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Why is Fuel
Economy
Important?
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2008 Vehicles by Audi

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.
Audi S4 Cabriolet
8 cyl, 4.2 L, Manual 6-spd, Premium
13 19
$2931
12.20 score: 06
Audi S4 Cabriolet
8 cyl, 4.2 L, Automatic (S6), Premium
14 21
$2747
11.40 score: 06
Audi RS4
8 cyl, 4.2 L, Manual 6-spd, Premium
13 20
$2931
12.20 score: 06
Audi S4
8 cyl, 4.2 L, Manual 6-spd, Premium
13 20
$2931
12.20 score: 06
Audi S4
8 cyl, 4.2 L, Automatic (S6), Premium
14 21
$2747
11.40 score: 06
Audi S6
10 cyl, 5.2 L, Automatic (S6), Premium
14 19
$2747
11.40 score: 06
Audi S8
10 cyl, 5.2 L, Automatic (S6), Premium
13 19
$2931
12.20 score: 06
Audi S4 Avant
8 cyl, 4.2 L, Manual 6-spd, Premium
13 20
$2931
12.20 score: 06
Audi S4 Avant
8 cyl, 4.2 L, Automatic (S6), Premium
14 21
$2747
11.40 score: 06
Audi RS4 Cabriolet
8 cyl, 4.2 L, Manual 6-spd, Premium
12 19
$3138
13.10 score: 06
Audi S5
8 cyl, 4.2 L, Manual 6-spd, Premium
14 21
$2747
11.40 score: 06
Audi S5
8 cyl, 4.2 L, Automatic (S6), Premium
16 22
$2312
9.60 score: 06

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

Assumed Fuel Prices:

  • Regular: 2.66
  • Premium: 2.93
  • Diesel: 3.29
  • CNG: 1.65
  • Electricity: 0.08 per kilowatt hour
  • E85: 3.27
  • LPG: 2.10