1999 · Large Car · Gas

1999 Pontiac Bonneville MPG & fuel economy

The 1999 Pontiac Bonneville is a large car offered in 2 EPA-rated configurations. The most efficient version returns 20 MPG combined (17 city / 25 highway) on regular gasoline. Across the lineup, combined ratings range from 19 to 20 MPG. Efficiency is unchanged from the 1998 model. Among 19 large cars rated for 1999, it ranks 6th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,325 a year to fuel.

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Combined 20 MPG 17 MPG city · 25 MPG hwy
Driving range — not published for this model
Your fuel cost $2,325 15,000 mi/yr · $15.50 per 100 mi
Class rank, 1999 #6 of 19 Large Cars by fuel cost

What will it cost you?

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

Fuel average

The 1999 Pontiac Bonneville's fuel average is 8.5 km/L (11.8 L/100 km), or 20 MPG combined: 7.2 km/L in the city and 10.6 km/L on the highway.

MPGkm/LL/100 km
City177.213.8
Highway2510.69.4
Combined208.511.8

How it ranks among 1999 Large Cars

Full class ranking →
  1. 1Chrysler Concorde22 MPG $2,114
  2. 2Dodge Intrepid22 MPG $2,114
  3. 3Toyota Avalon22 MPG $2,114
  4. 4Buick LeSabre21 MPG $2,214
  5. 5Buick Park Avenue20 MPG $2,325
  6. 6Pontiac Bonneville20 MPG $2,325
  7. 19Rolls-Royce Silver Spur Park Ward11 MPG $5,386
1999 BonnevilleOther large carsClass median: $2,583/yr

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

Bonneville MPG across model years

Full history →

2 EPA-rated configurations

ConfigurationTypeCityHwyCombinedRangeYour cost / yr
FWD · 3.8L 6-cyl · 4-speed automatic
Bonneville		 Gas 17 MPG 25 MPG 20 MPG — $2,325
FWD · 3.8L 6-cyl supercharged · 4-speed automatic
Bonneville		 Gas 16 MPG 25 MPG 19 MPG — $3,118

Specs (most efficient configuration)

Fuel
Regular gasoline
Engine / motor
3.8L 6-cyl
Transmission
4-speed automatic
Drivetrain
FWD
Passenger volume
110 cu ft
Cargo volume
18 cu ft
Tailpipe CO₂
444 g/mi

1999 Pontiac Bonneville vs. rivals

vs Buick Park Avenue 20 MPG · $2,325/yr Same fuel cost vs Buick LeSabre 21 MPG · $2,214/yr LeSabre saves $111/yr vs Oldsmobile Eighty-Eight/Regency 20 MPG · $2,325/yr Same fuel cost vs Chrysler LHS 19 MPG · $2,447/yr Bonneville saves $122/yr vs Mercury Grand Marquis 18 MPG · $2,583/yr Bonneville saves $258/yr vs Ford Crown Victoria 18 MPG · $2,583/yr Bonneville saves $258/yr vs Chrysler 300 19 MPG · $2,447/yr Bonneville saves $122/yr vs Chrysler Concorde 22 MPG · $2,114/yr Concorde saves $211/yr

Compare the 1999 Bonneville

With any other car from any year, including other Bonneville model years. Type a year to jump, e.g. "2015 Accord".

Frequently asked questions

What is the gas mileage of the 1999 Pontiac Bonneville?

Up to 20 MPG combined (17 city / 25 highway); ratings range from 19 to 20 MPG depending on configuration.

What fuel does the 1999 Pontiac Bonneville use?

Regular gasoline.

What is the fuel average in km/L for the 1999 Pontiac Bonneville?

The 1999 Pontiac Bonneville's fuel average is 8.5 km/L (11.8 L/100 km), or 20 MPG combined: 7.2 km/L in the city and 10.6 km/L on the highway.

How much does it cost to fuel the 1999 Pontiac Bonneville per year?

About $2,325 at 15,000 miles a year with $3.10/gal regular gas, or $15.50 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.

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