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Just wanted to make a post about the MPG for my 2021 2x4 midnight frontier. Ive got around 4500 miles on her now. Around town where I live and going to work Ive been getting around 18ish around town and maybe 20-21 going to work thats about 35miles away. (mixed driving style Id say anywhere between 70-80mph)

Yesterday Wife and I went on a trip from AR to NE and I wanted to really focus on gas mileage HIGHWAY only. Filled up the tank and did 65mph for 320 miles. Stopped and got gas, and put in 13.3 gallons (fuel guage was maybe a little bit close to quarter of a tank). I used BP reg 87 gas. If you do the math. 320miles divided by 13.3 gallons = 24.06. Pretty happy with that. Ive noticed that the sweet spot so far is 60-65mph. Go up to say 70 or 75mph and you can kiss it goodbye.

We had some pretty strong headwinds and had about 600lbs of payload, so I must say at least for straight highway mileage I'm pretty please with getting the sticker gas mileage of 24mpg!

Anyone else with a 2020/2021 3.8L wanna post their gas mileage?
 

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2020 Frontier SV CC 4x2 Midnight
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I have a 2020 and I drive mostly highway around 70-80mph and some city driving. Almost every full up its 18-19 mpg. One time I drove across the state and left the car idling with AC on for a few hours... still 18 mpg next fill up. I don't think I can drive 60-65 to get the magic 24 mpg number, like you and others have stated. Too slow for me
 

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2021 Nissan Frontier SVE 4x4 Midnight
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I get around 20-21 driving 100 miles round trip for work. Have a Midnight, 4x4, it's better than my Ram and wifey loves to drive it (dang it).
 

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my 2020 i just hit 5500 miles and i see around 16.8- 17.4, but i also usually carry no less than 1000 lbs in tools at all times and the roof top tent doesn't help lol. Still way better than what I was getting under the old 4.0L I was more near 12-13
 

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2020 Nissan Frontier Pro-4X
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199 Posts
2020 Pro-4X, best tank was 22 with 95% highway and the rest slow off road trails
 

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Our 2021 Pro 4 with jnut under 3K got 19 mpg on a Fla trip a month ago. Haven't towed the camper yet expect 10-14 towing.
 

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Watching this! I am thinking of moving out of my 2011 SV 4x4 6sp (80k) to get into a ’21. The 4.0 gets 21-23 at 65-70. So I’m very curious to see what the new engine/trans can deliver before I pull the trigger.
 

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Looks like the city mileage is significantly better than the 4.0.

Highway mileage is more of a wash - which is not surprising. (When you're in top gear, you're in top gear - regardless of how many other gears you have.)

(My 4.0 is averaging 14.5 in all-city driving.)
 

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2018 SV Midnight Edition + 2008 Avalon XL
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I'm not raining on the 3.8 parade, more giving a point of reference. , but with a tonneu cover and keeping it at 65, I've gotten my 2018 4x4 midnight to 23.7. I've never averaged below 19 even with more city/mild off roading or driving 75.
 

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2020 SV Crew
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Averaging 22 on my 20 2WD CC. 50% hwy at 70-75mph and 50% around town and country roads. Really, pretty decent for a truck.
 

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Averaging 22 on my 20 2WD CC. 50% hwy at 70-75mph and 50% around town and country roads. Really, pretty decent for a truck.
Gotta ask:
Dash display calculated and verified by hand?
 

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Tried to quote Speefrk's post, but quote failed me. Same result for the first 2600 miles with my 2021. computer generated overall average. Each tank verified with calculator. I can go 100 miles further on a tank of 20 gallons than with my 2014 4 Liter.
 
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2020 SV Crew
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Gotta ask:
Dash display calculated and verified by hand?
Calculated by hand each tank and then averaged over several tanks. Remember, 2WD probably adds at least 1mpg compared with 4WD. I think for pure interstate at 70-75 it might actually get 24.
 

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Tried to quote Speefrk's post, but quote failed me. Same result for the first 2600 miles with my 2021. computer generated overall average. Each tank verified with calculator. I can go 100 miles further on a tank of 20 gallons than with my 2014 4 Liter.
Is that city or highway driving?
 

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2021 SV
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1100 miles my 2021 Sv 4x4.
All country road / town driving.
On the dash say 17.5 mpg
Real life calculator says 16.1 mpg.
Be nice if were within couple tenths. Otherwise what good is it.. Best better check my odometer too to see if that's right..🙄
Guess they can make it say anything they want..
 

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2020 SV Crew
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1100 miles my 2021 Sv 4x4.
All country road / town driving.
On the dash say 17.5 mpg
Real life calculator says 16.1 mpg.
Be nice if were within couple tenths. Otherwise what good is it.. Best better check my odometer too to see if that's right..🙄
Guess they can make it say anything they want..
Right, unless you are verifying using advanced 2nd grade arithmetic, you might be off by 1-2 mpg. My Challenger was off by 2 mpg and it had the latest and greatest electronics in it. My speedo is off by 3mph. 75 indicated is really 72 using gps. So, maybe the ODO is off too. I need to find a marked mile on the interstate...
 

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My driving has mostly consisted of country roads around rural Minnesota.
 

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1100 miles my 2021 Sv 4x4.
All country road / town driving.
On the dash say 17.5 mpg
Real life calculator says 16.1 mpg.
Be nice if were within couple tenths. Otherwise what good is it.. Best better check my odometer too to see if that's right..🙄
Guess they can make it say anything they want..
The other side of the coin is that no two gas station pumps shut off at exactly the same fill level - which means that it's almost impossible to replace the same exact amount of gas you used since your last fillup.

The only fuel economy measurement that's reasonably accurate is the one that's averaged over dozens (or hundreds) of fillups.
 
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2021 SV
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The other side of the coin is that no two gas station pumps shut off at exactly the same fill level - which means that it's almost impossible to replace the same exact amount of gas you used since your last fillup.

The only fuel economy measurement that's reasonably accurate is the one that's averaged over dozens (or hundreds) of fillups.
You're right to a point.
But this been consistent since I bought it. Every fill up.
 
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