Tank Ledger

BMW Z4 M Roadster MPG by year — every rating on record

The BMW Z4 M Roadster has a combined EPA fuel economy rating for 3 model years, from 2006 to 2008. Across those years its best rated version returned 18 mpg (2008) and its thirstiest returned 17 mpg (2006). The EPA record holds 3 configurations for this nameplate, most recently a Two Seaters.

In the EPA record this nameplate also appears as Z4 M Roadster and Z4 M Coupe. The figures below cover every one of them.

18best combined mpg (2008)
17worst combined mpg (2006)
18latest year best (2008)
3configurations on record

Year-by-year EPA ratings

Model yearConfigurationsBest combinedWorst combinedClass rank that yearDrivetrainsFuelEPA class
2006117 mpg17 mpg#22 of 39 (45th pct)Rear-Wheel DrivePremiumTwo Seaters
2007117 mpg17 mpg#20 of 36 (46th pct)Rear-Wheel DrivePremiumTwo Seaters
2008118 mpg18 mpg#24 of 46 (49th pct)Rear-Wheel DrivePremiumTwo Seaters

Where it has stood in its class

Ranked against every other nameplate the EPA filed under the same class that year. The BMW Z4 M Roadster placed highest in 2007 at #20 of 36, and lowest in 2008 at #24 of 46. It spent 0 of its 3 ranked years in the top half of its class.

Every configuration on record

All 3 configurations EPA lists for this nameplate, newest first.

YearConfigurationEngine detailCityHighwayCombinedGallons/yrBarrels/yrEPA fuel cost/yrCO2 g/miGHG
20083.2L 6-cyl Rear-Wheel Drive Manual 6-spd PremiumMOTORSPORT152318638.916.5$4,300493.72222222222223n/a
20073.2L 6-cyl Rear-Wheel Drive Manual 6-spd PremiumMOTORSPORT152217676.517.5$4,550522.7647058823529n/a
20063.2L 6-cyl Rear-Wheel Drive Manual 6-spd PremiumMOTORSPORT142217676.517.5$4,550522.7647058823529n/a

How the rating has moved between model years

Comparing the best-rated configuration of each year. 1 of 1 year-over-year steps improved the top rating.

ChangeBest combinedDeltaGallons a year at the newer rating
2007 → 200817 → 18 mpg+1 mpg639 gal

What Z4 M Roadster fuel costs over a year

At the EPA's 11,500 miles a year, the 2008 BMW Z4 M Roadster burns 639 to 639 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.

Pump priceMost efficientThirstiestSpread
$3.00/gal$1,917$1,917$0
$3.50/gal$2,236$2,236$0
$4.00/gal$2,556$2,556$0

EPA’s own estimate for the 2008 model year is $4,300 to $4,300 a year in fuel, or $10,250 more than the average new vehicle over five years.

How it compares with other Two Seaters

Across the 263 nameplates EPA classifies as Two Seaters, the median best combined rating is 18 mpg. At 18 mpg the BMW Z4 M Roadster is exactly at the median.

Other BMW nameplates

Every BMW model compared → — all nameplates ranked by best combined rating, with what each one costs a year.