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Written by John Shimkus

10.  Lincoln MKZ Hybrid

MSRP: $34,645

MPG: 41 City/ 36 Hwy

The Lincoln MKZ Hybrid is the most affordable luxury car to make our list.  Surprisingly, critics actually find the midsize MKZ’s interior to be much nicer than some comparable models put out by Lexus.  They also claim a quieter and smoother ride in the MKZ.  The car is even made of about 85 percent recyclable materials.

9.  Infiniti M Hybrid

MSRP: $53,700

MPG: 27 City/ 32 Hwy

The Infiniti M Hybrid adds a 50kW electric motor to its 3.5-liter V6 engine to offer enhanced fuel-efficiency.  Combining power with luxury, this sedan boasts 360 horsepower and features all the same interior and electronics components of its non-hybrid predecessor.  It even features regenerative brakes to recharge its batteries.

8.  Lexus GS Hybrid

MSRP: $58,950

MPG: 22 City/ 25 Hwy

The Lexus GS Hybrid is one of the most fuel-efficient hybrids in its class.  This large sedan boasts V8 power, but with much better fuel economy.  This car is Lexus’ attempt to combine performance and fuel-efficiency, so while the MPG may be lower than your average Prius, it provides unmatched acceleration in the hybrid market.

7. Cadillac Escalade Hybrid

MSRP: $74,135

MPG: 20 City/ 23 Hwy

You don’t have to be a famous rapper to recognize the iconic Cadillac Escalade, but few probably realize that there is a more fuel-efficient hybrid version on the market.  With improved mileage and reduced CO2 emissions, this full-size luxury SUV uses a 2-Mode Hybrid System and Active Fuel Management to provide power via its gasoline engine and electric motors.  It offers the best fuel economy in its class.   

6.  BMW 7-Series Hybrid

MSRP: $97,000-$101,000

MPG: 17 City/ 24 Hwy

With an eight-speed transmission and high-tech suspension, the BMW 7-Series Hybrid is another powerhouse sedan.  Its twin-turbo V8 engine is coupled with a small electric motor in its mild-hybrid system (meaning that the car cannot move on electric power alone).  Despite its power edge, the car’s MPG is somewhat low considering the hefty price tag.

5.  Mercedes-Benz ML 450 Hybrid

MSRP: $55,000

MPG: 21 City/ 24 Hwy

The Mercedes ML 450 Hybrid is the only mid-size SUV to make our list.  Its 275 horsepower V6 engine is paired with two electric motors to make it 46 percent more fuel-efficient than its non-hybrid counterparts.  The ML 450 was the first European full hybrid to be offered in the U.S.

4.  Audi A8 Hybrid

MSRP: Not Available

MPG: 37 estimate

In 2012, Audi will bring to market its A8 Hybrid, the fuel-efficient version of the company’s flagship model.  Powered by a 2.0-liter turbocharged four-cylinder engine and electric motor, the A8 Hybrid can travel at speeds of up to 62 miles per hour (100 km/h) on electric power alone. 

3.  Porsche Panamera S Hybrid

MSRP: $95,975

MPG: 22 City/ 28 Hwy

The Porsche Panamera S Hybrid is a four-door sedan that boasts a supercharged V6 gasoline engine that works in conjunction with a 47 horsepower electric motor.  The eight-speed automatic rear wheel drive car offers the sporty look of Porsche’s signature Boxster body style, but with the practicality of four doors. 

2.  Fisker Karma Plug-In Hybrid

MSRP: $95,900-$109,850

MPG: 100 estimate

The Fisker Karma is a combined cycle plug-in hybrid that uses a pair of electric motors totaling 403 horsepower.  The motors are powered by a 22kWh lithium-ion battery supplemented with an extra boost from a 175kW gasoline generator.  It’s essentially an extended range electric vehicle.  The car even features a solar paneled roof to aid with charging.

1.  Porsche 918 Spyder Hybrid

MSRP: $845,000

MPG: 78 estimate

Porsche is now taking orders for its new 918 Spyder Hybrid.  The company plans to build only 918 of the groundbreaking hybrid vehicles, which boast an unheard of 78 miles per gallon while providing 500 horsepower!  Not enough for you?  How about an extra 218 horsepower from electric motors mounted at each axle.  The car can go from 0 to 60 mph in 3.1 seconds and can reach 94 mph running on electric power alone.  With the gasoline engine kicked in, the coup tops out at 199 mph.  The 918 Spyder features a liquid-cooled lithium-ion battery that enables 16 miles of electric driving range.

“It’s certainly a rare car for someone who has the means, but it’s also for people who are very tuned in to technical advances and leading engineering,” says Porsche spokesman Gary Fong.