:

  • premium leather upholstery
  • front sport seats
  • ventilated front seats
  • massaging front seats
  • heated rear seats
  • heated steering wheel
How Many Child Car Seats Fit in the 2018 Audi A6?

The 2018 A6 has two complete sets of LATCH car-seat connectors on the rear outboard seats and an upper tether on the rear middle seat. All of the anchor points are accessible, which is why the Insurance Institute for Highway Safety gave the 2018 A6's LATCH system the highest rating of Good for ease of use.

2018 Audi A6 Features

The A6 comes with Audi's MMI infotainment system. It's a good setup with an intuitive and responsive interface. The screen's graphics look crisp, and the controls are user-friendly.

  • Standard infotainment features: a 10-speaker sound system, satellite radio, Bluetooth, a 5-inch driver information display in the gauge cluster, an 8.3-inch infotainment display screen, and navigation
  • Available infotainment features: a 14-speaker Bose surround-sound system, a Bang & Olufsen advanced sound system, HD Radio, a touchpad with handwriting recognition, Android Auto, Apple CarPlay, a 7-inch color driver-information system, and Audi Connect services
  • Additional standard features: tri-zone automatic climate control and a sunroof
  • Other available features: quad-zone automatic climate control, proximity key entry, and remote start

See 2018 Audi A6 specs »

Read more about A6 interior »

2018 Audi A6 Dimensions

Audi A6 Cargo Space

The A6 has 14.1 cubic feet of trunk space, which is typical for this class. You can fold the rear seats down when you need to haul larger items, but the narrow trunk opening makes it tough to load bigger objects. The liftover height is low, which is a plus. A power trunk lid is available.

These cargo dimensions are for comparative purposes. There is no substitute for visually examining the storage area in any car you’re considering.

2018 Audi A6 Length and Weight
  • Length: 16 feet, 2 inches
  • Curb weight: 3,858 to 4,497 pounds

Where Was the 2018 Audi A6 Built?

Audi built the A6 in Germany.

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