2009 Audi A8
Fuel Economy Overview
The 2009 Audi A8 achieves an EPA-estimated 18 MPG in combined city and highway driving, with 16 MPG in the city and 23 MPG on the highway. Powered by a 4.2L 8-cylinder engine paired with a automatic (s6), this midsize cars features 4-Wheel or All-Wheel Drive drive.
In terms of environmental impact, the 2009 A8 produces approximately 494 grams of CO2 per mile. This figure is measured under standardized EPA test conditions and represents tailpipe emissions only. For context, the average new vehicle sold in the United States produces approximately 400 grams of CO2 per mile, meaning this A8 has higher-than-average emissions in this regard.
The estimated annual fuel cost for this vehicle is $3,850, based on 15,000 miles of driving per year and current national average fuel prices. Compared to the average new vehicle, you would save $8,500 over a 5-year period. This calculation accounts for differences in fuel consumption efficiency and provides a practical measure of long-term ownership costs attributable to fuel economy.
Energy DNA
Green Scorecard
Personalized Commute CalculatorEPA defaults to 55% City / 45% Hwy
Adjust the slider to match your daily driving habits. City driving involves stop-and-go traffic under 45mph, while highway driving represents sustained speeds over 55mph.
Aerodynamic Speed Penalty
EPA highway tests average roughly 48 mph. Driving at 75 mph increases aerodynamic drag exponentially. Expect your real-world highway fuel economy to drop by roughly 15-20% at interstate speeds.
5-Year Total Cost of Ownership
Recall Intelligence
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2007-2009 Audi A8 and S8 vehicles. The sunroof glass on the affected vehicles may not be properly secured to the sunroof frame. As a result, the sunroof glass may detach from the car while driving.
Consequence & Remedy
Consequence: If the glass detaches from the sunroof frame it could be come a road hazard, increasing the risk of a crash.
Remedy: Volkswagen will notify owners, and dealers will install additional adhesive between the sunroof glass and frame, free of charge. The recall is expected to begin in August 4, 2016. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 60C3.
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Looking for comprehensive historical data?
NHTSA FARS (Fatal Crash History) and broader generational safety trends are aggregated at the model level rather than by specific engine configurations. View the complete historical data profile for all Audi A8 configurations.
Similar 2009 Midsize Cars Alternatives
2009 Acura RL
3.7L 6-cyl 4-Wheel or All-Wheel Drive
2009 Audi A6 quattro
4.2L 8-cyl 4-Wheel or All-Wheel Drive
2009 BMW 550i
4.8L 8-cyl Rear-Wheel Drive
2009 BMW 550i
4.8L 8-cyl Rear-Wheel Drive
2009 Cadillac STS
4.6L 8-cyl Rear-Wheel Drive
2009 Lexus LS 460 AWD
4.6L 8-cyl 4-Wheel or All-Wheel Drive
Fuel Cost Analysis
Based on 15,000 miles/year and current fuel prices.
Efficiency Breakdown
Estimated Lifetime Carbon Footprint
(Based on 200,000 miles driven)