2010 Toyota Tundra 4.6 V8 - Car and Driver
Case in point: Today’s big, porky full-size Toyota Tundra pickup is offered with a choice between a V-6 or one of two V-8s. But only the most powerful of them—a rip-snortin’, stump-pullin’ 381-hp, 401-lb-ft, 5. 7-liter V-8 capable of hustling the... And the introduction of a new mid-grade V-8 for the 2010 Tundra, adding equal helpings of power and efficiency, couldn’t come at a better time. Producing 310 hp and 327 lb-ft of torque, the new 4. 6-liter mill replaces last year’s middle-child 4. 7-liter V-8, which made 276 hp and 313 lb-ft. Whereas the power gains are appreciable, the engine is a descendant of the 4. 6-liter mill that powers the Lexus LS460 and GS460 and can make up to a whopping 380 hp and 367 lb-ft. Although it seems counterintuitive to weaken an engine that is destined for use in, of all things, a full-size pickup, the resultant output figures place it right where it needs to be in the Tundra engine lineup: splitting the difference between... Among the numerous efficiency gains made under the hood, as well as the fitment of a six-speed automatic transmission (replacing last year’s five-speed), the mid-grade Tundra engine boasts impressive fuel economy, too—the company estimates that up... Source: www.caranddriver.com
