1994 BMW 7 Series Gas Tank Size & Fuel Capacity
Fuel tank capacity
21.5–24.0gal · 81–91 L
The 1994 BMW 7 Series has a fuel tank capacity of 21.5 to 24.0 gallons (81–91 liters), depending on the trim. The most common size is 24.0 gallons, used on 2 trims.
A full tank is good for roughly 408–504 highway miles or 264–360 miles around town, going by the EPA ratings.
24.0 gal · Bigger than 86% of 1994 models we list.
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1994 BMW 7 Series fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Engine
All 3 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| 740i 4dr Sedan 4.0L 8cyl 5A · RWD MPG 15 / 21Range 323 / 452 mi | 4.0L 8cyl 5A | RWD | 21.5 gal81 L | 15 / 21 | 323 / 452 mi | |
| 740iL 4dr Sedan 4.0L 8cyl 5A · RWD MPG 15 / 21Range 360 / 504 mi | 4.0L 8cyl 5A | RWD | 24.0 gal91 L | 15 / 21 | 360 / 504 mi | |
| 750iL 4dr Sedan 5.0L 12cyl 4A · RWD MPG 11 / 17Range 264 / 408 mi | 5.0L 12cyl 4A | RWD | 24.0 gal91 L | 11 / 17 | 264 / 408 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 1994 BMW 7 Series 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 17 MPG, a full 24.0-gallon tank covers about 408 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 24.0 | 504 | 360 |
| 3/4 | 18.0 | 378 | 270 |
| 1/2 | 12.0 | 252 | 180 |
| 1/4 | 6.0 | 126 | 90 |
| 1/8 | 3.0 | 63 | 45 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 882 gallons, roughly 37 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
- 13–17 MPG
- Tailpipe CO2
- 523–684 g/mi
- Gas guzzler tax
- Yes
- Source
- EPA ratings
What it costs to fill up a 1994 BMW 7 Series
$102.48 to fill the 24.0-gallon tank from empty with regular, at this week's US average of $4.27 a gallon.
| Tank | Fuel | US avg / gal | From empty | From 1/4 tank |
|---|---|---|---|---|
| 21.5 gal | Regular | $4.27 | $91.80 | $68.85 |
| 24.0 gal | Regular | $4.27 | $102.48 | $76.86 |
By region, 24.0-gallon tank
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $96.48 |
| Midwest | $4.27 | $102.48 |
| Gulf CoastLowest | $3.70 | $88.80 |
| Rocky Mountain | $4.46 | $107.04 |
| West Coast | $5.42 | $130.08 |
| CaliforniaHighest | $5.89 | $141.36 |
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
- 21.5-gallon tank$91.80
- 24.0-gallon tank$102.48
- A year of driving (15,000 mi)$3,768
Starts at the US average for regular; type in what your station charges. For other tank sizes, use the fill-up calculator.
7 Series tank size in other years
The 1994 7 Series uses the same 21.5–24.0 gal tank sizes as every 7 Series since 1990.
| Model year | Tank | Longest highway range |
|---|---|---|
| 1999 7 Series | 22.5–25.1 gal | 495 mi |
| 1998 7 Series | 22.5–25.1 gal | 495 mi |
| 1997 7 Series | 22.5–25.1 gal | 495 mi |
| 1996 7 Series | 22.5–25.1 gal | 495 mi |
| 1995 7 Series | 22.5–25.1 gal | 552 mi |
| 1994 7 Series | 21.5–24.0 gal | 504 mi |
| 1993 7 Series | 21.5–24.0 gal | 480 mi |
| 1992 7 Series | 21.5–24.0 gal | 480 mi |
| 1991 7 Series | 21.5–24.0 gal | 480 mi |
| 1990 7 Series | 21.5–24.0 gal | 480 mi |
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1994 BMW 7 Series vs similar 1994 sedans
The 7 Series has the largest tank of the six 1994 sedans compared here, 24.0 gallons against 24.0 for the Jaguar XJ-Series.
| 1994 model | Tank | Longest highway range |
|---|---|---|
| BMW 7 Series | 21.5–24.0 gal | 504 mi |
| Jaguar XJ-Series | 20.7–24.0 gal | 510 mi |
| Lexus LS 400 | 22.5 gal | 495 mi |
| INFINITI Q45 | 22.5 gal | 450 mi |
| Volvo 960 | 19.8–21.8 gal | 501 mi |
| Cadillac Seville | 20.0 gal | 460 mi |
Other 1994 sedans of a similar size, one model per brand.
1994 BMW 7 Series fuel system recalls
None of the 3 recalls NHTSA lists for the 1994 BMW 7 Series involve the fuel system.
Frequently asked questions
What is the fuel tank capacity of the 1994 BMW 7 Series?
The 1994 BMW 7 Series holds between 21.5 and 24.0 gallons, depending on the trim. 24.0 gallons is the usual size; the smaller 21.5-gallon tank is on the 740i 4dr Sedan.
How many gallons and liters does the 1994 BMW 7 Series gas tank hold?
The 1994 BMW 7 Series tank holds 81–91 liters, or 21.5–24.0 gallons in US gallons.
Which 1994 BMW 7 Series has the biggest gas tank?
The 24.0-gallon tank is on the 740iL 4dr Sedan, 750iL 4dr Sedan. The smallest tank, 21.5 gallons, is on the 740i 4dr Sedan.
How far can a 1994 BMW 7 Series go on a full tank?
About 408–504 miles on the highway and 264–360 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 1994 BMW 7 Series go on a quarter tank?
About 126 highway miles or 90 in town from the 24.0-gallon tank, which has roughly 6.0 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 1994 BMW 7 Series take?
Regular unleaded. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 1994 BMW 7 Series?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 24.0-gallon tank from empty costs $102.48. It ranges from $88.80 in the Gulf Coast to $141.36 in California.
How much does a full tank of gas weigh in a 1994 BMW 7 Series?
About 149 pounds for the 24.0-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 1994 BMW 7 Series have a bigger gas tank than the Jaguar XJ-Series?
No, they match: both top out at 24.0 gallons in 1994.
Has the 1994 BMW 7 Series had a fuel pump or fuel system recall?
No. None of the 3 recalls NHTSA lists for the 1994 BMW 7 Series 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.