2026 Mercedes-Benz GLA Gas Tank Size & Fuel Capacity
Fuel tank capacity
13.5gal · 51 L
The 2026 Mercedes-Benz GLA has a fuel tank capacity of 13.5 gallons (51 liters) on every trim.
A full tank is good for roughly 405–459 highway miles or 297–351 miles around town, going by the EPA ratings.
13.5 gal · Smaller than 86% of 2026 models we list.
- By trim
- Gas cap & parts
- Fuel essentials
- Miles per tank
- Fill-up cost
- Other years
- Compared
- Fuel recalls
- FAQ
2026 Mercedes-Benz GLA fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Drive
- no difference
All 3 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| AMG GLA 35 4dr SUV AWD 2.0L 4cyl Turbo mild hybrid 8AM · AWD MPG 22 / 30Range 297 / 405 mi | 2.0L 4cyl Turbo mild hybrid 8AM | AWD | 13.5 gal51 L | 22 / 30 | 297 / 405 mi | |
| GLA 250 4MATIC 4dr SUV AWD 2.0L 4cyl Turbo mild hybrid 8AM · AWD MPG 25 / 33Range 338 / 446 mi | 2.0L 4cyl Turbo mild hybrid 8AM | AWD | 13.5 gal51 L | 25 / 33 | 338 / 446 mi | |
| GLA 250 4dr SUV 2.0L 4cyl Turbo mild hybrid 8AM · FWD MPG 26 / 34Range 351 / 459 mi | 2.0L 4cyl Turbo mild hybrid 8AM | FWD | 13.5 gal51 L | 26 / 34 | 351 / 459 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 2026 Mercedes-Benz GLA 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 25 MPG, a full 13.5-gallon tank covers about 338 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 13.5 | 405 | 297 |
| 3/4 | 10.1 | 304 | 223 |
| 1/2 | 6.8 | 203 | 149 |
| 1/4 | 3.4 | 101 | 74 |
| 1/8 | 1.7 | 51 | 37 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 600 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.
What it costs to fill up a 2026 Mercedes-Benz GLA
$71.28 to fill the 13.5-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 |
|---|---|---|---|---|
| 13.5 gal | Premium | $5.28 | $71.28 | $53.46 |
By region, 13.5-gallon tank
| Region | Premium / gal | Fill from empty |
|---|---|---|
| East Coast | $4.93 | $66.55 |
| Midwest | $5.37 | $72.50 |
| Gulf CoastLowest | $4.57 | $61.70 |
| Rocky Mountain | $5.12 | $69.12 |
| West Coast | $6.08 | $82.08 |
| CaliforniaHighest | $6.36 | $85.86 |
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
- 13.5-gallon tank$71.28
- A year of driving (15,000 mi)$3,168
Starts at the US average for premium; type in what your station charges. For other tank sizes, use the fill-up calculator.
GLA tank size in other years
2026 is the first GLA model year we list.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2026 GLA | 13.5 gal | 459 mi |
2026 Mercedes-Benz GLA vs similar 2026 SUVs
At 13.5 gallons, the GLA's largest tank ranks fifth of the seven 2026 SUVs compared here. The Land Rover Range Rover Evoque carries the most (17.7 gal) and the Lexus UX the least (10.6 gal).
| 2026 model | Tank | Longest highway range |
|---|---|---|
| Land Rover Range Rover Evoque | 17.7 gal | 478 mi |
| Lincoln Corsair | 11.1–16.2 gal | 486 mi |
| BMW X1 | 14.3 gal | 486 mi |
| Volvo XC40 | 14.2 gal | 454 mi |
| Mercedes-Benz GLA | 13.5 gal | 459 mi |
| Alfa Romeo Tonale | 13.5 gal | 392 mi |
| Lexus UX | 10.6 gal | 435 mi |
Other 2026 SUVs of a similar size, one model per brand.
2026 Mercedes-Benz GLA fuel system recalls
None of the 1 recall NHTSA lists for the 2026 Mercedes-Benz GLA involve the fuel system.
Frequently asked questions
What is the fuel tank capacity of the 2026 Mercedes-Benz GLA?
The 2026 Mercedes-Benz GLA holds 13.5 gallons (51 liters) on every trim we list.
How many gallons and liters does the 2026 Mercedes-Benz GLA gas tank hold?
The 2026 Mercedes-Benz GLA tank holds 51 liters, or 13.5 gallons in US gallons.
Does AWD change the 2026 Mercedes-Benz GLA gas tank?
No. AWD and FWD versions of the 2026 Mercedes-Benz GLA use the same 13.5 gal tank.
How far can a 2026 Mercedes-Benz GLA go on a full tank?
About 405–459 miles on the highway and 297–351 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 2026 Mercedes-Benz GLA go on a quarter tank?
About 101 highway miles or 74 in town from the 13.5-gallon tank, which has roughly 3.4 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2026 Mercedes-Benz GLA take?
Premium unleaded (required). The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2026 Mercedes-Benz GLA?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 13.5-gallon tank from empty costs $71.28. It ranges from $61.70 in the Gulf Coast to $85.86 in California.
How much does a full tank of gas weigh in a 2026 Mercedes-Benz GLA?
About 84 pounds for the 13.5-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2026 Mercedes-Benz GLA have a bigger gas tank than the Alfa Romeo Tonale?
No, they match: both top out at 13.5 gallons in 2026.
Has the 2026 Mercedes-Benz GLA had a fuel pump or fuel system recall?
No. None of the 1 recall NHTSA lists for the 2026 Mercedes-Benz GLA 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. 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 (Mercedes-Benz 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.