UK Version Prius Plugin 283MPG? - how please?

Simply due to different test parameters? I mean, if you're trips are short enough and you're always able to recharge, the only time the engine would run would have to run is if the programing requires it to avoid stale gas.

 

Why is this so hard to believe ?
The car is a PLUG IN MODEL.
That means if all your trips are of a shorter distance than the maximum battery range, you will use virtually NO GAS.

On longer trips I suspect the actual fuel mileage would approach other Prius models.
That probably has been discussed and reported on here already.

 

It's pretty much baloney, but also true!
First of all, the Prius Prime sold in the U.S. in 2017 has a rated 11.4 gallon (U.S.) capacity. Driving mainly in town, here in Southern California at about 40-45mph, mixed in with about 30% 55-70mph freeway driving, I just did my second fillup of 7.52 gallons after driving 2625 miles! I would charge up to 2 times per day and at night, and pay an average of about 14 cents per KW. I use a 240V rapid charger at home to fully charge in just under 2 hours. Calculating my mileage, you can see 360 MPG! Of course, you know the full truth. The beauty here is that you're running far cleaner than most other people and have a HUGE range. The gasoline-only mileage is sensational, probably in the 60-70 MPG range. I love this car!!

.

 

A great many factors will affect mileage: temperature, elevation, traffic, stops, driver enthusiasm, etc.
So it is hard to pin one single number. Actual owners report their mileage to the site fuelly.com, here we see 31 owners got an average of 79 MPG(US) (95 (UK) or 3.0 l/100km over 212,000km or 131,000 miles.

Toyota Prius Prime MPG - Actual MPG from 31 Toyota Prius Prime owners

This is no sign you will. Actual owners at fuelly show between 49 MPG and 148 MPG, quite a spread.

 

Here in the US of A you can get 640 miles on one 11.5 gallon tank of gas, 615 miles + 25 miles of EV

 

I agree with these posts but as @HPrimeAdvanced said, you can expect HV only to be in the 60-70 mpg range and as others have said there are a lot of factors. But going with 65 mpg and 1 charge you can probably go about 770 miles on 1 charge and 11.3 gallons of gas.
65*11.3+39 (your EV estimate) = 773.5 miles. Cheers!

 

If you're planning a trip from London to Manchester, about 200 miles each way, your Prius Prime Advanced (or European equivalent) could easily make that round trip with over 300 miles of reserve to explore!. If you have access to charging stations or places to charge at friend's or family's house, then you get a bonus and you don't have to get any nasty petrol. You've gotta love it!!. Bon voyage, as we say in France!

.

 

That's scary, Pepe le Prime.

 

Hey fellas, don't get too excited about the warmer weather; when I use my A/C during 80+ degree temperatures, my 35-36 EV-only value drops as much as 2+ miles. It's the law of diminishing returns!

.

 

I only use EV on my way to work for my commute. I very rarely use A/C at 5:30 AM, so bring on summer! HV in the afternoon is a different story (still can't charge up at work) If I can get to work (35.9 miles) with EV left, that will help. I did that once, 36.0 at 68°.

 

Why are you obsessing over this ? I mean really ??

Do you normally drive in areas where it is 100 km or more between gas stations ??

NO......then just watch the gas gauge......and after the first time you actually DO that down to about a quarter of a tank, you will have established what the number IS.......assuming that you reset a trip ODO or note your mileage when starting out of course.

 

Hey Dad!
Are there any charge stations "near" your work? It'd be cool; I tried that to go to my son's (42 years old, little boy) soccer game where a station was indicated about 2 miles away. I figured I'd go to the station and have the kid take me back to the game in his car. Problem was, station was locked up/inaccessible to general public. These ChargePoint guys have got to get their act together, to clarify station status. The idea is still worth trying; a variation on carpooling. Any way your company can be incentivized? Also, I frequently use 12 gauge heavy duty 25' extension cord at clients' or family homes I visit, where parking access is difficult.

.

 

For the poster from the UK, the 11.5 US gallon tank on the US prime translates to just under 9.6 imperial gallons.
The US uses some unique measurements.
Does the UK Prime actually have a 15 gallon tank? That would be 18 US gallons!

 

The UK Prius Plug-In brochure actually does state, in the fine print, the Hybrid mode (charge sustaining) mileage as 83.1 mpg (combined cycle and Imperial gallons, of course). Mind you, I doubt you'd actually get that unless you're hypermiling, but that's because NEDC is a joke and inaccurate.

In any case, there's another way to get this number. European fuel consumption figures on PHEVs are a weighted composite of, I believe, the full charge depleting range, plus 25 km of charge sustaining range. Toyota's also advertising 39 miles (or about 63 km) of charge depleting range. So, we know that over 88 km, it got 282 miles per gallon, and we also know that all of that fuel was burned in 25 km. So, that's 0.1939 gallons per 25 km, or 80.1 mpg - considering the amount of error I'm working with here, that's not far off.

(To be completely pedantic, we don't know that all the fuel was used over 25 km, but for this car, I think we can safely assume that. They do two runs of the 11.023 km NEDC, one with a full battery, and one with a depleted battery. The Prime has enough power and range to not blend any ICE power on the charge depleting run.)

 

The UK site lists 45 liters
https://s3-eu-west-1.amazonaws.com/liveassets.toyotaretail.co.uk/flipbook/IE_PDF/prius-plug-in.pdf page 34

11.9 gallons, same as in US

 

To my fellow nose pickers, just to keep the record straight, Page 710 of my owner's Manuel (not Jose, Har, har), states that the gasoline tank capacity of the Prius Prime is 11.4 gals U.S., and 9.5 Imperial gals. ! No it ain't 15 gallons or 18 gallons or 11.5 gallons, blah, blah, blah!

.

 

Simple. Just ask my uncle: My Plug-in Hybrid Calculator

 

How is a US website going to explain what somebody in the UK is going to experience? There is a whole big world outside the US.