Why do I only get around 380 miles range for my Prius 2020 XLE AWD?

AWDe does get reduce mpg, heavier Nimh battery, as well as a smaller tank so not sure if your expectation is for a regular Prius that has a bigger tank, lighter battery, and more mpg. Do you leave in the drive mode as economy, normal, or performance? Also what tires did you install? I wonder if the range takes account your history of efficiency. 37 is very low though. I typically average about 43 on my 2019 awde

 

projected range does not include the safety factor. your o/m has both the tank size and the safety amount when you reach zero miles dte.
your mpg's are so subjective, it is impossible to say, see if you can find any averages online

 

The AWDe has a smaller 10.6gal gas tank compared to the 11.3 gal tank in the regular Gen4 and PP. The displayed DTE (distance to empty) is not for the full tank of gas, but until the empty light comes on. If it has the same ~2gal reserve as other Prius, then it is based on ~8.6 gals of gas before empty light comes on. If you are getting a 47.3mpg average, then 47.3x8.6=406.78miles for DTE. I guess, 380-390 miles is close enough. Maybe AWDe may have more than 2 gal of the reserve.

 

I think that is a typo. The photo OP has posted shows 47.3mpg and 290 miles DTE.

 

The advertised range is from full to empty while averaging the EPA rated mpg. Zero miles remaining on the display is a long way from empty. It's basically an indicator telling you to go get gas asap so you don't run out. But, in a pinch, I once went more than 100 miles past the zero mark. And I still had just over a gallon left. (I went 604 miles on that tank, btw and got 59 mpg.)

 

yeah, that is right. I stated an error as well, which I get more closer to 48 mpg ever since lifetime of my car. I got confused with my winter average is about 43 driving in snow and winter conditions vs 50s in the summer. So 47mpg doesn’t sound unusual at all.

 

I wish I would have known this before my 1,200 mile single-day Prius drive. Drove me nuts stopping that often.

 

That’s poor, doubly so for 4th gen.

can you describe your driving in more detail?

 

He may be driving roads like I do, but I doubt it. I've only seen one other Gen4 Prius driver who drove that fast. Some gal in a silver one headed to Miami.

 

sounds like you're good then

 

To elaborate on the good info @Salamander_King provided in post #5: Assuming an EPA average 49 mpg and hitting zero miles DTE with about two gallons left, that's (10.6-2)*49=421.4 miles to indicated empty and 519.4 till actual empty.

The 47.3 mpg on the odometer is really more like 45 mpg. Plugging that into the above arithmetic gives (10.6-2)*45=404.2 to indicated empty and 477 to actual empty.

DTE at fill up is pretty closely tied to MPG on the previous tank. So 390 looks like on the previous tank you averaged about 45.3 mpg and hints that there is less than 2 gallons left at "empty." The "over 500 miles" you referred to in the original post is for the regular Prius which, as you have discovered, has a bigger tank than yours.

I don't know your driving style, but if it's typical of the way most people drive, you could get a lot more range from a tank simply by not tailgating and by braking sooner and more gradually. I'm not saying this is necessarily the reason for your lower than expected mpg and range, but that is usually the reason.

 

I have this exact vehicle. Bought new 18 months ago. Lifetime is 50-ish mpg. When I fill the tank, the distance to empty is 400-500 miles.

 

Depending on what is fast acceleration to you, that might not be a major problem. In fact, very slow acceleration can hurt almost as much as very fast. Both put your engine speed outside of its most efficient range. But what really kills it is late braking. Why throw away all of that expensive kinetic energy as heat and brake dust when much of it can be recovered by the battery for later use?