1999 Toyota 4Runner Gas Tank Size & Fuel Capacity
Fuel tank capacity
18.5gal · 70 L
The 1999 Toyota 4Runner has a fuel tank capacity of 18.5 gallons (70 liters) on every trim.
A full tank is good for roughly 333–389 highway miles or 278–296 miles around town, going by the EPA ratings.
18.5 gal · Smaller than 53% of 1999 models we list.
- By trim
- Gas cap & parts
- Fuel essentials
- Miles per tank
- Fill-up cost
- Other years
- Compared
- Pump & gauge parts
- FAQ
1999 Toyota 4Runner fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Drive
- no difference
- Engine
- no difference
All 6 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| 4dr SUV 2.7L 4cyl 5M · RWD MPG 16 / 21Range 296 / 389 mi | 2.7L 4cyl 5M | RWD | 18.5 gal70 L | 16 / 21 | 296 / 389 mi | |
| 4dr SUV 4WD 2.7L 4cyl 5M · 4WD MPG 15 / 19Range 278 / 352 mi | 2.7L 4cyl 5M | 4WD | 18.5 gal70 L | 15 / 19 | 278 / 352 mi | |
| Limited 4dr SUV 3.4L 6cyl 4A · RWD MPG 16 / 19Range 296 / 352 mi | 3.4L 6cyl 4A | RWD | 18.5 gal70 L | 16 / 19 | 296 / 352 mi | |
| Limited 4dr SUV 4WD 3.4L 6cyl 4A · 4WD MPG 15 / 18Range 278 / 333 mi | 3.4L 6cyl 4A | 4WD | 18.5 gal70 L | 15 / 18 | 278 / 333 mi | |
| SR5 4dr SUV 3.4L 6cyl 4A · RWD MPG 16 / 19Range 296 / 352 mi | 3.4L 6cyl 4A | RWD | 18.5 gal70 L | 16 / 19 | 296 / 352 mi | |
| SR5 4dr SUV 4WD 3.4L 6cyl 5M · 4WD MPG 15 / 18Range 278 / 333 mi | 3.4L 6cyl 5M | 4WD | 18.5 gal70 L | 15 / 18 | 278 / 333 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 1999 Toyota 4Runner 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 18.5-gallon tank covers about 315 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 18.5 | 352 | 296 |
| 3/4 | 13.9 | 264 | 222 |
| 1/2 | 9.3 | 176 | 148 |
| 1/4 | 4.6 | 88 | 74 |
| 1/8 | 2.3 | 44 | 37 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 882 gallons, roughly 48 full tanks.
In real driving: owners who log fill-ups at fueleconomy.gov average 17.4 MPG in the 4Runner (16 drivers), about 322 miles on a full 18.5-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
- 16–18 MPG
- Tailpipe CO2
- 494–555 g/mi
- Source
- EPA ratings
What it costs to fill up a 1999 Toyota 4Runner
$78.99 to fill the 18.5-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 |
|---|---|---|---|---|
| 18.5 gal | Regular | $4.27 | $78.99 | $59.25 |
By region, 18.5-gallon tank
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $74.37 |
| Midwest | $4.27 | $78.99 |
| Gulf CoastLowest | $3.70 | $68.45 |
| Rocky Mountain | $4.46 | $82.51 |
| West Coast | $5.42 | $100.27 |
| CaliforniaHighest | $5.89 | $108.96 |
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
- 18.5-gallon tank$78.99
- 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.
4Runner tank size in other years
The 1999 4Runner uses the same 18.5 gal tank as every 4Runner since 1996.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2004 4Runner | 23.0 gal | 460 mi |
| 2003 4Runner | 23.0 gal | 460 mi |
| 2002 4Runner | 18.5 gal | 333 mi |
| 2001 4Runner | 18.5 gal | 352 mi |
| 2000 4Runner | 18.5 gal | 389 mi |
| 1999 4Runner | 18.5 gal | 389 mi |
| 1998 4Runner | 18.5 gal | 407 mi |
| 1997 4Runner | 18.5 gal | 407 mi |
| 1996 4Runner | 18.5 gal | 426 mi |
| 1995 4Runner | 17.2 gal | 344 mi |
| 1994 4Runner | 17.2 gal | 344 mi |
- 2026
- 2025
- 2024
- 2023
- 2022
- 2021
- 2020
- 2019
- 2018
- 2017
- 2016
- 2015
- 2014
- 2013
- 2012
- 2011
- 2010
- 2009
- 2008
- 2007
- 2006
- 2005
- 2004
- 2003
- 2002
- 2001
- 2000
- 1999
- 1998
- 1997
- 1996
- 1995
- 1994
- 1993
- 1992
- 1991
- 1990
1999 Toyota 4Runner vs similar 1999 SUVs
At 18.5 gallons, the 4Runner's largest tank ranks sixth of the seven 1999 SUVs compared here. The Honda Passport carries the most (21.1 gal) and the Oldsmobile Bravada the least (18.0 gal).
| 1999 model | Tank | Longest highway range |
|---|---|---|
| Honda Passport | 21.1 gal | 401 mi |
| Nissan Pathfinder | 21.1 gal | 380 mi |
| Isuzu Rodeo | 21.1 gal | 464 mi |
| Jeep Grand Cherokee | 20.5 gal | 390 mi |
| Chevrolet Blazer | 18.0–19.0 gal | 399 mi |
| Toyota 4Runner | 18.5 gal | 389 mi |
| Oldsmobile Bravada | 18.0 gal | 342 mi |
Other 1999 SUVs of a similar size, one model per brand.
1999 Toyota 4Runner fuel pump and gauge parts
These are the part numbers the makers list for the 1999 Toyota 4Runner. Check the fuel system recalls first: recall repairs are free.
As an Amazon Associate we earn from qualifying purchases.
Frequently asked questions
What is the fuel tank capacity of the 1999 Toyota 4Runner?
The 1999 Toyota 4Runner holds 18.5 gallons (70 liters) on every trim we list.
How many gallons and liters does the 1999 Toyota 4Runner gas tank hold?
The 1999 Toyota 4Runner tank holds 70 liters, or 18.5 gallons in US gallons.
Does 4WD change the 1999 Toyota 4Runner gas tank?
No. RWD and 4WD versions of the 1999 Toyota 4Runner use the same 18.5 gal tank.
How far can a 1999 Toyota 4Runner go on a full tank?
About 333–389 miles on the highway and 278–296 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 1999 Toyota 4Runner go on a quarter tank?
About 88 highway miles or 74 in town from the 18.5-gallon tank, which has roughly 4.6 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
How many miles does a 1999 Toyota 4Runner really get on a tank?
Drivers who log their fill-ups at fueleconomy.gov average 17.4 MPG in the 1999 Toyota 4Runner (16 drivers), which works out to about 322 miles on a full 18.5-gallon tank.
What gas does the 1999 Toyota 4Runner take?
Regular unleaded. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 1999 Toyota 4Runner?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 18.5-gallon tank from empty costs $78.99. It ranges from $68.45 in the Gulf Coast to $108.96 in California.
How much does a full tank of gas weigh in a 1999 Toyota 4Runner?
About 115 pounds for the 18.5-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 1999 Toyota 4Runner have a bigger gas tank than the Chevrolet Blazer?
No. The 1999 Chevrolet Blazer holds up to 19.0 gallons; the 1999 Toyota 4Runner holds up to 18.5.
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.