Toyota i-FORCE MAX Specs: Hybrid HP, Torque & Towing 2022-2026

i-FORCE MAX is not one engine. It is Toyota’s hybrid powertrain badge, and it means something different depending on which truck it is bolted to. In the Tundra, i-FORCE MAX is a twin-turbo V6 hybrid.

In the Tacoma, it is a turbo four-cylinder hybrid with about a third less horsepower. Shoppers who compare spec sheets across both trucks often assume the numbers carry over, and they do not.

This guide breaks down the exact i-FORCE MAX specs for both the Tundra and the Tacoma, including horsepower, torque, towing capacity, payload, and where the hybrid actually loses ground to the standard gas engine.

Toyota Tundra i-FORCE MAX Engine Specs 2022 to 2026

The Tundra’s i-FORCE MAX pairs a 3.4L twin-turbo V6 with an electric motor mounted inside the 10-speed automatic transmission. Toyota rates the combined output at 437 horsepower at 5,200 rpm and 583 lb-ft of torque at 2,400 rpm, making it the most powerful engine in the Tundra lineup.

The hybrid battery is a compact pack tucked under the rear seat, and the motor sits between the engine and transmission rather than powering a separate axle. That layout keeps the drivetrain feeling mechanical rather than like a CVT-based hybrid.

Trim access to i-FORCE MAX has shifted across model years. For the current 2026 lineup, the SR and SR5 are only available with the standard gas i-FORCE V6. The Limited is the most affordable trim eligible for the hybrid,

with Platinum and 1794 Edition also offering it as an upgrade, while TRD Pro and Capstone come with i-FORCE MAX as standard equipment. That gating has held steady across the 2024 through 2026 model years.

Toyota Tacoma i-FORCE MAX Engine Specs 2024 to 2026

The Tacoma’s i-FORCE MAX is a completely different engine family. It pairs a 2.4L turbocharged four-cylinder with a 48-hp electric motor built into the 8-speed automatic transmission, drawing from a 1.87-kWh nickel-metal hydride battery under the rear seat.

That torque figure is a 75 percent jump over the outgoing V6-powered Tacoma, and it lands at a low 1,700 rpm, which is why the hybrid feels noticeably stronger off the line than the numbers alone suggest.

Every i-FORCE MAX Tacoma comes standard with four-wheel drive. This is not a plug-in hybrid on either truck. The battery charges itself through regenerative braking and engine load, so there is no wall charging involved.

i-FORCE MAX Towing Capacity and Payload by Truck

This is where the horsepower numbers stop telling the whole story. On the Tundra, the i-FORCE MAX hybrid actually tows less than the standard gas-only i-FORCE V6, despite having more torque.

The reason is simple. The hybrid battery and motor add several hundred pounds of curb weight, and towing capacity is calculated against a fixed Gross Combined Weight Rating. More weight in the truck means less weight available for the trailer. This tradeoff shows up on both trucks in the same direction, just at different scales.

Tundra i-FORCE MAX payload is not one fixed number. It runs from roughly 1,485 lbs on a fully loaded Capstone 4×4 up to around 1,680 lbs on lighter i-FORCE MAX configurations like a Limited CrewMax. The gas-only SR and SR5 sit well above both, topping out near 1,940 lbs.

Always confirm the exact figure for your specific truck against the Tire and Loading Information label on the driver-side door jamb, since payload shifts with 4×2 versus 4×4, cab size, bed length, and factory options even within the same trim.

i-FORCE MAX vs Standard i-FORCE Which Should You Choose

If you need the single highest towing number on either truck, the standard gas engine wins. If you want the strongest low-end pull for everyday driving, trailer backing, and off-road torque, the hybrid wins.

On the Tundra, moving up to the i-FORCE MAX hybrid on a Limited trim adds roughly $3,700 to $3,925 to the price of the truck, and the same premium applies on Platinum and 1794 Edition.

On the Tacoma, the hybrid premium is not a flat number and it shrinks as you move up the lineup. On TRD Sport, the gas trim starts near $40,115 while the i-FORCE MAX version starts near $47,035, a gap of about $6,900. On TRD Off-Road, gas starts near $42,515 versus roughly $47,335 for the hybrid, closer to a $4,800 gap.

On Limited, where the hybrid content overlaps more with what the gas trim already includes, the gap narrows to around $3,300, with gas starting near $53,270 and i-FORCE MAX near $56,595. In short, the hybrid costs the most extra on lower Tacoma trims and the least extra on higher ones.

For most buyers who tow occasionally and want the truck to feel stronger in daily driving, the hybrid is worth the premium. For buyers who regularly haul near the top of the weight range, such as larger travel trailers or car haulers, the standard gas engine’s higher ceiling matters more than the extra torque.

Toyota Tacoma Towing Package and i-FORCE MAX Compatibility

Every i-FORCE MAX Tacoma trim comes with four-wheel drive, but engine choice alone does not guarantee your specific truck is set up to tow at its rated maximum. Tow package equipment, hitch class, and wiring differ by build sheet even within the same trim. If you already own a Tacoma and are not sure what you are working with, it is worth confirming whether your Tacoma actually has a factory tow package before you hook up a trailer near the rated limit.

i-FORCE MAX Specs Compared Across Tundra and Tacoma

The i-FORCE MAX badge covers two very different engines. On the Tundra, it means a 437 hp, 583 lb-ft twin-turbo V6 hybrid that tows up to 11,450 lbs, slightly less than the standard gas V6’s 12,000-lb ceiling. On the Tacoma, it means a 326 hp, 465 lb-ft turbo four-cylinder hybrid that tows up to 6,000 lbs, also a step below the gas-only Tacoma’s 6,500-lb max.

In both trucks, the hybrid trades a bit of towing headroom for stronger low-end torque and better fuel economy. If you are weighing an i-FORCE MAX Tacoma purchase and want to see what else is worth upgrading once you own it, our Toyota Tacoma upgrades guide is a good next stop.

Frequently Asked Questions

What does i-FORCE MAX mean on a Toyota truck?

i-FORCE MAX is Toyota’s hybrid powertrain badge, used on both the Tundra and Tacoma. It pairs a turbocharged gas engine with an electric motor built into the transmission, but the engine size and output differ completely between the two trucks.

Is the Tundra i-FORCE MAX the same engine as the Tacoma i-FORCE MAX?

No. The Tundra uses a 3.4L twin-turbo V6 hybrid making 437 hp and 583 lb-ft. The Tacoma uses a 2.4L turbo four-cylinder hybrid making 326 hp and 465 lb-ft. They share a name and hybrid layout, not an engine.

Does the i-FORCE MAX Tundra tow more than the standard i-FORCE Tundra?

No. The standard gas-only i-FORCE V6 tops out at 12,000 lbs, while the i-FORCE MAX hybrid maxes at 11,450 lbs. The added hybrid weight reduces the towing ceiling despite the hybrid having more torque.

What is the towing capacity of the Tacoma i-FORCE MAX?

The Tacoma i-FORCE MAX tows up to 6,000 lbs. The standard gas-only Tacoma on SR5 and TRD PreRunner trims tows up to 6,500 lbs, making the hybrid the lower-towing option here as well.

Is the i-FORCE MAX a plug-in hybrid?

No. Both the Tundra and Tacoma i-FORCE MAX systems are self-charging parallel hybrids. The battery charges through regenerative braking and engine operation, and neither truck needs to be plugged in. For accessory ideas once you know your exact spec, see our Toyota Tacoma accessories guide.