39/100
2001Midsize CarsRegular

2001 Buick Century

EPA ID: 16746
18
City MPG
21
Combined MPG
21MPG· Average
26
Highway MPG

Fuel Economy Overview

The 2001 Buick Century achieves an EPA-estimated 21 MPG in combined city and highway driving, with 18 MPG in the city and 26 MPG on the highway. Powered by a 3.1L 6-cylinder engine paired with a automatic 4-spd, this midsize cars features Front-Wheel Drive drive.

In terms of environmental impact, the 2001 Century produces approximately 423 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 Century has higher-than-average emissions in this regard.

The estimated annual fuel cost for this vehicle is $2,850, based on 15,000 miles of driving per year and current national average fuel prices. Compared to the average new vehicle, you would save $3,500 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

Vehicle ClassMidsize Cars
Fuel TypeRegular
Engine3.1L 6-cyl
AspirationNaturally Aspirated
TransmissionAutomatic 4-spd
Drive TypeFront-Wheel Drive

Green Scorecard

CO2 Emissions423 g/mi
Start-Stop SystemNot Equipped
GHG Score-1/10
Smog RatingN/A
Est. Annual Cost$2,850
5-Year Cost DeltaSave $3,500

Personalized Commute CalculatorEPA defaults to 55% City / 45% Hwy

55% City45% Highway

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.

Your Real MPG
20.9
Impact vs EPA
+$13
/ year
💨

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

Estimated Monthly Cost
$625/mo
Includes estimated depreciation, fuel, insurance, and state fees over 5 years. Does not include loan interest.
15,000 mi
Value Depreciation
Est. value lost over 60 months
$16,000
42.7%
Fuel & Electricity
Based on National Average rates ($3.50/gal)
$12,500
33.3%
Estimated Insurance
Based on vehicle class risk profile
$8,600
22.9%
State Registration Fees
Based on National Average DMV base rates
$400
1.1%
Total 5-Year Cost$37,500

Recall Intelligence

Campaign #09E005000·2009-02-23
critical
Component: STEERING

DORMAN IS RECALLING 979 STEERING KNUCKLES, DORMAN P/NOS. 697-902 AND 697-903, SOLD UNDER DORMAN'S "OE SOLUTIONS<SUP>TM</SUP>" BRAND NAME, AND NAPA P/NOS. 7-8502 AND 7-8503 WHICH WERE SOLD FOR REPLACEMENT USE ON THE VARIOUS VEHICLES LISTED ABOVE. A POTENTIAL MATERIAL OR DESIGN DEFECT COULD RESULT IN THE STEERING KNUCKLE BREAKING IN THE HUB AREA.

Consequence & Remedy

Consequence: A BROKEN STEERING KNUCKLE COULD RESULT IN LOSS OF STEERING CONTROL AND A POSSIBLE CRASH WITHOUT WARNING.

Remedy: DORMAN WILL NOTIFY OWNERS AND REPLACE THE DEFECTIVE STEERING KNUCKLES FREE OF CHARGE AND REIMBURSE THE REPAIR FACILITY OR OWNER FOR LABOR. THE RECALL BEGAN ON FEBRUARY 23, 2009. OWNERS MAY CONTACT DORMAN'S TOLL-FREE HOTLINE AT 1-800-523-2492 AND PRESS 5.

Campaign #07E021000·2007-04-27
critical
Component: FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES

CERTAIN DELPHI FUEL PRESSURE REGULATORS, P/NOS. FP10020-11B1, FP10026-11B1, AND FP10027-11B1, SOLD AFTER JANUARY 9, 2007, AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES LISTED ABOVE. THE UNIVERSAL PRESSURE REGULATORS (UPR) WERE PRODUCED WITHOUT AN O'RING AND RETAINER.

Consequence & Remedy

Consequence: FUEL MAY LEAK, POSSIBLY RESULTING IN A FIRE.

Remedy: DELPHI WILL NOTIFY OWNERS AND REPLACE THE UPR FREE OF CHARGE. THE RECALL BEGAN ON APRIL 23, 2007. OWNERS CAN CONTACT DELPHI AT 877-411-8770.

Campaign #01V109000·2001-05-04
critical
Component: SEAT BELTS

VEHICLE DESCRIPTION: CERTAIN PASSENGER VEHICLES, EQUIPPED WITH SUNVISOR LOCATED AIR BAG LABELS, FAIL TO CONFORM TO FEDERAL MOTOR VEHICLES SAFETY STANDARD NO. 208, "OCCUPANT CRASH PROTECTION." THESE VEHICLES HAVE A MESSAGE AREA LESS THAN 30 CM WHICH DOES NOT MEET THE REQUIREMENTS OF THE STANDARD.

Consequence & Remedy

Consequence: THESE VEHICLES DO NOT COMPLY WITH THE STANDARD.

Remedy: GM WILL MAIL A NEW BILINGUAL AIR BAG LABEL WITH INSTALLATION INSTRUCTIONS. HOWEVER, THE CUSTOMER MAY BRING THE LABEL TO THEIR DEALER FOR INSTALLATION FREE OF CHARGE. OWNER NOTIFICATION BEGAN MAY 4, 2001. OWNERS WHO DO NOT RECEIVE THE FREE LABEL AND INSTALLATION INSTRUCTIONS WITHIN A REASONABLE TIME SHOULD CONTACT OLDSMOBILE AT 1-800-442-6537 OR BUICK AT 1-800-521-7300.

Campaign #00V371000·2000-11-16
critical
Component: AIR BAGS:SIDE/WINDOW

VEHICLE DESCRIPTION: PASSENGER VEHICLES. SOME OF THESE VEHICLES EXHIBIT A CONDITION IN WHICH THE DRIVER SIDE IMPACT AIR BAG INFLATOR SEPARATES FROM THE AIR BAG MODULE DURING DEPLOYMENT.

Consequence & Remedy

Consequence: IF THE INFLATOR SEPARATES, THE AIR BAG WILL NOT DEPLOY PROPERLY DURING A CRASH AND OCCUPANT PROTECTION WOULD BE REDUCED. IF IS ALSO POSSIBLE THAT A SEPARATED INFLATOR COULD BE PROPELLED DOWNWARD AND COULD RESULT IN INJURY TO A REAR SEAT PASSENGER WHOSE FOOT IS POSITIONED APPROXIMATELY UNDER THE INFLATOR MODULE.

Remedy: DEALERS WILL REPLACE THE SIDE IMPACT AIR BAG MODULE.

Campaign #00V228003·2000-08-24
critical
Component: SEAT BELTS

VEHICLE DESCRIPTION: PASSENGER VEHICLES, LIGHT DUTY TRUCKS, SPORT UTILITY VEHICLES, AND MINI VANS EQUIPPED WITH TRW SEAT BELT BUCKLE ASSEMBLIES. THE BUCKLE BASE OF THESE SEAT BELT ASSEMBLIES WERE NOT PROPERLY HEAT TREATED AND THEREFORE DO NOT PASS THE LOAD BEARING REQUIREMENT OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 209, "SEAT BELT ASSEMBLIES."

Consequence & Remedy

Consequence: IN THE EVENT OF A VEHICLE CRASH, THE OCCUPANT MAY NOT BE PROPERLY RESTRAINED.

Remedy: DEALERS WILL INSPECT THE VEHICLE'S SAFETY BELT BUCKLE ASSEMBLY DATE CODES AND, IF NECESSARY, WILL REPLACE ANY SAFETY BELT BUCKLE ASSEMBLY.

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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 Buick Century configurations.

View Model History

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Fuel Cost Analysis

Annual Fuel Cost$2,850
vs. Avg Vehicle (5 yrs)Save $3,500

Based on 15,000 miles/year and current fuel prices.

Efficiency Breakdown

City18 MPG
Highway26 MPG
Combined21 MPG

Estimated Lifetime Carbon Footprint

(Based on 200,000 miles driven)

84.6 metric tons CO₂
Equivalent To:
🌳 105 tree seedlings grown for 10 yrs
✈️ 7.1 cross-country flights/yr

Data Provenance

Data directly from the EPA National Vehicle and Fuel Emissions Laboratory. The combined rating is a weighted average (55% city, 45% highway). For official figures, visit fueleconomy.gov.