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Hybrid vs Gas (Petrol) Fuel Savings Calculator
Calculate how much money you save driving a hybrid car versus a conventional petrol or gas vehicle. Compare monthly and yearly fuel savings based on your driving distance and local fuel prices.
Your numbers
Change any value — results update instantlyPreparing the calculator…
$119.31 / month
Cheapest option: Subaru Crosstrek Hybrid AWD
| Vehicle | Type | Month | Year | Per mile |
|---|---|---|---|---|
| Subaru Crosstrek Hybrid AWD | Hybrid | $119.31 | $1,431.67 | $0.119 |
| Toyota Corolla | Petrol | $125.77 | $1,509.22 | $0.126 |
monthly cost = miles ÷ efficiency × price × (1 + charging loss)
miles = 1,000
home rate = $0.1942/kWh (80% of charging)
public DC rate = $0.4700/kWh (20%)
charging loss = 10%What is included — and what is not
This is a running-cost comparison: energy and fuel only. Purchase price, finance, insurance, maintenance, depreciation, tax and incentives are all excluded, because mixing them into a monthly fuel figure is how comparisons end up misleading.
How Much Does a Hybrid Car Save on Fuel?
On average, driving a hybrid saves between $350 and $600 per year in fuel costs compared to an equivalent gasoline car over 12,000 miles (at typical fuel prices of $3.68/gallon). Because hybrid powertrains capture energy through regenerative braking and use an electric motor during stop-and-go driving, fuel savings are largest in urban city traffic.
| Comparison (Hybrid vs Gas) | Hybrid Rating | Gas Rating | Est. Annual Savings | Payback Context |
|---|---|---|---|---|
| Sedan: Toyota Camry Hybrid vs Corolla Gas | 51 MPG combined | 35 MPG combined | +$408 / year | Recovers hybrid premium in ~4–5 years |
| Compact SUV: Toyota RAV4 Hybrid vs RAV4 Gas | 39 MPG combined | 29 MPG combined | +$372 / year | Popular family commuter benchmark |
| Hatchback: Toyota Prius vs Standard Gas Car | 57 MPG combined | 32 MPG combined | +$576 / year | Highest annual fuel savings in class |
Calculating Hybrid Savings in Canada & the UK
For drivers outside the United States, fuel savings translate directly into local metric units:
- In Canada (CAD & L/100 km): A 51 MPG hybrid uses approximately 4.6 L/100 km, while a 35 MPG gas car consumes about 6.7 L/100 km. At an average Canadian retail fuel price of $1.60 CAD per litre, driving 20,000 km per year delivers approximately $670 CAD in annual fuel savings. You can convert between US MPG and L/100 km using our MPG to L/100 km converter, or view provincial energy rates on our Canada EV cost page.
- In the United Kingdom & Commonwealth (Petrol): British imperial gallons are roughly 20% larger than US gallons. Because conventional self-charging hybrids do not plug into the mains, they run purely on standard unleaded petrol — meaning no home wallbox installation or charging infrastructure is required.
Frequently asked questions
How much does a hybrid car save on fuel per year?
Based on 12,000 miles per year at US average fuel prices, a hybrid car typically saves between $350 and $600 per year compared to a similar petrol car. High-mileage and city drivers save even more.
How do I calculate hybrid fuel savings in Canada?
Canadian drivers can convert fuel economy to L/100 km: a 50 MPG hybrid consumes roughly 4.7 L/100 km versus 7.0 L/100 km for a standard gas vehicle. At $1.60 CAD per litre, this saves roughly $35 to $60 CAD per month.
Is a hybrid car worth the extra purchase price?
From a fuel-savings perspective, the typical hybrid price premium ($1,500 to $2,500) pays for itself in roughly 3 to 5 years under average driving conditions, after which all fuel savings represent pure cost reduction.
Does this calculator compare hybrid vs petrol for UK drivers?
Yes. Conventional hybrids run on standard petrol. Set your local petrol price and annual mileage in the calculator above to see your exact monthly and yearly fuel difference.
Why do hybrids save more fuel in city driving than on highways?
In stop-and-go city driving, hybrids constantly recapture kinetic energy via regenerative braking that would otherwise be lost as friction heat, and the electric motor powers low-speed acceleration without burning petrol.
Do conventional hybrids need to be plugged in?
No. Standard hybrids recharge their high-voltage battery internally using engine power and regenerative braking. If you want to plug in and charge from home electricity, see our PHEV calculator.
Other comparisons
Data sources. Vehicle efficiency: U.S. EPA / DOE fueleconomy.gov (2026 model year). Electricity prices: U.S. EIA Form 861M (residential, June 2026). Fuel prices: U.S. EIA weekly retail (week ending 2026-09-07). All figures are estimates, not quotes.