2007 Buick Rainier Gas Tank Size & Fuel Capacity
Fuel tank capacity
22.0gal · 83 L
The 2007 Buick Rainier has a fuel tank capacity of 22.0 gallons (83 liters) on every trim.
A full tank is good for roughly 440 highway miles or 308 miles around town, going by the EPA ratings.
22.0 gal · Bigger than 66% of 2007 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
2007 Buick Rainier fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Drive
- no difference
All 2 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| CXL 4dr SUV 4.2L 6cyl 4A · RWD MPG 14 / 20Range 308 / 440 mi | 4.2L 6cyl 4A | RWD | 22.0 gal83 L | 14 / 20 | 308 / 440 mi | |
| CXL 4dr SUV AWD 4.2L 6cyl 4A · AWD MPG 14 / 20Range 308 / 440 mi | 4.2L 6cyl 4A | AWD | 22.0 gal83 L | 14 / 20 | 308 / 440 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 2007 Buick Rainier 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.
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
- 16–17 MPG
- Tailpipe CO2
- 523–555 g/mi
- Source
- EPA ratings
What it costs to fill up a 2007 Buick Rainier
$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 |
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.
Rainier tank size in other years
The 2007 Rainier uses the same 22.0 gal tank as every Rainier since 2004.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2007 Rainier | 22.0 gal | 440 mi |
| 2006 Rainier | 22.0 gal | 440 mi |
| 2005 Rainier | 22.0 gal | 440 mi |
| 2004 Rainier | 22.0 gal | 418 mi |
2007 Buick Rainier vs similar 2007 SUVs
At 22.0 gallons, the Rainier's largest tank ranks third of the seven 2007 SUVs compared here. The Ford Explorer carries the most (22.5 gal) and the Jeep Grand Cherokee the least (21.1 gal).
| 2007 model | Tank | Longest highway range |
|---|---|---|
| Ford Explorer | 22.5 gal | 450 mi |
| Mercury Mountaineer | 22.5 gal | 450 mi |
| Buick Rainier | 22.0 gal | 440 mi |
| GMC Envoy | 22.0 gal | 440 mi |
| Chevrolet Trailblazer | 22.0 gal | 440 mi |
| Isuzu Ascender | 21.7 gal | 434 mi |
| Jeep Grand Cherokee | 21.1 gal | 422 mi |
Other 2007 SUVs of a similar size, one model per brand.
2007 Buick Rainier fuel system recalls
None of the 5 recalls NHTSA lists for the 2007 Buick Rainier involve the fuel system.
2007 Buick Rainier fuel pump and gauge parts
NHTSA lists no fuel-system recall for the 2007 Buick Rainier, so a failed pump or gauge is a normal repair. These are the part numbers the makers list for it.
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Frequently asked questions
What is the fuel tank capacity of the 2007 Buick Rainier?
The 2007 Buick Rainier holds 22.0 gallons (83 liters) on every trim we list.
How many gallons and liters does the 2007 Buick Rainier gas tank hold?
The 2007 Buick Rainier tank holds 83 liters, or 22.0 gallons in US gallons.
Does AWD change the 2007 Buick Rainier gas tank?
No. RWD and AWD versions of the 2007 Buick Rainier use the same 22.0 gal tank.
How far can a 2007 Buick Rainier go on a full tank?
About 440 miles on the highway and 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 2007 Buick Rainier 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.
What gas does the 2007 Buick Rainier take?
Regular unleaded. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2007 Buick Rainier?
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 2007 Buick Rainier?
About 136 pounds for the 22.0-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2007 Buick Rainier have a bigger gas tank than the Ford Explorer?
No. The 2007 Ford Explorer holds up to 22.5 gallons; the 2007 Buick Rainier holds up to 22.0.
Has the 2007 Buick Rainier had a fuel pump or fuel system recall?
No. None of the 5 recalls NHTSA lists for the 2007 Buick Rainier 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 (Buick 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.