2025 Toyota 4Runner new engine

Here’s everything you need to know about the new 2025 Toyota 4Runner engines, featuring two all-new powertrains that mark a significant shift from the previous V6:
🚘 Engine Options
1. Standard i-FORCE 2.4 L Turbocharged I‑4
- Power: 278 hp
- Torque: 317 lb‑ft (430 Nm)
- Transmission: 8-speed automatic
- Fuel efficiency: ~26 mpg highway (better than outgoing 4.0 L V6)
- Availability: Standard on SR5, TRD Sport, TRD Sport Premium, TRD Off‑Road, and Limited trims (marketwatch.com, caranddriver.com, autoweek.com, pressroom.toyota.com)
2. i-FORCE MAX Hybrid (2.4 L Turbo + 48 hp Electric)
- Combined Power: 326 hp
- Torque: 465 lb‑ft (630 Nm)
- Battery: 1.87 kWh NiMH pack
- Transmission: 8-speed “Direct Shift” automatic with integrated electric motor
- Availability: Optional on Limited and TRD Off‑Road; standard on TRD Pro, Trailhunter, and Platinum trims (pressroom.toyota.com, motortrend.com, blog.beforward.jp)
🔧 Highlights & Comparisons
- Displaces the old 4.0 L V6 (270 hp, 278 lb‑ft) with a two-cylinder-smaller engine offering significantly more torque at lower RPMs (1,700 rpm vs ~4,400 rpm)
- Towing capacity increases to 6,000 lb, up from 5,000 lb (marketwatch.com)
- Powertrain pairing: Both engines use the modern 8‑speed automatic, replacing the older 5‑speed (caranddriver.com)
- Fuel economy estimate: 21 mpg combined for 2.4 L, 22–23 mpg for the hybrid (caranddriver.com)
🛡️ Trim-by-Trim Availability
Trim Level | Engine Type |
---|---|
SR5, TRD Sport | Standard 2.4 L Turbo |
TRD Off‑Road, Limited | 2.4 L Turbo or Hybrid |
TRD Pro, Trailhunter, Platinum | Hybrid standard |
(marketwatch.com, motortrend.com)
🗣️ Community Insights
Toyota fans have expressed guarded optimism:
“The new 4‑cyl Hybrid Turbos … are insane. … It’s not in the same league as the old V6.” (reddit.com)
Concerns include:
“Turbos are more complex and expensive to fix … need time for refinements.” (reddit.com)
📌 Summary
- New engine lineup: A turbocharged 2.4 L inline‑4 and its upgraded Hybrid MAX version replace the outgoing V6.
- Performance gains: More horsepower/torque, better efficiency, modern transmission, stronger towing.
- Hybrid MAX offers the strongest performance ever in a 4Runner.
- Vehicle capability remains rugged, pairing power with improved fuel economy and towing strength.
2025 Toyota 4Runner PDF