2018 Audi S8 Sedan
- Standard turbocharged V8 provides immense power
- All-wheel drive ensures rapid acceleration
- Clean design and high-quality materials throughout the cabin
- Drives and handles like a much smaller sedan
- Not as much trunk space as you might expect for a car of its size
- Standard music interface isn't as versatile as a USB port
Which S8 does Edmunds recommend?
Edmunds' Expert Review
Few sedans are more powerful than the 2018 Audi S8. With 605 horsepower courtesy of its twin-turbocharged 4.0-liter V8 and an optional 190 mph top speed, the S8 falls into an elite group. Combined with standard all-wheel drive, the resulting acceleration can make some supercars envious.
As preposterous as its abilities may seem, the S8 remains an understated machine. It is a flagship luxury sedan, after all, and in this role comfort is as big of a priority as performance. Like the A8 on which it's based, the S8's interior boasts extensive leather upholstery and attractive materials throughout. From its smooth-riding air suspension to its extensive number of standard features, the S8 delivers on every front.
Trim levels & features
The 2018 Audi S8 is a full-size, high-performance luxury sedan that is available only in Plus trim. It employs a turbocharged 4.0-liter V8 (605 horsepower, 517 pound-feet of torque) that is connected to an eight-speed automatic transmission. All-wheel drive is standard.
As Audi's flagship sedan, the S8 comes well equipped with standard features, including 21-inch wheels, a sport-tuned adaptive air suspension, LED exterior lighting, a top-down parking camera system, parking sensors, blind-spot monitoring, a panoramic sunroof, a power trunklid and soft-close doors. Interior amenities include keyless entry and ignition, a head-up display, diamond-stitched leather seating, four-zone climate control, 22-way power-adjustable front seats (with massage, heating, and ventilation), and power rear window sunshades. The infotainment system is accessed through an 8-inch retractable center display, and it's supported by a 14-speaker Bose surround-sound system. Satellite radio is included, but the S8 continues to have Audi's proprietary music interface instead of a regular USB port.
Last year's Cold Weather and Driver Assistance packages have been combined into the Executive Plus package, which includes lane departure warning and intervention, traffic-adaptive cruise control, forward collision warning and mitigation, a heated steering wheel, heated rear seats and rear-seat pass-through. The Dynamics package fits the S8 with carbon-ceramic brakes and increases the car's top-speed limiter to 190 mph.
Notable stand-alone options include a night-vision camera system and a 19-speaker Bang & Olufsen sound system. The rest of the S8's packages are related to customizing the sedan's color and trim combinations.
Features & Specs
Our experts’ favorite S8 safety features:
- Adaptive Cruise Control with Stop & Go
- Keeps pace with the vehicle ahead of you as traffic dictates.
- Side Assist
- Watches for traffic in the places you can't see and warns you before a lane change if needed.
- Active Lane Assist
- Helps steer the vehicle back into the lane if it senses an unintended departure.
A member of the exclusive "600-Plus-Horsepower Club," the 2018 Audi S8 distinguishes itself as a full-size luxury sedan, rather than as a raucous, fire-breathing sports car. While the S8's engine draws the most attention, Audi's flagship sedan gives away nothing in comfort, convenience and handling. The S8's advanced suspension makes it a legitimate world-class sport sedan, and its interior quality matches anything the competition offers.
The S8's turbocharged V8 cranks out 605 hp and 517 pound-feet of torque. It's linked to an eight-speed automatic transmission with paddle shifters driving all four wheels through Audi's Quattro all-wheel-drive system. The S8 returns an EPA-estimated 18 mpg (15 city/24 highway).
The sport-tuned, adjustable air suspension delivers impressive cornering ability for a large executive sedan. And though it can hold its own on a twisting road, the S8 is at its best on an open highway, where the suspension settles down for a smooth, comfortable and controlled ride.
With typical design cues from the Audi family tree, the S8's exterior style may not captivate onlookers, but its spacious cabin rivals that of a private jet or European sports yacht. Leather, wood and other upscale materials abound, capped by features including heated and cooled front seats with massage functions, multizone automatic climate control and a premium sound system.
Technology includes an easy-to-use infotainment system with navigation, a head-up display, Bluetooth connectivity and Audi Parking System Plus, which provides an overhead view of the car and sensors that warn the driver of nearby obstacles. The standard S8, available in only one trim level, is equipped so generously that most buyers won't need to add much. But those seeking increased performance and luxury features, or additional driver assistance systems, can choose from several packages and options.
Whatever your preference, let Edmunds help you find the 2018 Audi S8 that best meets your needs.
2018 Audi S8 Sedan Overview
The 2018 Audi S8 Sedan is offered in the following styles: , and plus quattro 4dr Sedan AWD (4.0L 8cyl Turbo 8A).
What do people think of the 2018 Audi S8 Sedan?
Consumer ratings and reviews are also available for the 2018 Audi S8 Sedan and all its trim types. 0 Edmunds consumer reviews allow users to sift through aggregated consumer reviews to understand what other drivers are saying about any vehicle in our database. Detailed rating breakdowns (including performance, comfort, value, interior, exterior design, build quality, and reliability) are available as well to provide shoppers with a comprehensive understanding of why customers like the 2018 S8 Sedan.
Edmunds Expert Reviews
Edmunds experts have compiled a robust series of ratings and reviews for the 2018 Audi S8 Sedan and all model years in our database. Our rich analysis includes expert reviews and recommendations for the 2018 S8 Sedan featuring deep dives into trim levels including plus quattro, etc. with careful analysis around pricing, features, performance, mpg, safety, interior, and driving and performance. Edmunds also offers expert ratings, road test and performance data, long-term road tests, first-drive reviews, video reviews and more.Read our full review of the 2018 Audi S8 Sedan here.
Our Review Process
This review was written by a member of Edmunds' editorial team of expert car reviewers. Our team drives every car you can buy. We put the vehicles through rigorous testing, evaluating how they drive and comparing them in detail to their competitors.
We're also regular people like you, so we pay attention to all the different ways people use their cars every day. We want to know if there's enough room for our families and our weekend gear and whether or not our favorite drink fits in the cupholder. Our editors want to help you make the best decision on a car that fits your life.
What's a good price for a New 2018 Audi S8 Sedan?
Shop with Edmunds for perks and special offers on new cars, trucks, and SUVs near Ashburn, VA. Doing so could save you hundreds or thousands of dollars. Edmunds also provides consumer-driven dealership sales and service reviews to help you make informed decisions about what cars to buy and where to buy them.
Which 2018 Audi S8 Sedans are available in my area?
2018 Audi S8 Sedan Listings and Inventory
Simply research the type of used car you're interested in and then select a car from our massive database to find cheap used cars for sale near you. Once you have identified a vehicle you're interested in, check the Carfax and Autocheck vehicle history reports, read dealer reviews, and find out what other owners paid for the 2018 Audi S8 Sedan.
Shop Edmunds' car, SUV, and truck listings of over 6 million vehicles to find a cheap new, used, or certified pre-owned (CPO) 2018 Audi S8 Sedan for sale near you.
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Find a new Audi S8 for sale - 10 great deals out of 13 listings starting at $15,033.
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Why trust Edmunds?
Edmunds has deep data on over 6 million new, used, and certified pre-owned vehicles, including all models of the 2018 Audi S8 Sedan and all available trim types: plus quattro. Rich, trim-level features & specs and options data tracked for the 2018 Audi S8 Sedan include (but are not limited to): MSRP, available incentives and deals, average price paid, warranty information (basic, drivetrain, and maintenance), features (interior and exterior color, upholstery, bluetooth, navigation, cruise control, parking assistance, lane sensing, keyless ignition, satellite radio, folding rears seats,run flat tires, wheel type, tire size, sunroof, etc.), vehicle specifications (engine cylinder count, drivetrain, engine power, torque, engine displacement, transmission), fuel economy and MPG (city, highway, and combined, fuel capacity, range), vehicle dimensions (interior cabin space, vehicle length and width, seating capacity, cargo space). Edmunds also provides tools to allow shopper to compare vehicles to similar models of their choosing by warranty, interior features, exterior features, specifications, vehicle dimensions, consumer rating, edmunds expert review, safety rating, and color.
Should I lease or buy a 2018 Audi S8?
Is it better to lease or buy a car? Ask most people and they'll probably tell you that car buying is the way to go. And from a financial perspective, it's true, provided you're willing to make higher monthly payments, pay off the loan in full and keep the car for a few years. Leasing, on the other hand, can be a less expensive option on a month-to-month basis. It's also good if you're someone who likes to drive a new car every three years or so.