1991 Audi 100 quattro
Fuel Economy Overview
The 1991 Audi 100 quattro achieves an EPA-estimated 18 MPG in combined city and highway driving, with 16 MPG in the city and 22 MPG on the highway. Powered by a 2.3L 5-cylinder engine paired with a manual 5-spd, this midsize cars features 4-Wheel or All-Wheel Drive drive.
In terms of environmental impact, the 1991 100 quattro 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 100 quattro has higher-than-average emissions in this regard.
The estimated annual fuel cost for this vehicle is $3,300, based on 15,000 miles of driving per year and current national average fuel prices. Compared to the average new vehicle, you would save $5,750 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
VEHICLE DESCRIPTION: PASSENGER VEHICLES. AN ELECTROLYTIC CAPACITOR CONTAINED IN THE AMPLIFIER FOR EACH REAR SPEAKER COULD LEAK AN ELECTROLYTE, WHICH MAY IN TIME AND IN THE PRESENCE OF HUMIDITY, CAUSE AN UNWANTED CONDUCTIVE PATH.
Consequence & Remedy
Consequence: THIS CONDITION COULD RESULT IN THE AMPLIFIER OVERHEATING AND A POTENTIAL FIRE RISK.
Remedy: DEALERS WILL REPLACE THE AMPLIFIERS FOR THE REAR SPEAKER ASSEMBLIES. OWNER NOTIFICATION BEGAN JULY 10, 2002. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT AUDI AT 1-800-822-2834.
VEHICLE DESCRIPTION: PASSENGER VEHICLES. SOME AIR BAG SENSORS DO NOT COMPLY WITH AUDI'S DURABILITY STANDARDS OVER THE LIFETIME OF THE VEHICLE.
Consequence & Remedy
Consequence: IN THE EVENT THE SENSOR SHOULD MALFUNCTION, THE AIR BAG RESTRAINT SYSTEM CAN INADVERTENTLY DEPLOY. DEPLOYMENT OF THE AIR BAG RESTRAINT SYSTEM WITHOUT WARNING COULD CAUSE A DRIVER TO LOSE VEHICLE CONTROL.
Remedy: DEALERS WILL REPLACE THE AIR BAG SENSOR CONTROL MODULE.
THE DIFFERENTIAL OIL OF THE TRANSAXLE IS LOST OVER TIME DUE TO EVAPORATION. LOW OIL LEVELS CAUSE PREMATURE BEARING AND GEAR WEAR AND EVENTUAL FAILURE OF THE DIFFERENTIAL.
Consequence & Remedy
Consequence: IN THE EVENT OF FAILURE, THE VEHICLE'S DRIVE WHEELS COULDLOSE POWER. IN EXTREME CIRCUMSTANCES, THE FRONT WHEELS LOCK, CAUSING RAPIDDECELERATION RESULTING IN POSSIBLE LOSS OF VEHICLE CONTROL AND AN ACCIDENT.
Remedy: DRAIN AND REPLACE THE DIFFERENTIAL GEAR OIL WITH OIL HAVING HIGHER PERFORMANCE CHARACTERISTICS.
INSTRUCTION LABEL IN THE TRUNK OF VEHICLE IS INCORRECT FOR THE JACK SUPPLIED WITH THE VEHICLE.
Consequence & Remedy
Consequence: INCORRECT USE CAN RESULT IN THE JACK COLLAPSING, WITHINJURY TO INDIVIDUALS UNDER OR NEAR VEHICLE DURING COLLAPSE.
Remedy: SUPPLY INSERT TO OWNER'S MANUAL NOTING CORRECT USAGE, AS WELL AS A CORRECTED INSTRUCTION LABEL FOR THE TRUNK.
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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 100 quattro configurations.
Similar 1991 Midsize Cars Alternatives
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2.3L 5-cyl Front-Wheel Drive
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1991 Audi 200 quattro 20v
2.2L 5-cyl 4-Wheel or All-Wheel Drive
1991 Cadillac Eldorado
4.9L 8-cyl Front-Wheel Drive
1991 Cadillac Seville
4.9L 8-cyl Front-Wheel Drive
1991 Chevrolet Lumina
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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)