2004 Audi S4 Avant
Fuel Economy Overview
The 2004 Audi S4 Avant achieves an EPA-estimated 16 MPG in combined city and highway driving, with 13 MPG in the city and 20 MPG on the highway. Powered by a 4.2L 8-cylinder engine paired with a manual 6-spd, this small station wagons features 4-Wheel or All-Wheel Drive drive.
In terms of environmental impact, the 2004 S4 Avant produces approximately 555 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 S4 Avant has higher-than-average emissions in this regard.
The estimated annual fuel cost for this vehicle is $4,300, based on 15,000 miles of driving per year and current national average fuel prices. Compared to the average new vehicle, you would save $10,750 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
ON CERTAIN PASSENGER VEHICLES, THERE IS A POSSIBILITY OF XENON HEADLAMP COATING DEGRADATION OVER TIME. THE LUMINOUS TRANSMITTANCE OF THE HEADLAMP MAY DECREASE OVER A PERIOD OF TIME.
Consequence & Remedy
Consequence: THIS CONDITION COULD AFFECT A DRIVER'S FIELD OF VIEW, INCREASING THE RISK OF A CRASH.
Remedy: DEALERS WILL REPLACE THE LEFT AND RIGHT XENON HEADLAMP REFLECTORS FREE OF CHARGE. THE RECALL BEGAN ON APRIL 11, 2005. OWNERS MAY CONTACT AUDI AT 1-800-822-2834.
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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 S4 Avant configurations.
Similar 2004 Small Station Wagons Alternatives
2004 Audi S4 Avant
4.2L 8-cyl 4-Wheel or All-Wheel Drive
2004 Mercedes-Benz C240 (Wagon)
2.6L 6-cyl Rear-Wheel Drive
2004 Audi A4 Avant quattro
3L 6-cyl 4-Wheel or All-Wheel Drive
2004 Audi A4 Avant quattro
3L 6-cyl 4-Wheel or All-Wheel Drive
2004 Mercedes-Benz C240 (Wagon)
2.6L 6-cyl Rear-Wheel Drive
2004 Mercedes-Benz C240 4matic (Wagon)
2.6L 6-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)