How Much Extra Gas Money You’ll Spend Over 5 Years With The Toyota 4Runner Hybrid

The all-new-generation Toyota 4Runner is set to arrive at American dealerships in the coming months and, for the first time ever, it will be available with a gasoline-electric hybrid powertrain. It’s admittedly one of the Japanese brand’s MHEV systems, so you won’t be getting the benefits of its conventional hybrid technology, but it’s still a noteworthy step for the iconic

off-roading-focused SUV
. Toyota has been aggressively leaning into hybridization, with the U.S. being a key market. Its conventional ICEs continue to sit at the top of its sales charts, but the gap between its hybrid alternatives shortens every year.

The appeal of having an MHEV system in a 4Runner means that you will get to benefit from better performance and efficiency. The big question on everyone’s mind is just how much you’ll be saving on fuel if you opt for this downsized and electrified SUV option. There’s no exact answer for this, because this depends entirely on your individual driving style and habits, but there are resources and formulas that we can use to reveal an estimation of just of efficient the new MHEV is when compared to the rest of the automotive landscape as well as the

previous-generation model
.

In order to give you the most up-to-date and accurate information possible, the data used to compile this article was sourced from Toyota’s websites and other authoritative sources, including the EPA and Consumer Reports.

The 4Runner Hybrid Will Cost You $2,000 More In Fuel Over Five Years Compared To An Average New Vehicle

Despite being available in the U.S. for a good few months, the EPA is yet to reveal its full test results for the

2025 Toyota 4Runner i-Force Max
. This means we don’t have an official figure for how much you’ll save on fuel over the course of five years, but we can calculate this figure based on the brand’s claimed 23 MPG combined fuel consumption figure. According to the EPA’s calculations, this would equate to a five-year gasoline surplus cost expenditure of $2,000 and a $2,050 annual fuel cost. It will also cost you around $3.38 to drive 25 miles and $57 to fill up the 19-gallon tank. While this is a big figure, it’s much better than the previous-generation 4.0-liter V-6’s $5,500 result, marking a noteworthy improvement for the 4Runner.

The EPA calculates fuel cost over five years by estimating the total fuel expense for a vehicle based on standard driving assumptions and comparing it to the average new vehicle (which is 28 MPG), so the figure is more of a guideline. The agency assumes an annual mileage of 15,000 miles and uses national average fuel prices from recent data. It multiplies the vehicle’s EPA-rated fuel economy by the fuel cost per gallon to determine annual fuel expenses. The five-year fuel cost projection is the sum of these yearly estimates. The EPA then establishes a benchmark using the average fuel economy of all new models sold in a given year to compare a specific vehicle with the average new vehicle. If a car has lower fuel efficiency, its five-year fuel cost will be higher than the average, which is what we are highly likely to see when it releases its results for the

4Runner MHEV
.

Toyota’s Powerful i-Force Max Powertrain

The 4Runner i-Force Max consists of Toyota’s twin-scroll turbocharged 2.4-liter four-cylinder engine and single permanent-magnet motor, which is the same as what you would find in the flagship

Grand Highlander
or Land Cruiser.

This is an MHEV parallel hybrid system, including an electric motor that generates 48 horsepower and 184 pound-feet to all four wheels via an eight-speed automatic transmission. The system sources energy from a 288-volt Nickel-Metal Hydride battery pack. In isolation, the powertrain produces 326 horsepower and 465 pound-feet, but if you opt for the Trailhunter, the former figure declines to 323 horsepower. This configuration explains why it isn’t the most fuel efficient model, as MHEV systems merely take the load off the ICE during inactivity, which doesn’t have as noteworthy of an effect on overall long-term fuel efficiency.

2025 Toyota 4Runner Hybrid Performance Specifications

This is a relatively new model, so Toyota is yet to release some of the official specifications. What we do know is that

it will tow up to 6,000 pounds
. Toyota claims that it will consume 23/24/23 MPG on the city/highway/combined cycle, which we’ll admit isn’t too impressive for an HEV. It is pretty much in line with the Tacoma i-Force Max’s EPA estimations. Experts suggest that we can expect it to cover a 0-60 MPH sprint in anywhere between 7.45 and 7.8 seconds, based on the brand’s existing models that feature this drivetrain’s state-of-tune.

The 4Runner is likely to perform better than this thanks to it being somewhat lighter. Again, this is a brand-new model, so there isn’t a lot of data available, but Consumer Reports does indicate that you can expect a 78/100 predicted reliability and 4/5 predicted owner satisfaction mark.

How Much A 2025 Toyota 4Runner iForce-MAX Costs

Toyota offers the 4Runner i-Force Max in six different trims, starting with the TRD at $51,990. The Premium follows this with a $57,770 starting price, while the Limited sits right above this at $60,200. The Platinum, TRD Pro, and Trailhunter sit at the top of the range, priced at $62,860 and $66,990, respectively, with the two top trims bearing the same starting price.

If you

opt for the base TRD
, you get to enjoy 18-inch alloy wheels with 33-inch all-terrain tires, Bilstein monotube shocks with remote reservoirs, chrome tri-bar grille, chrome accents and color-keyed overfenders, a 2,400-Watt AC power supply, fixed running boards, Multi-Terrain Select with Crawl Control drive modes, and an electronically controlled locking rear differential.

2025 Toyota 4Runner Hybrid Pricing Breakdown

The TRD Off-Road Premium is fairly similar, but you get to enjoy SofTex seat upholstery with heating and ventilation for the front row. Joining this is the larger 14-inch infotainment system and 14-speaker JB audio system, a heated leather steering wheel, and a Multi-Terrain Monitor with selectable front, side or rear views. This trim also gives you access to the $850 sunroof and $400 Tow Tech package, which includes a digital rearview mirror, Integrated Trailer Brake Controller, and a Trailer Backup Guide with Straight Path Assist.

If you want the

4Runner
that’s a bit more urban-friendly, the Limited and Platinum trims should appeal to you a bit more. The former comes standard with 20-inch machined-finished alloy wheels, leather upholstery, and all the standard features that you’ll find in the TRD Premium model. You also benefit from adaptive variable suspension, a panoramic view monitor, and the sunroof as standard.

Upgrading to the Platinum derivative gets you a set of 20-inch gloss-black painted alloy wheels, premium leather upholstery with custom perforation and stitching, dark chrome tri-bar grille, gloss-black accents and color-keyed overfenders, heating for the rear seats, a head-up display, and a digital rearview mirror. You also get to enjoy the convenience of rain-sensing automatic wipers.

Understanding Toyota’s i-Force Max MHEV technology

Toyota’s 2.4-liter i-Force Max engine combines the benefits of turbocharging and hybrid assistance to achieve impressive efficiency and performance benchmarks. The Japanese brand’s T24A-FTS 2.4-liter four-cylinder features a single twin-scroll turbocharger that optimizes airflow to reduce lag and improve power delivery. The electric motor sits within the eight-speed automatic transmission, and takes charge of the low-end torque for better acceleration and stronger towing performance.

A compact battery gathers energy via regenerative braking to provide an instant electric boost for short periods without requiring an external charging system. Other key features of the powertrain include a water-cooled intercooler system to maintain optimal intake temperatures, as well as improve durability and efficiency when subject to heavy load driving conditions. Toyota maintains its usage of a high-strength cylinder block, lightweight pistons, and precision cooling channels to reduce friction and enhance reliability.

Opting for an MHEV system
means that the drivetrain benefits from smoother gear transitions and optimized fuel usage, making it more efficient than traditional turbo engines.

Mild Hybrids Are Much Less Complex

Mild-hybrid drivetrains
take on a much less complex approach to vehicle electrification by combining a traditional internal combustion engine with a small electric motor, typically located in the transmission housing and connected to a relatively small battery pack. Unlike full hybrids, mild hybrids cannot propel the vehicle solely on electric power. Instead, the electric motor primarily serves to assist the engine, particularly during acceleration and start-stop situations.

Think of it as more of an electrical supplementary system. The electric motor in a mild hybrid system provides an extra boost of power when the driver accelerates, reducing the strain on the gasoline engine. This assistance translates to improved fuel economy and reduced emissions. Additionally, mild hybrids typically feature an enhanced start-stop system that shuts off the engine when the vehicle comes to a stop, such as at a traffic light, and seamlessly restarts it when needed. This further contributes to fuel savings.

Regenerative braking
is another key feature of mild hybrids, although it’s not as prominent as the systems you’d find on hybrids and EVs. During deceleration, the electric motor acts as a generator, capturing energy that would otherwise be lost as heat. This energy is then stored in the battery and used to assist the engine, improving efficiency. While mild-hybrids offer less electric assistance compared to full hybrids, they provide a more affordable and accessible entry point into the world of electrification. They offer a noticeable improvement in fuel economy and emissions compared to traditional gasoline vehicles without requiring significant changes in driving habits or infrastructure.