36/100

1985Subcompact CarsPremium

1985 Pontiac Sunbird Convertible

EPA ID: 213

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City MPG

Combined MPG

20MPG· Average

Highway MPG

Fuel Economy Overview

The 1985 Pontiac Sunbird Convertible achieves an EPA-estimated 20 MPG in combined city and highway driving, with 18 MPG in the city and 23 MPG on the highway. Powered by a 1.8L 4-cylinder turbocharged engine paired with a automatic 3-spd, this subcompact cars features Front-Wheel Drive drive.

In terms of environmental impact, the 1985 Sunbird Convertible produces approximately 444 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 Sunbird Convertible has higher-than-average emissions in this regard.

The estimated annual fuel cost for this vehicle is $3,450, based on 15,000 miles of driving per year and current national average fuel prices. Compared to the average new vehicle, you would save $6,500 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 ClassSubcompact Cars

Fuel TypePremium

Engine1.8L 4-cyl

AspirationTurbocharged

TransmissionAutomatic 3-spd

Drive TypeFront-Wheel Drive

Green Scorecard

CO2 Emissions444 g/mi

Start-Stop SystemNot Equipped

GHG Score-1/10

Smog RatingN/A

Est. Annual Cost$3,450

5-Year Cost DeltaSave $6,500

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

20.0

Impact vs EPA

+$6

/ 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

$557/mo

Includes estimated depreciation, fuel, insurance, and state fees over 5 years. Does not include loan interest.

Annual Mileage15,000 mi

Value Depreciation

Est. value lost over 60 months

$12,500

37.4%

Fuel & Electricity

Based on National Average rates ($3.50/gal)

$13,125

39.3%

Estimated Insurance

Based on vehicle class risk profile

$7,375

22.1%

State Registration Fees

Based on National Average DMV base rates

$400

1.2%

Total 5-Year Cost$33,400

Recall Intelligence

Campaign #06E043000·2006-10-18

critical

Component: FUEL SYSTEM, GASOLINE

CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURED FROM OCTOBER 18, 2005, THROUGH MARCH 21, 2006, SOLD FOR USE ON THE VEHICLES LISTED ABOVE AND ON CERTAIN SCHOOL BUSES. (TO SEE THE SCHOOL BUS ENGINE SIZES, CLICK ON "DOCUMENT SEARCH" AND THEN "BUS APPLICATIONS"). THE CONNECTOR ON THE FUEL FILTER WAS NOT MANUFACTURED TO HONEYWELL'S SPECIFICATION. AS A RESULT, THE O-RING MAY NOT SEAT CORRECTLY ON THE FUEL LINE.

Consequence & Remedy

(Based on 200,000 miles driven)

88.9 metric tons CO₂

Equivalent To:

🌳 110 tree seedlings grown for 10 yrs

✈️ 7.4 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.