i-FORCE vs i-FORCE MAX: Which 2025 Toyota Tundra Engine is Right for You?
When choosing a 2025 Toyota Tundra, one of the biggest decisions you’ll face is whether to go with the standard i-FORCE gas engine or upgrade to the i-FORCE MAX hybrid powertrain. Both use the same 3.4L twin-turbocharged V6, but deliver distinct performance characteristics, towing capabilities, and fuel efficiency. This guide will help you understand the key differences and decide which option fits your needs in Washington Court House or wherever the road takes you.
What is the i-FORCE Engine? |
What is the i-FORCE MAX Hybrid? |
|---|---|
| The i-FORCE engine is the standard powertrain for most 2025 Tundra models. It’s a 3.4L twin-turbo V6 that replaces the outgoing V8, offering better fuel economy without sacrificing muscle. | The i-FORCE MAX adds an electric motor between the engine and transmission, boosting total output to 437 hp and 583 lb-ft of torque. While technically a hybrid, it’s designed more for performance and capability than fuel savings alone. |
Tundra Engine Specs at a Glance
| Engine | Horsepower | Torque (lb-ft) | Transmission | Towing (Max lbs) | MPG (Est.) | Drivetrain |
|---|---|---|---|---|---|---|
| i-FORCE V6 | 389 hp | 479 lb-ft | 10-speed auto | 12,000 | 20 (4x2) | 4x2 or 4x4 |
| i-FORCE MAX | 437 hp | 583 lb-ft | 10-speed auto | 11,450 | 22 (4x2) | 4x2 or 4x4 |
While both engines deliver power through a 10-speed automatic transmission, the hybrid setup adds low-end torque and smoother acceleration — especially noticeable when towing or navigating stop-and-go traffic.
i-FORCE vs i-FORCE MAX: Which One Tows More?
If pure towing numbers matter most, i-FORCE gas engine is king — offering up to 12,000 lbs of towing capacity. The hybrid's added weight shaves off a few hundred pounds, with i-FORCE MAX topping out at 11,450 lbs.
However, the hybrid’s instant torque makes towing feel easier, especially at low speeds or when merging on the highway.
Want the full towing chart? Read our guide: Tundra Towing Capacity by Trim & Drivetrain
Fuel Economy: Hybrid vs Gas Tundra
| i-FORCE | Drivetrain | MPG (City/Hwy/Combined) |
|---|---|---|
| i-FORCE | 4x2 | 18 / 23 / 20 |
| i-FORCE | 4x4 | 17 / 22 / 19 |
| i-FORCE MAX | 4x2 Hybrid | 20 / 24 / 22 |
| i-FORCE MAX | 4x4 Hybrid | 19 / 22 / 21 |
The hybrid is more efficient — particularly in stop-and-go traffic or for commuters logging serious mileage.
Which Trims Offer Each Engine?
| Trim | i-FORCE (Gas) | i-FORCE MAX (Hybrid) |
|---|---|---|
| SR | Yes | No |
| SR5 | Yes | No |
| Limited | Yes | Optional |
| Platinum | Yes | Optional |
| 1794 Edition | Yes | Optional |
| TRD Pro | No | Standard |
| Capstone | No | Standard |
There’s no separate “Tundra Hybrid” model — i-FORCE MAX is a powertrain upgrade available on mid to upper trims.
Gas or Hybrid: Which Tundra Engine Should You Choose?
- Go i-FORCE if you want maximum tow rating and a simpler setup
- Go i-FORCE MAX if you want more torque, better MPG, and smoother towing performance
- Off-roaders should look at the TRD Pro with hybrid
- Luxury haulers will love Capstone’s refined cabin and electric boost
Test Drive a Tundra in Washington Court House
Whether you’re leaning toward the traditional gas setup or ready to experience the hybrid advantage, you’ll find both engine options at svgtoyota.com. Stop by our showroom in Washington Court House to test drive your perfect Tundra — and see which powertrain pulls ahead for your needs.
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