5 Chevrolet Tahoe Hybrid
Rounding out the five most popular hybrid SUVs is the Chevrolet Tahoe hybrid, which had sold 227 units through June. Available in either two- or four-wheel drive versions, the Tahoe hybrid is powered by a 6.0-liter V-8 engine that is rated for up to 332 hp. Its lower in-town fuel efficiency of 20 mpg is counterbalanced by 32 mpg on the highway. The Tahoe hybrid retains the classic SUV appearance of its non-hybrid counterparts; people will recognize it as a Tahoe before they see it as a hybrid.
4 Porsche Cayenne S Hybrid
Booking 294 U.S. sales through June, the Porsche Cayenne S Hybrid is the fourth most best-selling hybrid SUV in 2013. The hybrid Cayenne in all-wheel drive vehicle that can generate an impressive 380 horsepower. All that power cuts into fuel efficiency, though: Its EPA estimate mileage is 20 mpg in the city and 24 on the highway. The Cayenne, as one would expect of a Porsche, is smaller and sportier than the rest of this group, with available seating for five passengers.
3 Audi Q5 Quattro Hybrid
As of June 2013, the Audi Q5 Quattro hybrid had sold 524 units. The Q5 is a four-wheel drive vehicle with a 2.1-liter TFSI—turbo fuel stratified injection—engine rated at 245 horsepower. In the city, the Q5 hybrid gets 24 mpg; on the highway, 30 mpg. When it comes to design, the Audi Q5 Quattro hybrid boasts a slim, modern profile but retains some elements to remind drivers, as well as pedestrians, that it’s still an SUV.
2 Toyota Highlander Hybrid
The second most popular hybrid SUV is the Toyota Highlander hybrid. As of June 2013, 2,960 of these hybrids were sold in the U.S. The Highlander Hybrid runs on all-wheel drive and boasts a 3.5-liter V-6 engine rated at 280 horsepower. This SUV has an EPA fuel efficiency rating of 28 mpg, both in the city and on the highway, and offers seating for seven.
1 Lexus RX 400/450h
The top-selling hybrid SUVs in the U.S. are currently the Lexus RX 400h/450h models. As of June, they racked up 4,898 sales in the U.S. The Lexus RX hybrid models operate on all-wheel drive and get an EPA-estimated 28 mpg on highways and 32 mpg in cities. They can be driven in gas-only or electricity-only modes, as well as a true hybrid mode. In electricity-only mode, the RX has a comparatively limited range.