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Economy
Important?
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1998 Vehicles by Buick

Model
MPG
(city)
MPG
(hwy)
Annual
Fuel
Cost*

Greenhouse Gas
Emissions
(tons/yr)*
Greenhouse gas (GHG) emissions from your car may contribute to climate change. Cars with better gas mileage emit less greenhouse gases. Click for more info.
EPA
Air
Pollution
Score
From 0 to 10 (best)
The EPA air pollution score rates cars and light trucks based on how much smog-forming air pollution they emit. Some vehicles are available in multiple emission versions. Click for more info.
Buick Century
6 cyl, 3.1 L, Automatic 4-spd, Regular
17 27
$1742
8.70 NA
Buick LeSabre
6 cyl, 3.8 L, Automatic 4-spd, Regular
17 27
$1742
8.70 NA
Buick Park Avenue
6 cyl, 3.8 L, Automatic 4-spd, Regular
17 26
$1830
9.20 NA
Buick Park Avenue
6 cyl, 3.8 L, Automatic 4-spd, Regular
16 25
$1925
9.60 NA
Buick Regal
6 cyl, 3.8 L, Automatic 4-spd, Regular
17 27
$1742
8.70 NA
Buick Regal
6 cyl, 3.8 L, Automatic 4-spd, Regular
16 25
$1925
9.60 NA
Buick Riviera
6 cyl, 3.8 L, Automatic 4-spd, Regular
16 25
$1925
9.60 NA
Buick Skylark
4 cyl, 2.4 L, Automatic 4-spd, Regular
19 30
$1592
8.00 NA
Buick Skylark
6 cyl, 3.1 L, Automatic 4-spd, Regular
18 27
$1742
8.70 NA

Annual Fuel Costs and Greenhouse Gas Estimates are based on 45% highway driving, 55% city driving, and 15000 annual miles.

Assumed Fuel Prices:

  • Regular: 2.44
  • Premium: 2.66
  • Diesel: 2.27
  • CNG: 1.63
  • Electricity: 0.08 per kilowatt hour
  • E85: 1.81
  • LPG: 2.10