Most Fuel-Efficient Luxury Cars of 2015

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Most Fuel-Efficient Luxury Cars of 2015

Fuel-efficient cars have come a long way. Not only are mainstream hybrids and electric cars becoming more refined, but there are now more (and better) luxury options, including sedans, coupes, hatches and sports cars. These cars are more efficient than they were even a year ago. Here are the most fuel-efficient luxury vehicles on the market for 2015, based on the EPA's city/highway combined fuel economy ratings.

The diesel-powered version of BMW's iconic 3 Series provides fans of sport sedans with an alluring combination of 45 highway mpg and 280 lb-ft of torque. It's a high-performance car that's also practical.

City/highway/combined mpg: 32/45/37

The Lexus ES is known for its reliability, refinement and comfort. Opting for the hybrid version adds impressive fuel economy of 40 mpg combined, and a range of nearly 700 miles -- enough to get you from New York City to Louisville, Kentucky without having to stop at a gas station.

City/highway/combined mpg: 40/39/40

Lincoln is the only car company that offers a hybrid version for the same starting price as the gas-powered model. That makes this luxury car one of the best values on this list, and makes it even easier to get into a stylish sedan with a spacious leather cabin, while enjoying stellar efficiency.

City/highway/combined mpg: 41/39/40

Underneath the Lexus CT 200h's cool styling is one of the most reliable, proven hybrid powertrains: that of the Toyota Prius. Yet the CT 200h has a more feature-filled cabin than the Prius, and a sporty suspension too. The most efficient hybrid in the Lexus lineup is also the least expensive, a mix that appeals to younger buyers who are looking for something that's a little more fun to drive.

City/highway/combined mpg: 43/40/42

Combining a 0-60 mph time of 4.2 seconds and the ability to drive 15 miles on electricity alone, BMW's i8 is the supercar of the future. And it has the looks to match.

First 15 miles: 76 mpge* combined
Next 315 miles: 28 mpg combined

*mpge = miles per gallon equivalent

Cadillac's show-stopping coupe shares its electric motor/gas engine architecture with the Chevy Volt, and can travel for up to 37 miles on electric power alone. Factor in the 9.3-gallon gas tank, and the ELR's range allows for a nonstop ride from San Francisco to Los Angeles. There is no ELR for 2015, but the 2016 Cadillac will have a more powerful electric drive system.

First 37 miles: 82 mpge combined
Next 303 miles: 33 mpg combined Consumer Rating

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84 MPGe Combined

85 City / 82 Highway

The B-Class offers an appealing mix of Mercedes-level luxury, hatchback versatility and combined city/highway efficiency of 84 mpge.

City/highway/combined mpge: 85/82/84
Range: 87 miles

There are now five versions of Tesla's groundbreaking Model S, but the most efficient is the 70D. The Tesla's interior uses high-quality materials, and features like an all-glass panoramic roof, soft Nappa leather and a massive 17-inch touchscreen in the center serve as reminders that this is not an ordinary electric car. The all-wheel-drive 70D reaches 60 mph in 5.2 seconds and has a 140-mph top speed.

City/highway/combined mpge: 101/102/101
Range: 240 miles

BMW's i3 tops this list for the second year in a row. This electric 4-door's design is modern and fresh, and truly stands out on the road. Not only is the i3 the most fuel-efficient luxury car, it's the most fuel-efficient car, period. Adding a cure for anxiety is an available range-extending gas engine.

City/highway/combined mpge: 137/111/124
Range: 81 miles


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