We’ve driven the standard 4.7L V-8 in the past, and it’s no slouch, but the 5.7L shows how far engine technology has progressed at Toyota in just a few years. It’s revealing that the bigger, cleaner, more powerful 5.7 V8 also gets better mileage.

To be fair, a good part of the mileage improvement is due to the six-speed electronically controlled transmission that comes with the optional 5.7L engine. Like the standard five-speed automatic, it’s controlled by a shifter that allows sequential shifting, and has a lock-up torque converter for better towing efficiency and heat control. With the six-speed, there is a Tow/Haul mode that changes the shift points for heavy loads and long, uphill grades.

Just like the Tundra, the Sequoia has a two-speed transfer case with 2.6:1 low range. We found Low range easy to get in and out of, even on ground that was not perfectly level. And enhanced gearing seemed low enough, given the 275/65 tires, that the Sequoia could crawl at speeds low enough to slog up very steep terrain. Also like the Tundra, the front and rear differentials are larger than previous versions of this platform. The lowest available gear set is 4.3:1, which comes with the towing package.

The new Sequoia has the towing capabilities of a 3/4-ton pickup. It can tow up to 10,000 pounds, compared to 6500 pounds for the previous model. A seven-pin connector and a standard four-pin connector are set up and ready to use, and there is a pre-wired brake controller connector under the dash, similar to the Tundra. The Max Gross Combined Weight Rating, the total permissible weight of vehicle and trailer, is now 16,000 pounds.

The brakes are also consistent with the 3/4-ton capability. Very large discs are mounted on all four corners. In use, the brakes feel reasonably gradual, with some forgiveness at the top of the pedal and very strong response as foot pressure is increased.

The brakes are enhanced by ABS (an anti-lock brake system) and Electronic Brake Force Distribution (EBD), the latter of which keeps all four brakes accurately proportioned if road surfaces get slippery, assuring straighter stops and better control. There is also electronic Brake Assist, which reduces stopping distances in panic situations. These are all useful and necessary features for a modern SUV, particularly one that might be towing a boat or RV.

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