The 2008 Audi S6 is a high-performance luxury sedan, part of Audi's S line known for enhanced power and sporty features. It's based on the A6 platform but boasts a more potent engine and performance-oriented upgrades. This generation S6 was produced from 2007-2011 and is available solely as a sedan. Key features included upgraded interior, sportier suspension and an powerful V10 engine. When new, prices ranged from around $70,000. Its distinctive V10 engine and blend of luxury and performance made it popular.
The Good
The 2008 Audi S6 offers impressive performance thanks to its V10 engine, appealing to the enthusiast. Its luxurious and comfortable interior, along with Audi's sophisticated design, provides a premium experience. While not the most fuel-efficient, its relatively reasonable used prices make it a decent value for the performance offered. Practical buyers will appreciate its sedan practicality, while emotional buyers will love the V10 soundtrack and sporty handling.
The Bad
The 2008 Audi S6 is known for potential high maintenance costs due to its complex V10 engine and advanced electronics. Fuel economy is poor. Carbon buildup on the intake valves is a common issue, requiring periodic cleaning. Suspension components and the air suspension system (if equipped) can also be prone to failure. Thorough inspection and service records are essential before purchasing.
2008 Audi S6: Quick Overview
- Engine: 5.2L V10
- Horsepower: 435 hp @ 7,000 rpm
- Torque: 398 lb-ft @ 3,000-4,000 rpm
- Transmission: 6-speed automatic with Tiptronic
- Drivetrain: Quattro all-wheel drive
- Fuel Economy (EPA Estimated): 14 mpg city / 19 mpg highway
- 0-60 mph: Approximately 5.1 seconds
- Towing Capacity: Not recommended or specified by Audi.
Trim-Level Features (Standard):
- Leather upholstery
- Power-adjustable front seats with memory
- Heated front and rear seats
- Dual-zone automatic climate control
- Bose premium sound system
- Sunroof
- Xenon headlights
- Parking sensors
- Auto-dimming mirrors
Optional Features:
- Navigation system
- Adaptive cruise control
- Blind-spot monitoring
- Upgraded leather packages
- Carbon fiber interior trim
- Rear sunshades
- Sport suspension
- Different wheel options
2008 Audi S6 Specifications
Vehicle Information
| Year | 2008 |
| Make | Audi |
| Model | S6 |
| Trim | - |
| Style | 4-Door Sedan |
| Type | Sedan |
| Category | Mid-Size Car |
Manufacturing Details
| Made In | Germany |
| Manufacturing City | NECKARSULM |
Dimensions
| Doors | 4-Door |
| Curb Weight | 2034.81 kg |
| Gross Vehicle Weight Rating | 2570.05 kg |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | Audi |
| Engine Size | 5.2L |
| Engine Cylinders | 10 |
| Transmission | 6-Speed Automatic |
| Transmission Type | Automatic |
| Transmission Speeds | 6-Speed |
| Drivetrain | All-Wheel Drive |
Additional Features
| Anti-Brake System | - |
| Steering Type | - |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | $72,350 USD |
| Invoice Price | $67,285 USD |
| Delivery Charges | $775 USD |
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Analysis
What Problems Does the 2008 Audi S6 Have?
The 2008 Audi S6, while offering impressive performance, is known for several potential issues. A frequently reported problem is carbon buildup on the intake valves, which can lead to reduced performance and fuel economy. This requires manual cleaning, adding to maintenance costs.
Other common issues include problems with the air suspension system (if equipped), which can be expensive to repair. The electronic systems, including the MMI (Multi Media Interface), can also be prone to glitches. Oil leaks are another reported concern, particularly as the car ages. Additionally, the timing chain tensioners are a known weak point in the V10 engine and require inspection and possible replacement to prevent catastrophic engine failure.
Recalls for the 2008 Audi S6 may have addressed certain issues; it's important to check the vehicle's VIN with the National Highway Traffic Safety Administration (NHTSA) to verify if all applicable recalls have been performed. Long-term reliability is a concern due to the complexity of the engine and electronics, making thorough pre-purchase inspections and careful maintenance crucial. There are no specific issues reported distinctly for just the 2008 model year but the mentioned above are generalized for this generation.
Other common issues include problems with the air suspension system (if equipped), which can be expensive to repair. The electronic systems, including the MMI (Multi Media Interface), can also be prone to glitches. Oil leaks are another reported concern, particularly as the car ages. Additionally, the timing chain tensioners are a known weak point in the V10 engine and require inspection and possible replacement to prevent catastrophic engine failure.
Recalls for the 2008 Audi S6 may have addressed certain issues; it's important to check the vehicle's VIN with the National Highway Traffic Safety Administration (NHTSA) to verify if all applicable recalls have been performed. Long-term reliability is a concern due to the complexity of the engine and electronics, making thorough pre-purchase inspections and careful maintenance crucial. There are no specific issues reported distinctly for just the 2008 model year but the mentioned above are generalized for this generation.
How long will the 2008 Audi S6 last?
A 2008 Audi S6, with proper maintenance, can last well over 150,000 miles or 15+ years. However, achieving this longevity relies heavily on diligent maintenance habits. Owners who consistently perform scheduled services, address issues promptly, and use high-quality parts can expect a longer lifespan. Neglecting maintenance, especially concerning the engine and complex electronics, will significantly shorten its lifespan.
Over time, the S6's weaknesses tend to become more pronounced. Issues like carbon buildup, suspension problems, and electronic glitches are more likely to occur with age and mileage. Preventative maintenance is crucial for maximizing long-term durability.
Over time, the S6's weaknesses tend to become more pronounced. Issues like carbon buildup, suspension problems, and electronic glitches are more likely to occur with age and mileage. Preventative maintenance is crucial for maximizing long-term durability.
What Technology & Safety Features are Included?
The 2008 Audi S6 came equipped with a range of tech and safety features for its time. Standard tech included Audi's MMI (Multi Media Interface) system, which controlled audio, navigation (optional), and vehicle settings. A Bose premium sound system was also standard, along with a CD changer and satellite radio. Driver-assistance features included standard parking sensors, but adaptive cruise control and blind-spot monitoring were optional.
Safety features included standard anti-lock brakes (ABS), electronic stability control (ESC), traction control, and a suite of airbags, including front, side, and curtain airbags.
Optional features included a navigation system with real-time traffic updates, adaptive cruise control, and a rearview camera.
Crash test ratings from the Insurance Institute for Highway Safety (IIHS) and the National Highway Traffic Safety Administration (NHTSA) should be verified for the 2008 Audi A6, as the S6 is based on this platform. These ratings typically assess performance in frontal, side, and rollover crash tests, and provide an overall safety score. It's important to note the S6 may not have been specifically tested but the A6 results provide valuable insight.
Safety features included standard anti-lock brakes (ABS), electronic stability control (ESC), traction control, and a suite of airbags, including front, side, and curtain airbags.
Optional features included a navigation system with real-time traffic updates, adaptive cruise control, and a rearview camera.
Crash test ratings from the Insurance Institute for Highway Safety (IIHS) and the National Highway Traffic Safety Administration (NHTSA) should be verified for the 2008 Audi A6, as the S6 is based on this platform. These ratings typically assess performance in frontal, side, and rollover crash tests, and provide an overall safety score. It's important to note the S6 may not have been specifically tested but the A6 results provide valuable insight.
What Colors Options are Available?
Exterior Colors
Brilliant Black
Ibis White
Daytona Gray Pearl Effect
Phantom Black Pearl Effect
Avus Silver Pearl Effect
Mugello Blue Pearl Effect
Misano Red Pearl Effect
Interior Colors
Black Leather
Silver Leather
Cardamom Beige Leather
2008 Audi S6 Prices and Market Value
When new, the 2008 Audi S6 had a starting price of around $70,000. As of today, used market prices typically range from $10,000 to $20,000, depending on condition, mileage, and location. The S6 has depreciated significantly due to its age, higher maintenance costs, and the availability of newer, more fuel-efficient models. Factors affecting resale value include the car's mechanical condition, service history, mileage, and the presence of desirable options like the navigation system or upgraded leather. Examples in excellent condition with low mileage and complete service records command higher prices.
2008 Audi S6 Cost of Ownership
The 2008 Audi S6 is generally costly to own. Insurance premiums are higher than average due to its performance capabilities. Fuel economy is poor, leading to significant fuel costs. Maintenance and repair costs are also high due to the complex V10 engine and potential issues with electronics and suspension. Long-term ownership requires budgeting for potential repairs, making it an uneconomical choice compared to more modern or less performance-oriented vehicles. Carbon cleaning is a significant cost to factor in.
2008 Audi S6 Fuel Efficiency
Fuel Type
Gasoline (Required)
Fuel Capacity
79.87 liters
City Mileage
5.95 km/l
Highway Mileage
8.08 km/l
2008 Audi S6 Safety Rating
NHTSA
IIHS
2008 Audi S6 Recalls & Defects
AIR Bags:frontal:passenger Side:inflator Module
Recall date
2017-01-11
Recall no.
17v032000
Source
NHTSA
Summary
Volkswagen Group OF America, Inc. (Volkswagen) IS Recalling Certain 2009 Audi A4 Cabriolet, S4 Cabriolet, A6 Avant, A6 Sedan and S6 Sedan Vehicles Originally Sold, or Ever Registered, IN Arizona, Arkansas, Delaware, THE District OF Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, NEW Jersey, NEW Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia, or "zone B." Additionally, Unless Included IN "zone B" Above, Volkswagen IS Recalling Certain 2005-2008 Audi A4 Avant, A4 Sedan, A6 Sedan, S4 Avant and S4 Sedan Vehicles, 2007-2008 A4 Cabriolet, RS4 Sedan, S4 Cabriolet and S6 Sedan Vehicles, and 2006-2008 A6 Avant and 2008 RS4 Cabriolet Vehicles Originally Sold, or Ever Registered, IN Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, NEW Hampshire, NEW York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming. These Vehicles ARE Equipped With Certain AIR BAG Inflators Assembled AS Part OF THE Passenger Frontal AIR BAG Modules Used AS Original Equipment or Replacement Equipment. IN THE Event OF A Crash Necessitating Deployment OF THE Front AIR Bags, These Inflators MAY Rupture DUE TO Propellant Degradation Occurring After Long-term Exposure TO Absolute Humidity and Temperature Cycling.
Consequence
AN Inflator Rupture MAY Result IN Metal Fragments Striking THE Vehicle Occupants Resulting IN Serious Injury or Death.
Remedy
Audi Will Notify Owners, and Dealers Will Replace THE Passenger Frontal AIR BAG Inflator, Free OF Charge. THE Recall Began March 30, 2018. Owners MAY Contact Audi Customer Service AT 1-800-253-2834. Note: This Recall HAS Been Superseded BY Recall Number 18v427.
Notes
Owners MAY Also Contact THE National Highway Traffic Safety Administration Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153), or GO TO Www.safercar.gov.
AIR Bags:frontal:passenger Side:inflator Module
Recall date
2018-06-22
Recall no.
18v427000
Source
NHTSA
Summary
Volkswagen Group OF America, Inc. (Volkswagen) IS Recalling Certain 2005-2008 Audi A4 Sedan, A4 Avant, S4 Avant and S4 Sedan, 2007-2008 RS4 Sedan, 2004 RS4 Cabriolet, 2007-2009 A4 Cabriolet and S4 Cabriolet, 2005-2011 A6 Sedan, 2006-2011 A6 Avant, and 2007-2011 S6 Sedan Vehicles. These Vehicles ARE Equipped With Certain AIR BAG Inflators Assembled AS Part OF THE Passenger Frontal AIR BAG Modules Used AS Original Equipment or Replacement Equipment. IN THE Event OF A Crash Necessitating Deployment OF THE Passenger Frontal AIR Bag, These Inflators MAY Explode DUE TO Propellant Degradation Occurring After Long-term Exposure TO Absolute Humidity and Temperature Cycling.
Consequence
AN Inflator Explosion MAY Result IN Sharp Metal Fragments Striking THE Driver or Other Occupants Resulting IN Serious Injury or Death.
Remedy
Audi HAS Notified Owners, and Dealers Will Replace THE Passenger Frontal AIR BAG With AN Alternate Remedy Part, Free OF Charge. THE Recall Began June 29, 2018. Owners MAY Contact Audi Customer Service AT 1-800-253-2834. Volkswagen's Number FOR This Recall IS 69r7. Note: This Recall Supersedes Recalls 16v382, 17v032 and 18v004 and Includes Vehicles That MAY Have HAD Their AIR BAG Previously Replaced Under ONE OF Those Campaigns.
Notes
Owners MAY Also Contact THE National Highway Traffic Safety Administration Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153), or GO TO Www.safercar.gov.
2008 Audi S6 Insurance
Insurance for a 2008 Audi S6 is moderately priced, reflecting its status as a Sedan with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2008 Audi S6 Compare to Other Sedan?
The 2008 Audi S6 competed with other mid-size luxury performance sedans like the BMW M5 (E60), Mercedes-Benz E63 AMG (W211), and Cadillac CTS-V. In terms of performance, the S6's V10 offered a unique experience, but the M5 and E63 AMG generally delivered superior handling and acceleration. Feature-wise, the S6 was well-equipped, but rivals offered comparable or slightly more advanced technology.
Reliability is where the S6 falls short compared to some competitors. The BMW M5 and Mercedes E63 AMG are also known for high running costs but the Audi is particularly susceptible to carbon build up issues. In terms of used prices, the S6 can be more affordable than some of its rivals, making it an attractive option for budget-conscious buyers seeking a high-performance sedan.
Alternatives to the 2008 Audi S6 include the aforementioned BMW M5 and Mercedes-Benz E63 AMG. The Lexus GS-F is also a good option for a more reliable high performance sedan. These alternatives may offer better reliability or slightly better performance, but come at potentially higher initial purchase prices.
Reliability is where the S6 falls short compared to some competitors. The BMW M5 and Mercedes E63 AMG are also known for high running costs but the Audi is particularly susceptible to carbon build up issues. In terms of used prices, the S6 can be more affordable than some of its rivals, making it an attractive option for budget-conscious buyers seeking a high-performance sedan.
Alternatives to the 2008 Audi S6 include the aforementioned BMW M5 and Mercedes-Benz E63 AMG. The Lexus GS-F is also a good option for a more reliable high performance sedan. These alternatives may offer better reliability or slightly better performance, but come at potentially higher initial purchase prices.
Ranks #1189 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 | (5.0★) |
| 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★) |
| 1189 | 2008 Audi S6 | (0.0★) |
Final Verdict: Is the 2008 Audi S6 a Good Sedan?
The 2008 Audi S6 is a compelling choice for enthusiasts seeking a unique blend of luxury and performance with a distinctive V10 engine at an accessible price point on the used market. It's ideal for buyers who appreciate its performance and styling but are prepared for potentially high maintenance costs.
Whether it's worth buying depends on individual priorities and budget. Given it's only available used, find one with a comprehensive service history, a pre-purchase inspection by a qualified mechanic specializing in Audis is essential. Consider a well-maintained example with lower mileage and a record of preventative maintenance, especially regarding carbon cleaning and suspension work. Be prepared to budget for ongoing maintenance and repairs. If reliability and low running costs are paramount, consider alternatives.
Whether it's worth buying depends on individual priorities and budget. Given it's only available used, find one with a comprehensive service history, a pre-purchase inspection by a qualified mechanic specializing in Audis is essential. Consider a well-maintained example with lower mileage and a record of preventative maintenance, especially regarding carbon cleaning and suspension work. Be prepared to budget for ongoing maintenance and repairs. If reliability and low running costs are paramount, consider alternatives.
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.