2008 Chevrolet Impala Gas Tank Size & Fuel Capacity
Fuel tank capacity
17.0gal · 64 L
The 2008 Chevrolet Impala has a fuel tank capacity of 17.0 gallons (64 liters) on every trim.
A full tank is good for roughly 408–493 highway miles or 272–306 miles around town, going by the EPA ratings.
17.0 gal · Smaller than 70% of 2008 models we list.
- By trim
- Gas cap & parts
- Fuel essentials
- Miles per tank
- Fill-up cost
- Other years
- Compared
- Fuel recalls
- Pump & gauge parts
- FAQ
2008 Chevrolet Impala fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Powertrain
- no difference
- Engine
- no difference
All 6 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | Fuel | MPG city / hwy | Range city / hwy |
|---|---|---|---|---|---|---|
| 50th Anniversary 4dr Sedan 3.5L 6cyl 4A · FWD · Flex-fuel (gas or E85) MPG 18 / 29Range 306 / 493 mi | 3.5L 6cyl 4A Flex-fuel | FWD | 17.0 gal64 L | Flex-fuelgas or E85 | 18 / 29 | 306 / 493 mi |
| LS 4dr Sedan 3.5L 6cyl 4A · FWD · Flex-fuel (gas or E85) MPG 18 / 29Range 306 / 493 mi | 3.5L 6cyl 4A Flex-fuel | FWD | 17.0 gal64 L | Flex-fuelgas or E85 | 18 / 29 | 306 / 493 mi |
| LT 4dr Sedan 3.5L 6cyl 4A · FWD · Flex-fuel (gas or E85) MPG 18 / 29Range 306 / 493 mi | 3.5L 6cyl 4A Flex-fuel | FWD | 17.0 gal64 L | Flex-fuelgas or E85 | 18 / 29 | 306 / 493 mi |
| LT 4dr Sedan 3.9L 6cyl 4A · FWD · Flex-fuel (gas or E85) MPG 18 / 28Range 306 / 476 mi | 3.9L 6cyl 4A Flex-fuel | FWD | 17.0 gal64 L | Flex-fuelgas or E85 | 18 / 28 | 306 / 476 mi |
| LTZ 4dr Sedan 3.9L 6cyl 4A · FWD · Flex-fuel (gas or E85) MPG 18 / 28Range 306 / 476 mi | 3.9L 6cyl 4A Flex-fuel | FWD | 17.0 gal64 L | Flex-fuelgas or E85 | 18 / 28 | 306 / 476 mi |
| SS 4dr Sedan 5.3L 8cyl 4A · FWD · Regular MPG 16 / 24Range 272 / 408 mi | 5.3L 8cyl 4A | FWD | 17.0 gal64 L | Regular | 16 / 24 | 272 / 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 2008 Chevrolet Impala 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 17.0-gallon tank covers about 374 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 17.0 | 493 | 306 |
| 3/4 | 12.8 | 370 | 230 |
| 1/2 | 8.5 | 247 | 153 |
| 1/4 | 4.3 | 123 | 77 |
| 1/8 | 2.1 | 62 | 38 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 682 gallons, roughly 40 full tanks.
In real driving: owners who log fill-ups at fueleconomy.gov average 25 MPG in the Impala (31 drivers), about 425 miles on a full 17.0-gallon tank.
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
- 19–22 MPG
- Tailpipe CO2
- 404–468 g/mi
- Source
- EPA ratings
What it costs to fill up a 2008 Chevrolet Impala
$72.59 to fill the 17.0-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 |
|---|---|---|---|---|
| 17.0 gal | Regular | $4.27 | $72.59 | $54.44 |
| 17.0 gal | E85 (flex-fuel trims) | $3.31 | $56.27 | $42.20 |
By region, 17.0-gallon tank
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $68.34 |
| Midwest | $4.27 | $72.59 |
| Gulf CoastLowest | $3.70 | $62.90 |
| Rocky Mountain | $4.46 | $75.82 |
| West Coast | $5.42 | $92.14 |
| CaliforniaHighest | $5.89 | $100.13 |
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
- 17.0-gallon tank$72.59
- A year of driving (15,000 mi)$2,911
Starts at the US average for regular; type in what your station charges. For other tank sizes, use the fill-up calculator.
Impala tank size in other years
The 2008 Impala uses the same 17.0 gal tank as every Impala since 2000.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2013 Impala | 17.0 gal | 510 mi |
| 2012 Impala | 17.0 gal | 510 mi |
| 2011 Impala | 17.0 gal | 493 mi |
| 2010 Impala | 17.0 gal | 493 mi |
| 2009 Impala | 17.0 gal | 493 mi |
| 2008 Impala | 17.0 gal | 493 mi |
| 2007 Impala | 17.0 gal | 476 mi |
| 2006 Impala | 17.0 gal | 476 mi |
| 2005 Impala | 17.0 gal | 493 mi |
| 2004 Impala | 17.0 gal | 493 mi |
| 2003 Impala | 17.0 gal | 493 mi |
2008 Chevrolet Impala vs similar 2008 sedans
The Impala has the smallest tank of the six 2008 sedans compared here: 17.0 gallons, against 20.0 for the Ford Taurus.
| 2008 model | Tank | Longest highway range |
|---|---|---|
| Ford Taurus | 20.0 gal | 560 mi |
| Mercury Sable | 20.0 gal | 560 mi |
| Hyundai Azera | 19.8 gal | 515 mi |
| Toyota Avalon | 18.5 gal | 518 mi |
| Kia Amanti | 18.5 gal | 444 mi |
| Chevrolet Impala | 17.0 gal | 493 mi |
Other 2008 sedans of a similar size, one model per brand.
2008 Chevrolet Impala fuel system recalls
None of the 2 recalls NHTSA lists for the 2008 Chevrolet Impala involve the fuel system.
2008 Chevrolet Impala fuel pump and gauge parts
NHTSA lists no fuel-system recall for the 2008 Chevrolet Impala, so a failed pump or gauge is a normal repair. These are the part numbers the makers list for it.
As an Amazon Associate we earn from qualifying purchases.
Frequently asked questions
What is the fuel tank capacity of the 2008 Chevrolet Impala?
The 2008 Chevrolet Impala holds 17.0 gallons (64 liters) on every trim we list.
How many gallons and liters does the 2008 Chevrolet Impala gas tank hold?
The 2008 Chevrolet Impala tank holds 64 liters, or 17.0 gallons in US gallons.
Does the 2008 Chevrolet Impala tank change with the powertrain?
No. Flex-fuel (E85) and Gas versions of the 2008 Chevrolet Impala use the same 17.0 gal tank.
How far can a 2008 Chevrolet Impala go on a full tank?
About 408–493 miles on the highway and 272–306 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 2008 Chevrolet Impala go on a quarter tank?
About 123 highway miles or 77 in town from the 17.0-gallon tank, which has roughly 4.3 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
How many miles does a 2008 Chevrolet Impala really get on a tank?
Drivers who log their fill-ups at fueleconomy.gov average 25 MPG in the 2008 Chevrolet Impala (31 drivers), which works out to about 425 miles on a full 17.0-gallon tank.
What gas does the 2008 Chevrolet Impala take?
Flex-fuel (unleaded/E85), or Regular unleaded, depending on the engine. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2008 Chevrolet Impala?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 17.0-gallon tank from empty costs $72.59. It ranges from $62.90 in the Gulf Coast to $100.13 in California.
How much does a full tank of gas weigh in a 2008 Chevrolet Impala?
About 105 pounds for the 17.0-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2008 Chevrolet Impala have a bigger gas tank than the Toyota Avalon?
No. The 2008 Toyota Avalon holds up to 18.5 gallons; the 2008 Chevrolet Impala holds up to 17.0.
Has the 2008 Chevrolet Impala had a fuel pump or fuel system recall?
No. None of the 2 recalls NHTSA lists for the 2008 Chevrolet Impala 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 (Chevrolet fuel system recalls).
- Real-world MPG: driver-reported fill-ups shared at fueleconomy.gov (My MPG).
Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.