Hybrid Fuel Savings vs Battery Replacement Cost (With Inflation Adjustment)

[deanobc]

Even more fun is that I will likely sell the truck when the extended warranty expires in ten years, and before the battery gets replaced.

Exactly. Next there will be posters comparing the cost of replacing an ICE Ecoboost, just in case it blows up and needs replacing. Sorry, but is this forum turning into a troll site? Every minute of the day, I could probably come up with a "what if" or "wonder what would happen if" scenario. I drove a 2019 Kia Niro Hybrid for 200k kms (125k miles) without having to "buy a battery." I sold it and bought my MY25 Mav Lariat Hybrid. I'll enjoy my Maverick and won't worry about the cost of a battery.

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[Benilla]

MaverickGladiator

I appreciate the time you took to bring forth this data. You're working with the best data that you can and estimating the numbers for a worst case scenario. I don't know why that is so hard to understand for some people. These are estimates based on a crystal ball but I'm glad someone actually put in the work to give us this scenario. My guess is gas will probably will be more expensive and batteries will probably be cheaper in 10 years

I wonder what it would be like to drive the hybrid with a bad battery because then you'd just be left with the NA engine.. which still would be more fuel efficient that the turbo ecoboost, no?

 

[MaverickGladiator]

MaverickGladiator

I appreciate the time you took to bring forth this data. You're working with the best data that you can and estimating the numbers for a worst case scenario. I don't know why that is so hard to understand for some people. These are estimates based on a crystal ball but I'm glad someone actually put in the work to give us this scenario. My guess is gas will probably will be more expensive and batteries will probably be cheaper in 10 years

I wonder what it would be like to drive the hybrid with a bad battery because then you'd just be left with the NA engine.. which still would be more fuel efficient that the turbo ecoboost, no?

It is hard to understand for some people because it is human nature to get emotionally attached to things they have invested in. It is difficult for some to separate "feelings" from logic or facts. Additionally, everyone has different driving styles that suit their lifestyles. At the end of the day, I took numbers that were tested and available, presented my case for US HYBRID owners, and tried to answer a question that I know many Hybrid owners have or will think about.

Do you change vehicles every 5-10 years? If so, then do you. I get that use case. The purpose of this thread does not apply to you, but to consider this thread as "trolling"?

Anyways, from a personal perspective, I hope to keep this truck long term. Just as I have decided to keep my Gladiator long term. Both trucks serve different purposes... FOR ME. I definitely will not be driving my Gladiator rolling on 37s daily, but will be my first choice when we go camping, fishing, overlanding, or to beaches.

 

[Mike S]

The Op said,

“I averaged 22 MPG in my previous Jeep Trailhawk and used the EPA-rated 37 MPG for the Maverick Hybrid I replaced it with.”

Okay that makes no sense at all. A fair comparison would be to use a Eco Mav.
Then compare say 27 mpg to the Mavbrid’s 37 mpg.

I averaged closer to 26 on the winter fuel mix in cold weather with my 2024 AWD Ecoboost. I would do twenty minute warm ups about four days a week and still had a 26 mpg avg. I expect 28 mpg when things warm up.


And I got news for the masses, lithium will be an expensive rare commodity in the near future. Ten years out it may cost triple what it does today.
If not more.

It was still an interesting hypothesis.

I figured this same scenario out with a Prius when they were the new thing getting 50 to 55 mpg’s
The battery’s were $2,800 and lasting only 6 or 7 years.
The same math/ methods told me I’d break even at seven years.
But I would have to live with a gutless very low powered no fun to drive Prius.

Then I came back to reality and never spoke of me considering the Prius. Until now.
I figured if it got out that I considered the Prius I’d never get laid again.

But that’s just me.

FWIW, If there was a Bigger more powerful Gas only engine offered for the Maverick I’d have paid a couple thousand more for it in a heart beat !

And perfectly happy with a 21 mpg average.

The reality is that Lithium is a very common mineral. The cost of batteries is dropping fast.

 

[Hunters Edge]

Thanks for your input, but it seems there's been a misunderstanding.

Nowhere in my original post did I say I was comparing the AWD EcoBoost Maverick to the AWD Hybrid Maverick. In fact, I didn’t mention the Maverick EcoBoost at all. The numbers I used weren’t “pulled out of thin air”—they were based on my real-world experience. I averaged 22 MPG in my previous Jeep Trailhawk and used the EPA-rated 37 MPG for the Maverick Hybrid I replaced it with. Those numbers were used to illustrate a generalized comparison between a typical non-hybrid vehicle and a hybrid—not tailored to your specific driving habits.

This was posted in the Hybrid section of the forum and meant for hybrid owners or potential buyers thinking about long-term cost savings when comparing a hybrid to a similar ICE vehicle—not necessarily the Maverick EcoBoost specifically.

I absolutely agree that driving conditions, terrain, climate, and use cases (like towing or rural driving) will influence the actual savings. And yes, future variables like battery costs and fuel prices are impossible to predict. But as a baseline financial analysis, it’s useful to run the numbers as they stand today.

Appreciate your perspective and glad your EcoBoost is working well for your needs.

Since you are comparing the Ford Maverick hybrid to the jeep you previously owned you should also have included the Ford pass points just for buying a Ford.

A few more items should be considered though the extra cost on oil and brakes needed on the hybrid over a non hybrid model as well.

 

[icegradner]

As hybrid batteries age gas mileage deteriorates, especially beyond 5 years. Not sure how that would fit into your calculations, but it definitely works against your case.

Not that dramatically. My last car was a hybrid that was 15 years old, was still beating EPA fuel numbers with ease on the factory installed battery at 150k miles on the ODO.

A few more items should be considered though the extra cost on oil and brakes needed on the hybrid over a non hybrid model as well.

Extra cost of brakes? The hybrid uses the pads and rotors less than an ICE only vehicle. Pads could easily go 150k miles on a hybrid.

 

[DoLoJo]

Not that dramatically. My last car was a hybrid that was 15 years old, was still beating EPA fuel numbers with ease on the factory installed battery at 150k miles on the ODO.

It depends on the vehicle. My Honda Civic Hybrid averaged 52 mpg for the first year, then settled in at 47mpg in years 2-4. Year 5 dropped to 42, Year 6 dropped to 37, and it never made it to year 7. Battery died at 88,000 miles - 8,000 miles out from under warranty. All batteries degrade over time. That’s not an opinion, it is science. While you have had better experience, that performance cannot be extrapolated over to the Maverick, whose hybrid battery is unproven in long term performance.

 

[icegradner]

It depends on the vehicle. My Honda Civic Hybrid averaged 52 mpg for the first year, then settled in at 47mpg in years 2-4. Year 5 dropped to 42, Year 6 dropped to 37, and it never made it to year 7. Battery died at 88,000 miles - 8,000 miles out from under warranty. All batteries degrade over time. That’s not an opinion, it is science. While you have had better experience, that performance cannot be extrapolated over to the Maverick, whose hybrid battery is unproven in long term performance.

Honda does not make the best hybrids, this is well known. My Maverick is almost 3 years old, no drop in MPG in normal driving whatsoever. My 15 year old Camry Hybrid only started to drop off during the last 4-5 months I owned it. A good hybrid battery system has a reserve system that cycles bad cells out allowing you to maintain performance for a long time.

 

[surfstar]

The battery doesn't magically die at 10 years or a certain mileage.
That's like saying an engine is only good for the power train warranty.

So many assumptions leads to an incredibly flawed analysis. But good for pages of arguing online.

 

[Raymundo76]

This analysis compares the long-term fuel cost savings of a hybrid vehicle versus a conventional gasoline vehicle,
while also accounting for the cost of replacing the hybrid's high voltage battery (HVB) after 10 years.
The goal is to determine whether the hybrid's fuel savings justify the eventual battery replacement cost.

Scenario:
We're comparing two similar vehicles that are equivalent in size, utility, and features, including fuel tank size. The only major difference between them is their powertrain (gasoline vs hybrid).

Assumptions:
- The conventional ICE vehicle averages 22 miles per gallon (MPG).
- The Ford Maverick hybrid averages 37 MPG.
- Both vehicles are driven 13,000 miles per year.
- Fuel costs $3.00 per gallon.
- The hybrid's high voltage battery is expected to be replaced in year 10 at a total cost of $5,000 (parts + labor).
- We apply a 3% annual discount rate to adjust for inflation and calculate the present value (PV) of fuel savings.

Annual Fuel Savings:
At $3.00/gallon, the driver of the hybrid saves approximately $718.68 per year compared to the gasoline-only vehicle.

Present Value of 10 Years of Fuel Savings:
Using a 3% discount rate, we compute the present value of receiving $718.68 in fuel savings each year for 10 years:
=> PV = $6130.49

High Voltage Battery Replacement Cost in Year 10:
=> $5000.00

Net Present Value (NPV) of Fuel Savings after Battery Replacement:
=> NPV = $1130.49

Conclusion:
Despite the $5,000 cost to replace the hybrid battery in year 10, the hybrid still comes out ahead financially.
Even after adjusting for inflation, the present value of fuel savings over 10 years exceeds the cost of the battery.
This means that over a 10-year ownership period, the hybrid provides a clear economic advantage without requiring you to own it beyond that point just to break even.

This analysis supports the idea that hybrid vehicles can be cost-effective long-term, even when accounting for major maintenance costs like battery replacement, provided that the vehicle is otherwise similar in cost and utility.

Edit:
I understand that everyone wants to justify their purchase—it's a natural emotional response. My goal here isn’t to criticize anyone’s decision, but simply to look at the long-term costs objectively using tangible numbers based on real-world fuel usage, EPA estimates, and inflation-adjusted calculations.

If you're looking for a direct comparison between the Maverick EcoBoost and Hybrid models, see Post #10 for the detailed breakdown.

my gas costs more than $3.00 and I get better MPG: therefore should be even better; thanks for the calc

 

[HeyBales]

This analysis compares the long-term fuel cost savings of a hybrid vehicle versus a conventional gasoline vehicle,
while also accounting for the cost of replacing the hybrid's high voltage battery (HVB) after 10 years.
The goal is to determine whether the hybrid's fuel savings justify the eventual battery replacement cost.

Scenario:
We're comparing two similar vehicles that are equivalent in size, utility, and features, including fuel tank size. The only major difference between them is their powertrain (gasoline vs hybrid).

Assumptions:
- The conventional ICE vehicle averages 22 miles per gallon (MPG).
- The Ford Maverick hybrid averages 37 MPG.
- Both vehicles are driven 13,000 miles per year.
- Fuel costs $3.00 per gallon.
- The hybrid's high voltage battery is expected to be replaced in year 10 at a total cost of $5,000 (parts + labor).
- We apply a 3% annual discount rate to adjust for inflation and calculate the present value (PV) of fuel savings.

Annual Fuel Savings:
At $3.00/gallon, the driver of the hybrid saves approximately $718.68 per year compared to the gasoline-only vehicle.

Present Value of 10 Years of Fuel Savings:
Using a 3% discount rate, we compute the present value of receiving $718.68 in fuel savings each year for 10 years:
=> PV = $6130.49

High Voltage Battery Replacement Cost in Year 10:
=> $5000.00

Net Present Value (NPV) of Fuel Savings after Battery Replacement:
=> NPV = $1130.49

Conclusion:
Despite the $5,000 cost to replace the hybrid battery in year 10, the hybrid still comes out ahead financially.
Even after adjusting for inflation, the present value of fuel savings over 10 years exceeds the cost of the battery.
This means that over a 10-year ownership period, the hybrid provides a clear economic advantage without requiring you to own it beyond that point just to break even.

This analysis supports the idea that hybrid vehicles can be cost-effective long-term, even when accounting for major maintenance costs like battery replacement, provided that the vehicle is otherwise similar in cost and utility.

Edit:
I understand that everyone wants to justify their purchase—it's a natural emotional response. My goal here isn’t to criticize anyone’s decision, but simply to look at the long-term costs objectively using tangible numbers based on real-world fuel usage, EPA estimates, and inflation-adjusted calculations.

If you're looking for a direct comparison between the Maverick EcoBoost and Hybrid models, see Post #10 for the detailed breakdown.

Don't forget to add in the likely increased annual cost of the hybrid property tax or registration - as more and more localities are trying to figure out how to make up for reduced gas taxes for roads that are being hammered by even heavier vehicles now.

 

[mcluvin]

I drive my vehicles as long as I can. When they get up there in age, I don't install anything new that is expensive. I'll be off to the salvage yard for that battery and probably do it myself.

 

[HeyBales]

MaverickGladiator

I appreciate the time you took to bring forth this data. You're working with the best data that you can and estimating the numbers for a worst case scenario. I don't know why that is so hard to understand for some people. These are estimates based on a crystal ball but I'm glad someone actually put in the work to give us this scenario. My guess is gas will probably will be more expensive and batteries will probably be cheaper in 10 years

I wonder what it would be like to drive the hybrid with a bad battery because then you'd just be left with the NA engine.. which still would be more fuel efficient that the turbo ecoboost, no?

The eCVT can provide slightly better MPG just due to it - but you'd have to have a driving scenario to make it meaningful.

Now - the engine while running still provides electric power to the traction motor even if the battery couldn't take it anymore - so still extra torque.

Then again what would be the effect of several DTC's on and possibly messing with algorithms because of bad HVB charging. System might be in some sort of partial limp mode.

 

[zen_]

The air cooled NiMH battery in my Prius C was still in good shape right at 10 years / 100,000 miles. To be honest the battery replacement in that vehicle was not even a factor since there is a cottage industry of aftermarket reconditioned NiMH, or upgraded lithium batteries at pretty reasonable cost.

I expect the liquid cooled lithium battery in the Maverick to last a long time, and who knows, 7-10 years from now there may be a much more energy dense battery available quite cheap that will improve the overall performance of the hybrid system.

 

[sprubs]

too lazy to determine - was gas $3/gal for the entire hypothetical situation? I expect it will cost more in the future.

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