The 2018 Audi S8 is a high-performance luxury sedan, embodying Audi's commitment to blending power and sophistication. As a part of the A8 lineage, the S8 offers a sportier edge. This model year represents the tail end of the third generation. Available in a single well-equipped trim, the S8 was priced around $118,000 when new. Its blend of potent V8 power, quattro all-wheel drive, and opulent interior makes it a popular choice for drivers seeking exhilarating performance without sacrificing comfort or luxury.
The Good
The 2018 Audi S8 offers thrilling performance thanks to its powerful V8 engine and quattro all-wheel drive. It provides a comfortable and luxurious interior with premium materials and advanced technology. Its sleek design is both sophisticated and sporty. While not the most fuel-efficient, it delivers impressive power. It appeals to both emotion with its performance and to practical buyers with its features and luxury.
The Bad
Potential weaknesses of the 2018 Audi S8 include higher running costs due to its performance-oriented nature. Air suspension systems can be prone to issues over time, requiring costly repairs. Complex electronics can also present challenges. Finally, fuel economy isn't a strong suit. Be sure to inspect the maintenance history and air suspension carefully before purchasing.
2018 Audi S8: Quick Overview
- Engine Options: 4.0-liter Twin-Turbocharged V8
- Horsepower: 605 hp (S8 Plus) / 520 hp (Standard S8)
- Fuel Economy:
- City: 15 mpg
- Highway: 25 mpg
- Combined: 19 mpg
- 0–60 Times:
- S8 Plus: 3.3 seconds
- Standard S8: 3.9 seconds
- Towing Capacity: Not Recommended
- Trim-Level Features:
The 2018 Audi S8 was offered in a single, highly equipped trim, with the S8 Plus representing a performance upgrade.
Key features included:- Quattro all-wheel drive
- Adaptive air suspension
- Sport rear differential
- LED headlights
- Valcona leather upholstery
- Heated and ventilated front seats with massage function
- Power-adjustable rear seats
- Four-zone automatic climate control
- Audi MMI navigation plus with touchpad
- Bose surround sound system
- Audi connect online services
- Blind spot monitoring
- Lane keeping assist
- Adaptive cruise control
- Night vision assistant (optional)
- Carbon fiber interior trim (S8 Plus)
- Sport exhaust system (S8 Plus)
2018 Audi S8 Specifications
Vehicle Information
| Year | 2018 |
| Make | Audi |
| Model | S8 |
| Trim | - |
| Style | Sedan All-Wheel Drive |
| Type | Sedan |
| Category | Mid-Size Car |
Manufacturing Details
| Made In | Germany |
| Manufacturing City | NECKARSULM |
Dimensions
| Doors | 4-Door |
| Curb Weight | - |
| Gross Vehicle Weight Rating | 7000 pounds |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | 5 |
Engine & Performance
| Engine | 4 8 |
| Engine Size | 4L |
| Engine Cylinders | 8 |
| Transmission | - |
| Transmission Type | Automatic |
| Transmission Speeds | - |
| Drivetrain | All-Wheel Drive |
Additional Features
| Anti-Brake System | Standard |
| Steering Type | - |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | $115,900 |
| Invoice Price | $107,788 |
| Delivery Charges | $975 |
Vehicle History Report
Vehicle
Specifications
Specifications
Ownership
History
History
All History
Events
Events
NMVTIS Title
History Check
History Check
Salvage/Rebuilt
Check
Check
Accident
Check
Check
Theft
Check
Check
Open Lien
Check
Check
Past Sale
Listings
Listings
Safety
Recalls
Recalls
Odometer
Check
Check
Market Price
Analysis
Analysis
What Problems Does the 2018 Audi S8 Have?
The 2018 Audi S8, while generally reliable, does have some potential problem areas to consider. The air suspension system, a key component of its ride quality, can be susceptible to leaks and compressor failures over time, leading to costly repairs. Complex electronics, including the MMI infotainment system, can occasionally experience glitches or software issues. Oil leaks, particularly from the turbochargers or valve cover gaskets, have also been reported. It is recommended to inspect for oil stains and check the service history for any previous repairs.
While recalls specifically targeting the 2018 S8 may be limited, it's advisable to check the NHTSA (National Highway Traffic Safety Administration) website for any outstanding recalls related to the vehicle's components or systems. Long-term reliability concerns mainly revolve around the cost of maintaining the advanced technology and performance-oriented components. Regular maintenance, using high-quality parts, is crucial to minimizing potential issues. Pre-purchase inspections by a qualified mechanic familiar with Audi vehicles are highly recommended to identify any existing problems and assess the overall condition of the car.
While recalls specifically targeting the 2018 S8 may be limited, it's advisable to check the NHTSA (National Highway Traffic Safety Administration) website for any outstanding recalls related to the vehicle's components or systems. Long-term reliability concerns mainly revolve around the cost of maintaining the advanced technology and performance-oriented components. Regular maintenance, using high-quality parts, is crucial to minimizing potential issues. Pre-purchase inspections by a qualified mechanic familiar with Audi vehicles are highly recommended to identify any existing problems and assess the overall condition of the car.
How long will the 2018 Audi S8 last?
The 2018 Audi S8, if properly maintained, can easily reach 150,000 miles or more. Years of service depend on annual mileage, but a well-cared-for model can provide reliable transportation for 10-15 years. Long-term durability is generally good, but the air suspension and complex electronics are potential weaknesses that could require attention as the vehicle ages. Regular maintenance, including timely oil changes, fluid checks, and inspections of the suspension system, are crucial for maximizing its lifespan. Owners who prioritize preventative maintenance will likely experience fewer problems and longer vehicle life.
What Technology & Safety Features are Included?
The 2018 Audi S8 boasts a comprehensive suite of technology, entertainment, driver-assistance, and safety features. Standard tech includes Audi's MMI infotainment system with navigation and touchpad, a Bose surround sound system, Audi Connect online services, and Bluetooth connectivity.
Driver-assistance features are plentiful, including blind-spot monitoring, lane-keeping assist, adaptive cruise control, and a rearview camera. Optional features include night vision assistant, which uses infrared technology to detect pedestrians and animals in low-light conditions, and a head-up display that projects important information onto the windshield.
Safety features consist of antilock brakes, stability control, front and rear side airbags, and full-length side curtain airbags. While specific crash-test ratings for the 2018 Audi S8 may be limited, the A8 model it's based on typically performs well in safety tests conducted by the IIHS (Insurance Institute for Highway Safety) and NHTSA (National Highway Traffic Safety Administration). The S8's robust construction and advanced safety systems contribute to a high level of occupant protection. These systems provide a secure and enjoyable driving experience.
Driver-assistance features are plentiful, including blind-spot monitoring, lane-keeping assist, adaptive cruise control, and a rearview camera. Optional features include night vision assistant, which uses infrared technology to detect pedestrians and animals in low-light conditions, and a head-up display that projects important information onto the windshield.
Safety features consist of antilock brakes, stability control, front and rear side airbags, and full-length side curtain airbags. While specific crash-test ratings for the 2018 Audi S8 may be limited, the A8 model it's based on typically performs well in safety tests conducted by the IIHS (Insurance Institute for Highway Safety) and NHTSA (National Highway Traffic Safety Administration). The S8's robust construction and advanced safety systems contribute to a high level of occupant protection. These systems provide a secure and enjoyable driving experience.
What Colors Options are Available?
Exterior Colors
Brilliant Black
Ibis White
Daytona Gray Pearl Effect
Florett Silver Metallic
Glacier White Metallic
Mythos Black Metallic
Argus Brown Metallic
Mulliner White
Express Red
Prism Silver Crystal Effect
Night Blue
Interior Colors
Black interior
Velcona Leather Black
Velcona Leather Nougat Brown
Cognac Brown Fine Nappa Leather
Vermont Brown Fine Nappa Leather
Lunar Silver Fine Nappa Leather
Steel Gray
Metro Gray
Saiga Beige
2018 Audi S8 Prices and Market Value
When new, the 2018 Audi S8 had an MSRP of approximately $118,000. Current used market prices range from $35,000 to $55,000, depending on mileage, condition, and options. The S8 experiences significant depreciation, typical for luxury sedans. Factors affecting resale value include mileage, condition, service history, and optional equipment. Cars with lower mileage, a clean title, and documented maintenance records command higher prices. The S8 Plus variant may hold its value slightly better due to its increased performance and exclusivity.
2018 Audi S8 Cost of Ownership
The 2018 Audi S8 is a costly vehicle to own. Insurance premiums are high due to its performance and value. Fuel costs are considerable, given its V8 engine. Maintenance and repairs can be expensive, especially for the air suspension and complex electronics. Long-term ownership requires a significant financial commitment. While not economical, the S8 offers a unique blend of luxury and performance for those willing to bear the associated costs.
2018 Audi S8 Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
-
City Mileage
15 miles/gallon
Highway Mileage
24 miles/gallon
2018 Audi S8 Safety Rating
NHTSA
2018 Audi S8 Insurance
Insurance for a 2018 Audi S8 is moderately priced, reflecting its status as a Sedan with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2018 Audi S8 Compare to Other Sedan?
The 2018 Audi S8 competes with other high-performance luxury sedans like the BMW M5, Mercedes-AMG S63, and Porsche Panamera. In terms of performance, the S8 offers competitive acceleration and handling, though the M5 might be considered slightly more engaging to drive. Feature-wise, the S8 is well-equipped, but rivals offer similar levels of luxury and technology. Reliability is a mixed bag, with the German rivals all having potential issues related to their complex systems.
In terms of price, the S8 falls within the same range as its competitors. If you prioritize outright performance and driving dynamics, the BMW M5 might be a better choice. If comfort and technology are paramount, the Mercedes-AMG S63 could be more appealing. The Porsche Panamera offers a sportier driving experience with a wider range of engine options. Ultimately, the best alternative depends on individual preferences and priorities. However, the S8 is a compelling option offering a balanced blend of luxury, performance, and all-weather capability thanks to quattro.
In terms of price, the S8 falls within the same range as its competitors. If you prioritize outright performance and driving dynamics, the BMW M5 might be a better choice. If comfort and technology are paramount, the Mercedes-AMG S63 could be more appealing. The Porsche Panamera offers a sportier driving experience with a wider range of engine options. Ultimately, the best alternative depends on individual preferences and priorities. However, the S8 is a compelling option offering a balanced blend of luxury, performance, and all-weather capability thanks to quattro.
Ranks #931 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★) |
| 931 | 2018 Audi S8 | (0.0★) |
Final Verdict: Is the 2018 Audi S8 a Good Sedan?
The 2018 Audi S8 is ideal for buyers seeking a luxurious and powerful sedan with all-weather capability. It's worth buying if you appreciate its blend of performance and comfort, and are prepared for the associated ownership costs. Purchasing a used S8 can be a good value proposition, provided you conduct a thorough inspection and obtain a comprehensive maintenance history. Consider the S8 Plus if you desire the ultimate performance from this generation. If budget is a concern or long-term maintenance worries you, consider a less complex alternative, but the S8 offers a unique and compelling package for the right buyer.
Simon A
Simon is a contributor to VinCheck, where he provides articles and reviews on various automotive topics. His work focuses on delivering accurate and up-to-date information about used cars, helping readers make informed decisions.