1986 Dodge Diplomat
Fuel Economy Overview
The 1986 Dodge Diplomat achieves an EPA-estimated 16 MPG in combined city and highway driving, with 15 MPG in the city and 20 MPG on the highway. Powered by a 5.2L 8-cylinder engine paired with a automatic 3-spd, this midsize cars features Rear-Wheel Drive drive.
In terms of environmental impact, the 1986 Diplomat 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 Diplomat 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
BATTERY CAP VENTS MAY BE PARTIALLY OR COMPLETELY BLOCKED WITH PLASTIC FLASHING. CONSEQUENCE OF DEFECT: A BUILD UP OF INTERNAL GAS PRESSURE COULD OCCUR WHICH COULD RESULT IN CASE RUPTURE, PARTICULARLY DURING POST CHARGING. SHOULD A PERSON BE IN THE VICINITY OF THE BATTERY WHEN THE CASE RUPTURES, THEY MAY BE INJURED BY THE RELEASED GASES AND/OR ACID.
Consequence & Remedy
Consequence:
Remedy: REWORK BATTERIES BY PROBING BOTH VENT ORIFICES TO ELIMINATE ANY VENT OBSTRUCTION.
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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 Dodge Diplomat configurations.
Similar 1986 Midsize Cars Alternatives
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1986 Dodge Diplomat
5.2L 8-cyl Rear-Wheel Drive
1986 Mercedes-Benz 420SEL
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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)