2012 BMW M6 Gas Tank Size & Fuel Capacity
Fuel tank capacity
21.1gal · 80 L
The 2012 BMW M6 has a fuel tank capacity of 21.1 gallons (80 liters).
A full tank is good for roughly 422 highway miles or 295 miles around town, going by the EPA ratings.
21.1 gal · Bigger than 65% of 2012 models we list.
2012 BMW M6 fuel tank capacity by trim
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| 2dr Convertible 4.4L 8cyl Turbo 7AM · RWD MPG 14 / 20Range 295 / 422 mi | 4.4L 8cyl Turbo 7AM | RWD | 21.1 gal80 L | 14 / 20 | 295 / 422 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 2012 BMW M6 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 16 MPG, a full 21.1-gallon tank covers about 338 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 21.1 | 422 | 295 |
| 3/4 | 15.8 | 317 | 222 |
| 1/2 | 10.6 | 211 | 148 |
| 1/4 | 5.3 | 106 | 74 |
| 1/8 | 2.6 | 53 | 37 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 938 gallons, roughly 44 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
- 16 MPG
- Tailpipe CO2
- 555 g/mi
- Gas guzzler tax
- Yes
- Source
- EPA ratings
What it costs to fill up a 2012 BMW M6
$111.41 to fill the 21.1-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 |
|---|---|---|---|---|
| 21.1 gal | Premium | $5.28 | $111.41 | $83.56 |
By region, 21.1-gallon tank
| Region | Premium / gal | Fill from empty |
|---|---|---|
| East Coast | $4.93 | $104.02 |
| Midwest | $5.37 | $113.31 |
| Gulf CoastLowest | $4.57 | $96.43 |
| Rocky Mountain | $5.12 | $108.03 |
| West Coast | $6.08 | $128.29 |
| CaliforniaHighest | $6.36 | $134.20 |
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
- 21.1-gallon tank$111.41
- A year of driving (15,000 mi)$4,950
Starts at the US average for premium; type in what your station charges. For other tank sizes, use the fill-up calculator.
M6 tank size in other years
The tank changed for 2012: 21.1 gal, up from 18.5 gal on the 2010 M6.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2017 M6 | 21.1 gal | 422 mi |
| 2016 M6 | 21.1 gal | 422 mi |
| 2015 M6 | 21.1 gal | 422 mi |
| 2014 M6 | 21.1 gal | 422 mi |
| 2013 M6 | 21.1 gal | 422 mi |
| 2012 M6 | 21.1 gal | 422 mi |
| 2010 M6 | 18.5 gal | 315 mi |
| 2009 M6 | 18.5 gal | 315 mi |
| 2008 M6 | 18.5 gal | 315 mi |
| 2007 M6 | 18.5 gal | 315 mi |
| 2006 M6 | 18.5 gal | 315 mi |
2012 BMW M6 vs similar 2012 convertibles
The M6 has the largest tank of the three 2012 convertibles compared here, 21.1 gallons against 20.0 for the INFINITI G Convertible.
| 2012 model | Tank | Longest highway range |
|---|---|---|
| BMW M6 | 21.1 gal | 422 mi |
| INFINITI G Convertible | 20.0 gal | 500 mi |
| Jaguar XK | 16.1 gal | 386 mi |
Other 2012 convertibles of a similar size, one model per brand.
Frequently asked questions
What is the fuel tank capacity of the 2012 BMW M6?
The 2012 BMW M6 holds 21.1 gallons (80 liters).
How many gallons and liters does the 2012 BMW M6 gas tank hold?
The 2012 BMW M6 tank holds 80 liters, or 21.1 gallons in US gallons.
How far can a 2012 BMW M6 go on a full tank?
About 422 miles on the highway and 295 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 2012 BMW M6 go on a quarter tank?
About 106 highway miles or 74 in town from the 21.1-gallon tank, which has roughly 5.3 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2012 BMW M6 take?
Premium unleaded (required). The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2012 BMW M6?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 21.1-gallon tank from empty costs $111.41. It ranges from $96.43 in the Gulf Coast to $134.20 in California.
How much does a full tank of gas weigh in a 2012 BMW M6?
About 131 pounds for the 21.1-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2012 BMW M6 have a bigger gas tank than the INFINITI G Convertible?
Yes. The 2012 BMW M6 holds up to 21.1 gallons; the 2012 INFINITI G Convertible holds up to 20.0.
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).
Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.