1986 · Midsize Car · Gas

1986 Dodge Diplomat MPG & fuel economy

The 1986 Dodge Diplomat is a midsize car offered in 3 EPA-rated configurations. The most efficient version returns 15 MPG combined (14 city / 16 highway) on regular gasoline. Across the lineup, combined ratings range from 12 to 16 MPG. That's down 2 MPG from the 1985 model. Among 37 midsize cars rated for 1986, it ranks 29th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $3,100 a year to fuel.

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Combined 15 MPG 14 MPG city · 16 MPG hwy
Driving range — not published for this model
Your fuel cost $3,100 15,000 mi/yr · $20.67 per 100 mi
Class rank, 1986 #29 of 37 Midsize Cars by fuel cost

What will it cost you?

Your mileage and prices are saved and used across the site.

Fuel average

The 1986 Dodge Diplomat's fuel average is 6.4 km/L (15.7 L/100 km), or 15 MPG combined: 6.0 km/L in the city and 6.8 km/L on the highway.

MPGkm/LL/100 km
City146.016.8
Highway166.814.7
Combined156.415.7

How it ranks among 1986 Midsize Cars

Full class ranking →
  1. 1Dodge Aries26 MPG $1,788
  2. 2Dodge Lancer26 MPG $1,788
  3. 3Plymouth Reliant26 MPG $1,788
  4. 4Chevrolet Celebrity24 MPG $1,938
  5. 5Buick Century23 MPG $2,022
  6. 29Dodge Diplomat15 MPG $3,100
  7. 37Maserati Quattroporte8 MPG $5,812
1986 DiplomatOther midsize carsClass median: $2,447/yr

Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.

Diplomat MPG across model years

Full history →

3 EPA-rated configurations

ConfigurationTypeCityHwyCombinedRangeYour cost / yr
RWD · 5.2L 8-cyl · 3-speed automatic
Diplomat		 Gas 14 MPG 16 MPG 15 MPG — $3,100
RWD · 5.2L 8-cyl · 3-speed automatic
Diplomat		 Gas 15 MPG 20 MPG 16 MPG — $3,703
RWD · 5.2L 8-cyl · 3-speed automatic
Diplomat		 Gas 11 MPG 14 MPG 12 MPG — $3,875

Specs (most efficient configuration)

Fuel
Regular gasoline
Engine / motor
5.2L 8-cyl
Transmission
3-speed automatic
Drivetrain
RWD
Passenger volume
100 cu ft
Cargo volume
16 cu ft
Tailpipe CO₂
592 g/mi

1986 Dodge Diplomat vs. rivals

vs Plymouth Gran Fury 15 MPG · $3,100/yr Same fuel cost vs Chrysler Limousine 19 MPG · $3,118/yr Diplomat saves $18/yr vs Chrysler Newport/Fifth Avenue 16 MPG · $3,703/yr Diplomat saves $603/yr vs Texas Coach Company 500SEL 12 MPG · $3,875/yr Diplomat saves $775/yr vs Oldsmobile Cutlass Supreme 19 MPG · $2,447/yr Cutlass Supreme saves $653/yr vs Pontiac Bonneville 19 MPG · $2,447/yr Bonneville saves $653/yr vs Texas Coach Company 500SE 12 MPG · $3,875/yr Diplomat saves $775/yr

Compare the 1986 Diplomat

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Frequently asked questions

What is the gas mileage of the 1986 Dodge Diplomat?

Up to 15 MPG combined (14 city / 16 highway); ratings range from 12 to 16 MPG depending on configuration.

What fuel does the 1986 Dodge Diplomat use?

Regular gasoline.

What is the fuel average in km/L for the 1986 Dodge Diplomat?

The 1986 Dodge Diplomat's fuel average is 6.4 km/L (15.7 L/100 km), or 15 MPG combined: 6.0 km/L in the city and 6.8 km/L on the highway.

How much does it cost to fuel the 1986 Dodge Diplomat per year?

About $3,100 at 15,000 miles a year with $3.10/gal regular gas, or $20.67 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.

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