The 2018 Audi A6 is a mid-size luxury sedan, part of the fourth-generation (C7) A6, which ran from 2011-2018. Key trims include Premium, Premium Plus, and Prestige. Pricing ranged from around $50,000 new, now significantly less on the used market. The A6 is known for its refined driving experience, elegant interior, and advanced technology, setting it apart in a competitive segment. It's popular for its blend of luxury, performance, and understated style.
The Good
The 2018 Audi A6 offers a compelling blend of advantages. Performance is strong thanks to its potent engine options. Comfort is exceptional with a luxurious interior and smooth ride. The design is both elegant and modern. For the practical buyer, it offers decent fuel efficiency and a reputation for reliability. Emotionally, it provides a sense of prestige and a rewarding driving experience.
The Bad
Potential weaknesses of the 2018 Audi A6 include higher maintenance costs compared to some competitors due to its complex engineering. The infotainment system, while advanced, can sometimes be finicky. Some owners have reported issues with the electronic systems. Repair costs, especially for sophisticated components, can be substantial. It's crucial to have a pre-purchase inspection.
2018 Audi A6: Quick Overview
- Engine Options:
- 2.0-liter turbocharged four-cylinder (2.0T)
- 3.0-liter supercharged V6 (3.0T)
- Horsepower:
- 2.0T: Approximately 252 hp
- 3.0T: Approximately 333 hp
- Fuel Economy (EPA Estimated):
- 2.0T: Around 25 mpg city / 35 mpg highway
- 3.0T: Around 21 mpg city / 30 mpg highway
- 0-60 Times:
- 2.0T: Approximately 6.7 seconds
- 3.0T: Approximately 5.1 seconds
- Towing Capacity: Not typically equipped for towing. Marginal towing capacity if any, not recommended for significant loads.
- Trim-Level Features:
- Premium: Leather seats, sunroof, Audi pre sense basic and front, MMI infotainment system, rearview camera.
- Premium Plus: Adds Audi connect, navigation, blind-spot monitoring, Bose sound system, and LED headlights.
- Prestige: Adds adaptive cruise control, head-up display, ventilated front seats, power trunk, and corner view camera system.
- Drivetrain: Front-wheel drive standard on 2.0T, available Quattro all-wheel drive on both engines.
2018 Audi A6 Specifications
Vehicle Information
| Year | 2018 |
| Make | Audi |
| Model | A6 |
| Trim | - |
| Style | - |
| Type | Sedan |
| Category | Large Car |
Manufacturing Details
| Made In | Germany |
| Manufacturing City | NECKARSULM |
Dimensions
| Doors | 4-Door |
| Curb Weight | - |
| Gross Vehicle Weight Rating | - |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | 3.0-T |
| Engine Size | 3L |
| Engine Cylinders | 4 |
| Transmission | 7-Speed Automatic |
| Transmission Type | Automatic |
| Transmission Speeds | 7-Speed |
| Drivetrain | Front-Wheel Drive |
Additional Features
| Anti-Brake System | - |
| Steering Type | - |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | $51,900 |
| Invoice Price | $48,268 |
| Delivery Charges | $975 |
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What Problems Does the 2018 Audi A6 Have?
Frequently reported problems for the 2018 Audi A6 can include issues with the MMI infotainment system, such as glitches, freezing, or connectivity problems. Some owners have reported oil leaks, particularly in higher-mileage vehicles. Issues with the cooling system, like water pump failures, have also been noted. The adaptive cruise control system can occasionally malfunction, according to some reports.
Recalls for the 2018 A6 were issued related to potential fuel leaks due to faulty fuel rail sensors, which could increase the risk of fire. Other recalls may have addressed issues with airbags or other safety-related components. It's crucial to check the NHTSA website for the most up-to-date recall information.
Long-term reliability concerns generally revolve around the complexity of the vehicle's systems. Electronic components, turbochargers (especially in the 2.0T), and the multi-speed automatic transmission may require attention as the car ages. Regular maintenance, including timely oil changes and fluid flushes, is essential for mitigating potential problems. The supercharged V6 (3.0T) is generally considered more robust than the 2.0T, but both require vigilant care.
Recalls for the 2018 A6 were issued related to potential fuel leaks due to faulty fuel rail sensors, which could increase the risk of fire. Other recalls may have addressed issues with airbags or other safety-related components. It's crucial to check the NHTSA website for the most up-to-date recall information.
Long-term reliability concerns generally revolve around the complexity of the vehicle's systems. Electronic components, turbochargers (especially in the 2.0T), and the multi-speed automatic transmission may require attention as the car ages. Regular maintenance, including timely oil changes and fluid flushes, is essential for mitigating potential problems. The supercharged V6 (3.0T) is generally considered more robust than the 2.0T, but both require vigilant care.
How long will the 2018 Audi A6 last?
With proper maintenance, a 2018 Audi A6 can reasonably be expected to last for 150,000 to 200,000 miles or 10-15 years. Good maintenance habits are key, including adhering to the recommended service schedule, using high-quality fluids, and addressing minor issues promptly. Long-term durability can be affected by the quality of roads driven on and climate conditions. Weaknesses over time may include wear and tear on suspension components, potential for oil leaks, and the need for more frequent servicing of the transmission. The complexity of electronics can also contribute to potential future failures.
What Technology & Safety Features are Included?
The 2018 Audi A6 boasts a comprehensive suite of technology and safety features. Standard tech includes the MMI infotainment system with a central display screen, smartphone integration (Apple CarPlay and Android Auto), and a rearview camera. Entertainment features include a premium sound system, USB ports, and available satellite radio.
Driver-assistance features, depending on the trim, include Audi pre sense basic and front (automatic emergency braking), blind-spot monitoring, lane departure warning, and adaptive cruise control. Optional features include a head-up display, corner view camera system, and night vision assist.
Safety features encompass standard airbags, anti-lock brakes, and electronic stability control. Optional features include rear cross-traffic alert and Audi side assist.
Crash-test ratings from the IIHS (Insurance Institute for Highway Safety) and NHTSA (National Highway Traffic Safety Administration) were generally positive. The 2018 A6 earned good scores in most IIHS crash tests, and received a 5-star overall safety rating from NHTSA, reflecting its strong safety performance. Check official IIHS and NHTSA websites for detailed reports.
Driver-assistance features, depending on the trim, include Audi pre sense basic and front (automatic emergency braking), blind-spot monitoring, lane departure warning, and adaptive cruise control. Optional features include a head-up display, corner view camera system, and night vision assist.
Safety features encompass standard airbags, anti-lock brakes, and electronic stability control. Optional features include rear cross-traffic alert and Audi side assist.
Crash-test ratings from the IIHS (Insurance Institute for Highway Safety) and NHTSA (National Highway Traffic Safety Administration) were generally positive. The 2018 A6 earned good scores in most IIHS crash tests, and received a 5-star overall safety rating from NHTSA, reflecting its strong safety performance. Check official IIHS and NHTSA websites for detailed reports.
What Colors Options are Available?
Exterior Colors
Brilliant Black
Ibis White
Glacier White Metallic
Mythos Black Metallic
Tornado Gray Metallic
Floret Silver Metallic
Argus Brown Metallic
Matador Red Metallic
Moonlight Blue Metallic
Interior Colors
Dakota Beige
Nougat Brown
Black
Atlas Beige
Cedar Brown
2018 Audi A6 Prices and Market Value
When new, the 2018 Audi A6 had an MSRP ranging from approximately $50,000 to $60,000+ depending on the trim and options. Current used market prices vary widely based on mileage, condition, and location, typically ranging from $20,000 to $35,000. The A6 has experienced significant depreciation due to its luxury status and the tendency for luxury vehicles to depreciate faster than mainstream cars. Factors affecting resale value include maintenance history, accident-free status, low mileage, and desirable options like Quattro all-wheel drive and advanced driver-assistance systems. Higher trims (Prestige) tend to hold their value better.
2018 Audi A6 Cost of Ownership
The 2018 Audi A6 is generally considered costly to own. Insurance premiums tend to be higher due to its luxury status and repair costs. Fuel costs are moderate, but premium fuel is recommended. Maintenance, including oil changes and inspections, can be expensive. Repairs, especially for complex components, can be very costly. Long-term ownership costs are significant due to potential issues with electronics, turbochargers, and other systems. Budgeting for these expenses is crucial when considering a used A6.
2018 Audi A6 Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
23 gallons
City Mileage
25 miles/gallon
Highway Mileage
34 miles/gallon
2018 Audi A6 Safety Rating
NHTSA
2018 Audi A6 Insurance
Insurance for a 2018 Audi A6 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 A6 Compare to Other Sedan?
The 2018 Audi A6 competes with the BMW 5 Series, Mercedes-Benz E-Class, Lexus GS, and Volvo S90. In terms of performance, the A6 offers a balance, but the BMW 5 Series often edges it out in sporty handling. The Mercedes-Benz E-Class provides a more luxurious ride. Regarding features, the A6 is well-equipped, but the E-Class and 5 Series may offer more advanced technology options.
Reliability is a mixed bag. Lexus GS is known for its superior reliability. The A6 can be less reliable than the Lexus and perhaps the Volvo S90, but potentially on par with the BMW and Mercedes depending on maintenance. Price-wise, used A6 models can be competitive, but maintenance costs can offset initial savings.
Alternatives: A Lexus GS offers better reliability. The BMW 5 Series provides a sportier driving experience. The Mercedes-Benz E-Class delivers a more luxurious experience. The Volvo S90 offers a unique Scandinavian design and strong safety features. If reliability is a top priority, the Lexus GS is a better choice. If driving dynamics are paramount, the BMW 5 Series is preferable. If luxury is the focus, the Mercedes E-Class is a strong contender.
Reliability is a mixed bag. Lexus GS is known for its superior reliability. The A6 can be less reliable than the Lexus and perhaps the Volvo S90, but potentially on par with the BMW and Mercedes depending on maintenance. Price-wise, used A6 models can be competitive, but maintenance costs can offset initial savings.
Alternatives: A Lexus GS offers better reliability. The BMW 5 Series provides a sportier driving experience. The Mercedes-Benz E-Class delivers a more luxurious experience. The Volvo S90 offers a unique Scandinavian design and strong safety features. If reliability is a top priority, the Lexus GS is a better choice. If driving dynamics are paramount, the BMW 5 Series is preferable. If luxury is the focus, the Mercedes E-Class is a strong contender.
Ranks #923 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★) |
| 923 | 2018 Audi A6 | (0.0★) |
Final Verdict: Is the 2018 Audi A6 a Good Sedan?
The 2018 Audi A6 is ideal for buyers who appreciate a blend of luxury, performance, and understated style. It's worth buying if you find a well-maintained example with a comprehensive service history and are prepared for potentially higher maintenance costs. A used A6 Premium Plus or Prestige trim offers a good balance of features and value. Avoid neglecting maintenance to ensure the long-term reliability. Consider having a pre-purchase inspection by a qualified mechanic specializing in Audi vehicles.
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.