Audi RS 4 MPG

The 2008 Audi RS 4 gets 15 mpg combined (13 city, 20 highway): about $2,560 a year in fuel at $3.20 a gallon and 12,000 miles.

EPA fueleconomy.gov · 1 engines · 2007–2008 · Updated Nov 3, 2026
Quick answer

Against 361 other V8 cars rated 2006–2008, the RS 4 sits right on their 15.7 mpg average.

Every Audi RS 4 engine, compared

The Audi RS 4 was rated in a single specification, so its gas mileage does not vary by version — only by model year. Yearly cost assumes 12,000 miles at $3.20 a gallon.

FIG.01·Audi RS 4 gas mileage by engine
EngineCombinedCity / HighwayYearsFuel per year
4.2L 8-cyl1513 / 202007–2008$2,560
ROWS 1·SOURCE EPA fueleconomy.gov + ForCar

What that actually costs

FIG.02·Audi RS 4 fuel cost
MeasureValue
Cost per mile (2008)$0.213
Fuel per year$2,560
Fuel over five years$12,800
Against other V8 cars, 2006–2008+$114 a year
EPA's own estimate$5,150 a year
ROWS 5·SOURCE ForCar, computed from EPA ratings

City or highway — who is this car for

The 2008 Audi RS 4 gives up 7 mpg in town: 20 on the highway against 13 in the city, $1,034 a year if every mile were city driving.

FIG.03·Audi RS 4 city versus highway
MeasureValueReading
City (2008)13 mpg$2,954 a year if you only drive in town
Highway20 mpg$1,920 a year if you mostly commute
Gap+7 mpg (54%)Wide — this car dislikes traffic
ROWS 3·SOURCE EPA fueleconomy.gov + ForCar

How the RS 4 changed over the years

Combined figure across the 2 model years the RS 4 was rated in, all of them at 15 mpg.

FIG.04·Audi RS 4 gas mileage by model year
Model yearCombinedCity / HighwayEngines offeredFuel per year
20081513 / 201$2,560
20071513 / 201$2,560
ROWS 2·SOURCE EPA fueleconomy.gov + ForCar
Upgrade to Pro

MPG is a number. Dollars per year is the answer.

  • Fuel profile built from your actual mileage and local prices
  • Fuel tracker: what you really spend, month by month
  • Insurance and fuel folded into 5-year cost to own
  • Compare any two cars on total cost, not sticker price
  • No ads, no tracking — and much more
Free plan available — no credit card needed

How we count

This page rests on 2 EPA ratings of the Audi RS 4 — 1 engine across 2007–2008. The mileage is EPA's laboratory figure, unchanged; the yearly bill is ours, at 12,000 miles and $3.20 a gallon, against EPA's own estimate of $5,150. Full method.

Frequently asked questions

What mpg does the 2008 Audi RS 4 get?

15 mpg combined, 13 city and 20 highway, per EPA. Across every year since 2007 the RS 4 has averaged 15 mpg.

Is the 2008 RS 4 more efficient than the 2007?

About the same: 15 against 15 mpg combined.

Gas mileage ratings from EPA fueleconomy.gov, unadjusted. Running cost computed by ForCar at 12,000 miles a year and $3.20 a gallon. Last updated Nov 2026. — ForCar Reviewed by , founder of ForCar.
Found this useful?

Mark ForCar as a preferred source and our data shows up first in your Google results. One click, no account.

Prefer ForCar →