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2022 Toyota Tundra: V8 replaced by twin-turbo V6, hybrid

  • Magazine Article
  • 21AUTP10_10
Published October 01, 2021 by SAE International in United States
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  • English

The voice of the customer was clearly heard during Toyota's development of the all-new, third-generation Tundra pickup. “We had multiple focus groups early on to hear directly from them. And from a powertrain perspective, torque, power and efficiency were important points,” said Mike Sweers, senior VP, Product Development Offic, and Global Truck Chief Engineer, Toyota North America.

Sweers' team chose a pair of 3.5-L twin-turbocharged-and-intercooled gasoline V6s to replace the 5.7-L V8 that was the 2021 Tundra's lone engine choice. Each of the V6s generate more power than the outgoing V8, which was rated at 381 hp at 5600 rpm and 401 lb-ft (544 Nm) at 3600 rpm and mated to a 6-speed automatic transmission. By comparison, the 2022 Tundra's i-Force V6 delivers a preliminarily estimated 389 hp and 479 lb-ft (649 Nm). The i-Force Max V6, which introduces a parallel-hybrid system, more than adequately fills in for the V8: it offers an estimated 437 hp at 5200 rpm and 583 lb-ft (790 Nm) at 2400 rpm. The engines mate to an Aisin-engineered 10-speed automatic transmission.