20th

Maserati Quattroporte

7,440 kg of CO2 per year

19th

Mercedes-Benz S600

7,488 kg/year of CO2

18th

7,536 kg/year

Aston Martin DB9

7,536 kg/year

17th

Saab 9-7x

7,584 kg/year

Mercedes-Benz CL65 AMG

7,584 kg

per year

16th

Porsche Cayenne GTS

7,632 kg/year

15th

Mercedes-Benz CL600

7,680 kg/year

Ferrari F430

7,680 kg/year

Aston Martin DBS

7,680 kg/year

14th

Mercedes-Benz S65 AMG

7,728 kg/year

13th

BMW M5 and M6 Coupe

7,824 kg/year

12th

BMW M6 Convertible

7,872 kg

11th

Bentley Continental GT

7,920 kg/year

Mercedes-Benz G550

7,920 kg/year

10th

Bentley Continental GTC

8,064 kg/year

Bentley Continental Flying Spur

8,064 kg/year

Ferrari 599 GTB (manual)

Ninth

Mercedes-Benz G55 AMG

8,112 kg/year

Jeep Grand Cherokee SRT8

8,112 kg/year

Eighth

Ferrari 599 GTB (F1 transmission)

8,160 kg/year

Seventh

Maybach 57 and 62

8,352 kg/year

Sixth

Maybach 57S and 62S

8,400 kg/year

Mercedes-Benz ML63 AMG

8,400 kg/year

Fifth

and

fourth

Ferrari 612 Scaglietti

8,784 kg

Third

Bentley Arnage, Arnage RL, Brooklands, Azure

8,880 kg/year

Second

and

first

Lamborghini Murciélago

10,000 kg/y