The Bottom Line: With its power and high-tech handling, the 2013 BMW M5's potential feels wasted on public roads, yet its driver-assistance and cabin-tech systems are the best in the business for road trips and daily commutes. Read review
Specs: Sedan, Base, Gas
The Bottom Line: With a powerful yet efficient engine and high-tech suspension, the pricey 2012 Porsche Panamera Turbo S delivers near-supercar performance, but the cabin electronics fall short of cutting-edge. Read review
Specs: Sedan, Gas
The Bottom Line: The 2009 BMW 750Li delivers impressive tech features on all fronts, helping justify its high price. It offers the best cabin tech package among its competitors. Read review
Specs: Sedan, 750Li, Gas
The Bottom Line: The 2010 Mercedes-Benz S400 Hybrid bundles a wide array of very useful tech, and its hybrid system helps the car avoid the gas guzzler tax. Read review
Specs: Sedan, Hybrid
The Bottom Line: CNET takes on the onerous job of driving and riding in the 2012 Bentley Mulsanne, a flagship sedan with iPads for the rear-seat passengers. Read review
The Bottom Line: The 2011 Jaguar XJ Supersport embodies a high degree of luxury, aided by a stellar audio system. Performance tech makes it a fun car to drive, but it has its limits. Read review
The Bottom Line: A big, luxury cruiser, the 2010 BMW 750i xDrive won't satisfy sport urges, but will get you home in comfort. Read review
The Bottom Line: Although a tech powerhouse, in some ways the hybrid system in the 2011 BMW ActiveHybrid 7 feels like a novelty. It adds power and fuel efficiency, but also adds quirks to everyday driving. Cutting-edge cabin tech features are available in all 7-series models. Read review
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