2011 BMW Z4 Gas Tank Size & Fuel Capacity
Fuel tank capacity
14.5gal · 55 L
The 2011 BMW Z4 has a fuel tank capacity of 14.5 gallons (55 liters) on every trim.
A full tank is good for roughly 348–406 highway miles or 247–276 miles around town, going by the EPA ratings.
14.5 gal · Smaller than 89% of 2011 models we list.
- By trim
- Gas cap & parts
- Fuel essentials
- Miles per tank
- Fill-up cost
- Other years
- Compared
- Fuel recalls
- FAQ
2011 BMW Z4 fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Engine
- no difference
All 3 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| sDrive30i 2dr Convertible 3.0L 6cyl 6M · RWD MPG 18 / 28Range 261 / 406 mi | 3.0L 6cyl 6M | RWD | 14.5 gal55 L | 18 / 28 | 261 / 406 mi | |
| sDrive35i 2dr Convertible 3.0L 6cyl Turbo 6M · RWD MPG 19 / 26Range 276 / 377 mi | 3.0L 6cyl Turbo 6M | RWD | 14.5 gal55 L | 19 / 26 | 276 / 377 mi | |
| sDrive35is 2dr Convertible 3.0L 6cyl Turbo 7AM · RWD MPG 17 / 24Range 247 / 348 mi | 3.0L 6cyl Turbo 7AM | RWD | 14.5 gal55 L | 17 / 24 | 247 / 348 mi | |
| No trim matches all of these filters. | ||||||
Tank figures are the manufacturer's rated capacity, sorted smallest tank first. Range is tank size times EPA city or highway MPG.
How far a 2011 BMW Z4 goes on a tank
Gallons left and the distance they cover at each mark on the fuel gauge, at EPA city and highway mileage. At the combined rating of 22 MPG, a full 14.5-gallon tank covers about 319 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 14.5 | 406 | 261 |
| 3/4 | 10.9 | 305 | 196 |
| 1/2 | 7.3 | 203 | 131 |
| 1/4 | 3.6 | 102 | 65 |
| 1/8 | 1.8 | 51 | 33 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 682 gallons, roughly 47 full tanks.
Fuel gauges aren't perfectly linear and the low-fuel light comes on with a few gallons still in the tank, so plan your stop before the last eighth.
- EPA combined
- 21–22 MPG
- Tailpipe CO2
- 404–423 g/mi
- Source
- EPA ratings
What it costs to fill up a 2011 BMW Z4
$76.56 to fill the 14.5-gallon tank from empty with premium, at this week's US average of $5.28 a gallon.
| Tank | Fuel | US avg / gal | From empty | From 1/4 tank |
|---|---|---|---|---|
| 14.5 gal | Premium | $5.28 | $76.56 | $57.42 |
By region, 14.5-gallon tank
| Region | Premium / gal | Fill from empty |
|---|---|---|
| East Coast | $4.93 | $71.48 |
| Midwest | $5.37 | $77.86 |
| Gulf CoastLowest | $4.57 | $66.27 |
| Rocky Mountain | $5.12 | $74.24 |
| West Coast | $6.08 | $88.16 |
| CaliforniaHighest | $6.36 | $92.22 |
Prices: U.S. Energy Information Administration retail averages for the week of October 26, 2026. This week's prices by state and city.
Your own price
- 14.5-gallon tank$76.56
- A year of driving (15,000 mi)$3,600
Starts at the US average for premium; type in what your station charges. For other tank sizes, use the fill-up calculator.
Z4 tank size in other years
The 2011 Z4 uses the same 14.5 gal tank as every Z4 since 2003.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2016 Z4 | 14.5 gal | 493 mi |
| 2015 Z4 | 14.5 gal | 493 mi |
| 2014 Z4 | 14.5 gal | 493 mi |
| 2013 Z4 | 14.5 gal | 493 mi |
| 2012 Z4 | 14.5 gal | 493 mi |
| 2011 Z4 | 14.5 gal | 406 mi |
| 2010 Z4 | 14.5 gal | 406 mi |
| 2009 Z4 | 14.5 gal | 406 mi |
| 2008 Z4 | 14.5 gal | 406 mi |
| 2007 Z4 | 14.5 gal | 406 mi |
| 2006 Z4 | 14.5 gal | 406 mi |
2011 BMW Z4 vs similar 2011 convertibles
The Z4 has the smallest tank of the three 2011 convertibles compared here: 14.5 gallons, against 18.5 for the Mercedes-Benz SLK-Class.
| 2011 model | Tank | Longest highway range |
|---|---|---|
| Mercedes-Benz SLK-Class | 18.5 gal | 481 mi |
| Audi TTS | 15.8 gal | 458 mi |
| BMW Z4 | 14.5 gal | 406 mi |
Other 2011 convertibles of a similar size, one model per brand.
2011 BMW Z4 fuel system recalls
None of the 6 recalls NHTSA lists for the 2011 BMW Z4 involve the fuel system.
Frequently asked questions
What is the fuel tank capacity of the 2011 BMW Z4?
The 2011 BMW Z4 holds 14.5 gallons (55 liters) on every trim we list.
How many gallons and liters does the 2011 BMW Z4 gas tank hold?
The 2011 BMW Z4 tank holds 55 liters, or 14.5 gallons in US gallons.
How far can a 2011 BMW Z4 go on a full tank?
About 348–406 miles on the highway and 247–276 miles in town, going from full to empty at its EPA ratings. Expect less in practice, since nobody runs the tank dry.
How many miles can a 2011 BMW Z4 go on a quarter tank?
About 102 highway miles or 65 in town from the 14.5-gallon tank, which has roughly 3.6 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2011 BMW Z4 take?
Premium unleaded (required). The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2011 BMW Z4?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 14.5-gallon tank from empty costs $76.56. It ranges from $66.27 in the Gulf Coast to $92.22 in California.
How much does a full tank of gas weigh in a 2011 BMW Z4?
About 90 pounds for the 14.5-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2011 BMW Z4 have a bigger gas tank than the Audi TTS?
No. The 2011 Audi TTS holds up to 15.8 gallons; the 2011 BMW Z4 holds up to 14.5.
Has the 2011 BMW Z4 had a fuel pump or fuel system recall?
No. None of the 6 recalls NHTSA lists for the 2011 BMW Z4 involve the fuel system.
Sources
- Tank sizes: manufacturer-rated capacities from US-market specifications, checked against independent references. Updated October 2026.
- MPG and range: EPA ratings (fueleconomy.gov). Range is tank size times EPA MPG.
- Fuel prices: U.S. Energy Information Administration, week of October 26, 2026 (this week's prices).
- Recalls: NHTSA recall database (BMW fuel system recalls).
Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.