2004 Nissan Armada Gas Tank Size

The 2004 Nissan Armada gas tank size is 28 gallons or 127.2 liters.
Written by Katherine Duffy
Reviewed by Jessica Barrett
Updated on Sep 12, 2022
The 2004 Nissan Armada gas tank size is 28 gallons or 127.2 liters.  
Now more than ever, it’s important to understand exactly how many gallons you need to pay for each time you fill up at the gas tank—especially if you drive a gas guzzler like the Nissan Armada. Not sure where your owner’s manual is to find out your gas tank capacity? 
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How big is the gas tank on a 2004 Nissan Armada?

The 2004 Nissan Armada, the brand’s full-sized sport-utility SUV fit for long road trips or a day of errands, has a powerful 5.6-liter V8 engine to keep this car performing efficiently. An engine this large and with a huge amount of power requires a gas tank with a capacity of 28 gallons or 127.2 liters. 
This engine size and gas tank size are average for the Nissan Armada’s vehicle class. 

How to check your 2004 Nissan Armada’s gas tank size

If you’d like to be sure and check your Nissan Amada’s gas tank size yourself, there are a few different easy ways to do so at home. 

Measure the gas tank

This option is great if you want a spot-on measurement, but it depends on how accurate you are with a tape measure. You’ll just need to multiply the width, length, and height of the tank and divide your result by 231—the number of cubic inches in a gallon—to get your answer. Your final number is the volume of your gas tank in gallons. 

Check your owner’s manual

If you have your owner’s manual handy, look for sections covering “gas tank capacity,” “fuel tank volume,” or similar terms to pinpoint your Armada’s gas tank size, officially reported by Nissan itself! 

Drive till empty, then fill it up

Don’t have a measuring tape or the owner’s manual, but a lot of guts instead? Take your car for a long drive and note how long it takes your fuel gauge to reach that ominous “E” before turning around to fuel up. This method won’t provide an exact figure, but it’ll give you a pretty good idea of your car’s gas tank size. Just don’t push it! 

How to save on fuel costs in a Nissan Armada 

With an abysmal combined mpg rating of 14 for city and highway miles, it can be tough to save gas when you drive a Nissan Armada. That being said, there are steps you can take to cut down on gas costs, even in an Armada. Follow these handy tips on the road to save hundreds at the pump per year: 
  • Keep up with maintenance. Maintaining your car regularly by replacing fluids when needed and bringing your car in for routine tune-ups will keep it as fuel-efficient as possible. 
  • Drive carefully. Avoid accelerating suddenly. Instead, build speed slowly and steadily and try to stick to one pace, especially on the highway. 
  • Avoid idling, especially in cold weather. Idling wastes money—it’s as simple as that. Don’t idle your car for 10-15 minutes in the morning. Instead, drive your car around for a gentle warmup before or even on your morning commute. 

How to optimize your Armada’s insurance coverage

It’s tough to optimize your fuel efficiency in an SUV like the Armada. Thankfully, optimizing your
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