2008 Toyota Highlander Hybrid Review

Introduction
Unlike smaller hybrid cars that offer readily apparent fuel economy benefits, the case for hybrid sport-utility vehicles is less clear-cut. On one hand, they promote wider acceptance of hybrid technology by virtue of their family-friendly packaging. As detractors are quick to point out, though, some hybrid SUVs aren't radically more fuel-efficient than their non-hybrid counterparts -- yielding benefits of the feel-good variety rather than measurable mileage gains. However, the improvements on the redesigned 2008 Toyota Highlander Hybrid are undeniable. In addition to being a larger, more flexible family vehicle than the original Highlander Hybrid, judged by the EPA's revised rating system, it's no less frugal with fuel.

If you ever read up on the previous Toyota Highlander Hybrid, the drivetrain components of the new version will seem familiar. The main power source is a 3.3-liter gasoline V6 engine, which is rated at 208 horsepower in this application. With the propulsion assistance of two electric motors, one in front and one in rear, the '08 Highlander Hybrid produces a cumulative 270 hp. A third electric motor functions as a generator and engine starter. As in the past, Toyota's hybrid SUV has what the company calls an "electronically controlled continuously variable transmission." This is not a CVT in the traditional sense and is instead a simplified power-split device that coordinates the efforts of the various power sources.

For consumers living in milder climates, the 2008 Toyota Highlander Hybrid should prove quite practical. Its available third-row seat is roomy enough for adults in a pinch, and easy-folding second-row seats make it a cinch for 6-year-olds to seat themselves without help. Alternatively, they can just walk through the center aisle, as the 40/20/40 second-row bench has an available "Center Stow" feature that allows you to fold away the center "20" section, leaving a pair of captain's chairs just like in a minivan.

Powertrains and Performance
Toyota's Highlander Hybrid uses a 208-hp 3.3-liter V6 engine in combination with three electric motors. One electric motor functions solely as a generator, recharging the SUV's nickel metal hydride battery pack, while the others concentrate on propulsion (but also work as generators during braking). Combined output is 270 hp, and with separate electric motors driving the front and rear wheels, the Highlander Hybrid is effectively a four-wheel-drive vehicle. A simplified CVT governs the contributions of the various power sources.

� Source: seriouswheels
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