10. Audi R8 5.2 FSI
Sheesh, with a name like that, no wonder it made the list! When it comes to German performance cars, few can touch this supercar that can be used year 'round, thanks to the fact its 525 horses are harnessed by quattro all-wheel drive. The downside is its thirst. The R8 breaks into the top 10 list, with city fuel consumption 19.1 L/100 km and CO2 emissions of 7,300 kg.
9. Aston Martin V12 Vantage
This 6.0-litre V12 engine cranks out 510 horsepower. It's good for a 0-100 km/h acceleration time in the low fours, and can touch 300 km/h given a long enough straight. In-town fuel economy is an eye-wincing 19.1 L/100 km, and yearly CO2 emissions are 7,314 kg.
8. Mercedes Benz G550
Modeled after the German Panzer tank, this is one of the best off-roaders in the world, but also the thirstiest and most polluting. The 5.5-litre V8 churns out 382 horsepower, but thanks to its weight and terrible aerodynamics, it can scarcely manage 18.7 L/100 km in the city. CO2 emissions? Try 7,590 kg per year.
7. Lamborghini Gallardo Spyder
Its looks turn heads, its shrieking V10 could wake the dead, and it handles like a genuine supercar. But for this list, we'd sum it up with this word: gluttonous! 7,636 kg of CO2 per year, and a 20 L/100 km fuel economy rating in the city - but only when you're not testing the factory's claim of 0-100 km/h in four seconds.
6. Bentley Mulsanne
Acting as the successor to the Arnage, it features a long list of opulent luxury features, and a big, powerful turbocharged V8 engine to move it around. Although Bentley slashed carbon dioxide emissions of the Mulsanne considerably, it still produces 7,636 kilos of CO2 per year, downing more than 20 L/100 km in the city. That's the price you pay for 752 lb.-ft. of torque at your disposal.
5. GMC Yukon Denali AWD
When equipped with an optional permanent all-wheel-drive system, it consumes more than 20L/km in the city. Its all-American 6.2-litre pushrod V8 releases 8,000 kilograms of CO2 into the atmosphere during a year of normal use. For those with a bit more of an environmentally friendly conscience, GMC also offers the Yukon Denali in hybrid form, which consumes far less fuel, and produces far fewer tailpipe emissions.
4. Maybach 62
(In my opinion, one of the ugliest cars out there!) Built by Mercedes-Benz, the 62 grand limo is opulent beyond belief and is usually driven by chauffeurs. No doubt, the twin-turbocharged 5.5-litre V12 and the vehicle's excessive weight are responsible for its enormous fuel consumption: 21.1 litres per 100 kilometres, no less! This sedan spews more than 8,004 kilos of CO2 annually, based on normal usage.
3. Mercedes-Benz G55 AMG
The G-Class is the only vehicle to be on this list twice. The G55 ranks third due to its performance-upgraded engine, which has been enhanced with a supercharger that force-feeds the engine more fuel and air. This one burns close to 20L/100km when tooling around in the city. Its CO2 count trumps the cruise-ship-like Maybach at 8,050
2. Mercedes-Benx ML63 AMG
This hand-built AMG engine downs fuel as if it's going out of style. 20.4 l/100 km in the city, and 14 on the highway. Annual CO2 emissions exceed 8,000 kilograms! But it's not the worst offender on this list.
1. Bugatti Veyron
Sure it's a top-performer in many regards. It is a technological marvel, and in Super Sport guise, is the fastest production automobile in the world. It also happens to be the country's top polluter, knocking back 26 litres of premium unleaded per 100 km of city driving. Drive it the national average, and it belches out 9,798 kilos - nearly 10 tons - of CO2. And what, you expected Prius-like economy from a car generating more than 1,000 horsepower in base form?
Found on MSN Autos
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