1991 · Subcompact Car · Gas

1991 Porsche 928 MPG & fuel economy

The 1991 Porsche 928 is a subcompact car offered in 3 EPA-rated configurations. The most efficient version returns 15 MPG combined (14 city / 18 highway) on regular gasoline. Across the lineup, combined ratings range from 14 to 15 MPG. Efficiency is unchanged from the 1990 model. Among 63 subcompact cars rated for 1991, it ranks 48th 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 · 18 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, 1991 #48 of 63 Subcompact Cars by fuel cost

What will it cost you?

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

Fuel average

The 1991 Porsche 928'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 7.7 km/L on the highway.

MPGkm/LL/100 km
City146.016.8
Highway187.713.1
Combined156.415.7

How it ranks among 1991 Subcompact Cars

Full class ranking →
  1. 1Geo Metro47 MPG $989
  2. 2Chevrolet Sprint40 MPG $1,162
  3. 3Pontiac Firefly40 MPG $1,162
  4. 4Suzuki Swift40 MPG $1,162
  5. 5Daihatsu Charade34 MPG $1,368
  6. 48Porsche 92815 MPG $3,100
  7. 63Rolls-Royce Corniche/Continental10 MPG $5,925
1991 928Other subcompact carsClass median: $2,022/yr

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

928 MPG across model years

Full history →

3 EPA-rated configurations

ConfigurationTypeCityHwyCombinedRangeYour cost / yr
RWD · 4.9L 8-cyl · 4-speed automatic
928 S4		 Gas 14 MPG 18 MPG 15 MPG — $3,100
RWD · 5.0L 8-cyl · 4-speed automatic
928 S4		 Gas 14 MPG 17 MPG 15 MPG — $3,950
RWD · 5.0L 8-cyl · 5-speed manual
928 S4		 Gas 11 MPG 18 MPG 14 MPG — $4,232

Specs (most efficient configuration)

Fuel
Regular gasoline
Engine / motor
4.9L 8-cyl
Transmission
4-speed automatic
Drivetrain
RWD
Passenger volume
2 cu ft
Cargo volume
2 cu ft
Tailpipe CO₂
592 g/mi

1991 Porsche 928 vs. rivals

vs Mercedes-Benz 190 17 MPG · $2,735/yr 190 saves $365/yr vs Import Trade Services ITS 190E 16 MPG · $3,703/yr 928 saves $603/yr vs Import Trade Services ITS 190E 2.0 16 MPG · $3,703/yr 928 saves $603/yr vs Import Trade Services ITS 190E 2.3 16 MPG · $3,703/yr 928 saves $603/yr vs Import Trade Services ITS 230CE 16 MPG · $3,703/yr 928 saves $603/yr vs Porsche 911 17 MPG · $3,485/yr 928 saves $385/yr

Compare the 1991 928

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Frequently asked questions

What is the gas mileage of the 1991 Porsche 928?

Up to 15 MPG combined (14 city / 18 highway); ratings range from 14 to 15 MPG depending on configuration.

What fuel does the 1991 Porsche 928 use?

Regular gasoline.

What is the fuel average in km/L for the 1991 Porsche 928?

The 1991 Porsche 928'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 7.7 km/L on the highway.

How much does it cost to fuel the 1991 Porsche 928 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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