Toyota Motor Sales (TMS) USA introduced the 2010 Tundra full-size pickup truck and an all-new 4.6-liter V8 engine at the 2009 Chicago Auto Show.
The new 4.6-liter V8 engine will be available on all 2010 model year Tundra models. The new V8 delivers 310 hp (231 kW) of power and 327 lb-ft (443 Nm) of torque and has preliminary fuel efficiency estimates of 15 mpg city and 20 mpg on the highway. Like Tundra’s optional 5.7-liter V8 engine, the new 4.6-liter V8 will be mated with a six-speed automatic transmission.
By comparison, the entry-level V8 on the 2009 Tundra is a 276 hp (206 kW) 4.7L unit with an EPA rating of 14/17 mpg US city/hwy. The 2009 Tundra also offers a 236 hp (176 kW) V6 unit with a 15/19 mpg US city/hwy rating.
The 4.6L V8 features a 32-valve DOHC aluminum alloy head with dual VVT-i. Bore and Stroke is 3.70 x 3.27 cubic inches, and compression ratio is 10.2:1. The engine has a ULEV II emissions certification.
Pricing for the 2010 Tundra will be announced closer to its launch in April.