2008 Chevrolet Trailblazer Gas Tank Size & Fuel Capacity
Fuel tank capacity
22.0gal · 83 L
The 2008 Chevrolet Trailblazer has a fuel tank capacity of 22.0 gallons (83 liters) on every trim.
A full tank is good for roughly 352–440 highway miles or 264–308 miles around town, going by the EPA ratings.
22.0 gal · Bigger than 69% of 2008 models we list.
- By trim
- Gas cap & parts
- Fuel essentials
- Miles per tank
- Fill-up cost
- Other years
- Compared
- Pump & gauge parts
- FAQ
2008 Chevrolet Trailblazer fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Drive
- no difference
- Engine
- no difference
All 14 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | Fuel | MPG city / hwy | Range city / hwy |
|---|---|---|---|---|---|---|
| Fleet 4dr SUV 4.2L 6cyl 4A · RWD · Regular MPG 14 / 20Range 308 / 440 mi | 4.2L 6cyl 4A | RWD | 22.0 gal83 L | Regular | 14 / 20 | 308 / 440 mi |
| Fleet 4dr SUV 4WD 4.2L 6cyl 4A · 4WD · Regular MPG 14 / 20Range 308 / 440 mi | 4.2L 6cyl 4A | 4WD | 22.0 gal83 L | Regular | 14 / 20 | 308 / 440 mi |
| Fleet 4dr SUV 4WD w/2FL 4.2L 6cyl 4A · 4WD · Regular MPG 14 / 20Range 308 / 440 mi | 4.2L 6cyl 4A | 4WD | 22.0 gal83 L | Regular | 14 / 20 | 308 / 440 mi |
| Fleet 4dr SUV w/2FL 4.2L 6cyl 4A · RWD · Regular MPG 14 / 20Range 308 / 440 mi | 4.2L 6cyl 4A | RWD | 22.0 gal83 L | Regular | 14 / 20 | 308 / 440 mi |
| LT 4dr SUV 4.2L 6cyl 4A · RWD · Regular MPG 14 / 20Range 308 / 440 mi | 4.2L 6cyl 4A | RWD | 22.0 gal83 L | Regular | 14 / 20 | 308 / 440 mi |
| LT 4dr SUV 4WD 4.2L 6cyl 4A · 4WD · Regular MPG 14 / 20Range 308 / 440 mi | 4.2L 6cyl 4A | 4WD | 22.0 gal83 L | Regular | 14 / 20 | 308 / 440 mi |
| LT 4dr SUV 4WD w/2LT 4.2L 6cyl 4A · 4WD · Regular MPG 14 / 20Range 308 / 440 mi | 4.2L 6cyl 4A | 4WD | 22.0 gal83 L | Regular | 14 / 20 | 308 / 440 mi |
| LT 4dr SUV 4WD w/3LT 4.2L 6cyl 4A · 4WD · Regular MPG 14 / 20Range 308 / 440 mi | 4.2L 6cyl 4A | 4WD | 22.0 gal83 L | Regular | 14 / 20 | 308 / 440 mi |
| LT 4dr SUV w/2LT 4.2L 6cyl 4A · RWD · Regular MPG 14 / 20Range 308 / 440 mi | 4.2L 6cyl 4A | RWD | 22.0 gal83 L | Regular | 14 / 20 | 308 / 440 mi |
| LT 4dr SUV w/3LT 4.2L 6cyl 4A · RWD · Regular MPG 14 / 20Range 308 / 440 mi | 4.2L 6cyl 4A | RWD | 22.0 gal83 L | Regular | 14 / 20 | 308 / 440 mi |
| SS 4dr SUV 6.0L 8cyl 4A · RWD · Premium (required) MPG 12 / 16Range 264 / 352 mi | 6.0L 8cyl 4A | RWD | 22.0 gal83 L | Premiumrequired | 12 / 16 | 264 / 352 mi |
| SS 4dr SUV AWD 6.0L 8cyl 4A · AWD · Premium (required) MPG 12 / 16Range 264 / 352 mi | 6.0L 8cyl 4A | AWD | 22.0 gal83 L | Premiumrequired | 12 / 16 | 264 / 352 mi |
| SS 4dr SUV AWD w/3SS 6.0L 8cyl 4A · AWD · Premium (required) MPG 12 / 16Range 264 / 352 mi | 6.0L 8cyl 4A | AWD | 22.0 gal83 L | Premiumrequired | 12 / 16 | 264 / 352 mi |
| SS 4dr SUV w/3SS 6.0L 8cyl 4A · RWD · Premium (required) MPG 12 / 16Range 264 / 352 mi | 6.0L 8cyl 4A | RWD | 22.0 gal83 L | Premiumrequired | 12 / 16 | 264 / 352 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 Trailblazer 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 22.0-gallon tank covers about 352 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 22.0 | 440 | 308 |
| 3/4 | 16.5 | 330 | 231 |
| 1/2 | 11.0 | 220 | 154 |
| 1/4 | 5.5 | 110 | 77 |
| 1/8 | 2.8 | 55 | 39 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 938 gallons, roughly 43 full tanks.
In real driving: owners who log fill-ups at fueleconomy.gov average 18.8 MPG in the Trailblazer (8 drivers), about 414 miles on a full 22.0-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
- 13–17 MPG
- Tailpipe CO2
- 523–684 g/mi
- Source
- EPA ratings
What it costs to fill up a 2008 Chevrolet Trailblazer
$93.94 to fill the 22.0-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 |
|---|---|---|---|---|
| 22.0 gal | Regular | $4.27 | $93.94 | $70.45 |
| 22.0 gal | Premium | $5.28 | $116.16 | $87.12 |
By region, 22.0-gallon tank
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $88.44 |
| Midwest | $4.27 | $93.94 |
| Gulf CoastLowest | $3.70 | $81.40 |
| Rocky Mountain | $4.46 | $98.12 |
| West Coast | $5.42 | $119.24 |
| CaliforniaHighest | $5.89 | $129.58 |
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
- 22.0-gallon tank$93.94
- A year of driving (15,000 mi)$4,003
Starts at the US average for regular; type in what your station charges. For other tank sizes, use the fill-up calculator.
Trailblazer tank size in other years
The 2008 Trailblazer uses the same 22.0 gal tank as every Trailblazer since 2004.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2024 Trailblazer | 13.2 gal | 436 mi |
| 2023 Trailblazer | 13.2 gal | 436 mi |
| 2022 Trailblazer | 13.2 gal | 436 mi |
| 2021 Trailblazer | 13.2 gal | 436 mi |
| 2009 Trailblazer | 22.0 gal | 440 mi |
| 2008 Trailblazer | 22.0 gal | 440 mi |
| 2007 Trailblazer | 22.0 gal | 440 mi |
| 2006 Trailblazer | 22.0 gal | 440 mi |
| 2005 Trailblazer | 22.0 gal | 440 mi |
| 2004 Trailblazer | 22.0 gal | 418 mi |
| 2003 Trailblazer | 22.0–25.0 gal | 475 mi |
2008 Chevrolet Trailblazer vs similar 2008 SUVs
The Trailblazer has the largest tank of the seven 2008 SUVs compared here, 22.0 gallons against 22.0 for the GMC Envoy.
| 2008 model | Tank | Longest highway range |
|---|---|---|
| Chevrolet Trailblazer | 22.0 gal | 440 mi |
| GMC Envoy | 22.0 gal | 440 mi |
| Isuzu Ascender | 21.7 gal | 434 mi |
| Jeep Grand Cherokee | 21.1 gal | 422 mi |
| Hyundai Veracruz | 20.6 gal | 474 mi |
| Honda Pilot | 20.4 gal | 449 mi |
| Mazda CX-9 | 20.1 gal | 442 mi |
Other 2008 SUVs of a similar size, one model per brand.
2008 Chevrolet Trailblazer fuel pump and gauge parts
These are the part numbers the makers list for the 2008 Chevrolet Trailblazer. Check the fuel system recalls first: recall repairs are free.
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Frequently asked questions
What is the fuel tank capacity of the 2008 Chevrolet Trailblazer?
The 2008 Chevrolet Trailblazer holds 22.0 gallons (83 liters) on every trim we list.
How many gallons and liters does the 2008 Chevrolet Trailblazer gas tank hold?
The 2008 Chevrolet Trailblazer tank holds 83 liters, or 22.0 gallons in US gallons.
Does 4WD change the 2008 Chevrolet Trailblazer gas tank?
No. RWD and 4WD and AWD versions of the 2008 Chevrolet Trailblazer use the same 22.0 gal tank.
How far can a 2008 Chevrolet Trailblazer go on a full tank?
About 352–440 miles on the highway and 264–308 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 Trailblazer go on a quarter tank?
About 110 highway miles or 77 in town from the 22.0-gallon tank, which has roughly 5.5 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
How many miles does a 2008 Chevrolet Trailblazer really get on a tank?
Drivers who log their fill-ups at fueleconomy.gov average 18.8 MPG in the 2008 Chevrolet Trailblazer (8 drivers), which works out to about 414 miles on a full 22.0-gallon tank.
What gas does the 2008 Chevrolet Trailblazer take?
Regular unleaded, or Premium unleaded (required), 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 Trailblazer?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 22.0-gallon tank from empty costs $93.94. It ranges from $81.40 in the Gulf Coast to $129.58 in California.
How much does a full tank of gas weigh in a 2008 Chevrolet Trailblazer?
About 136 pounds for the 22.0-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2008 Chevrolet Trailblazer have a bigger gas tank than the GMC Envoy?
No, they match: both top out at 22.0 gallons in 2008.
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).
- 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.