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How Fuel Efficient Are The World's Fastest Cars?

Car Culture

Is it miles per gallon or gallons per mile?

We love horsepower, but what we really love is good old fashioned fuel swilling, middle finger up to the Prius brigade, as many cylinders as you want, road eating horsepower. But, when we talk about the fastest cars around, we don't really consider MPG because if you can afford a Bugatti, Ferrari, or Lamborghini, then the cost doesn’t really matter. Fuel economy is not a question as high on the list as say… What's the top speed? How quickly does it get to 60 mph? Where can I hire a runway to test that out?

In fact, fuel economy is probably further down the list for crazy fast cars buyers than, "What color should I get?” or "Are there any cupholders?” But, we’re curious people and can't afford a Bugatti Chiron anyway, so we wondered just how much fuel do the fastest cars you can buy today actually drink?

Dodge Challenger SRT Demon

Dodge’s street legal drag racer cranks 840 horsepower from its supercharged 6.2-liter V8 and Dodge claims will run the quarter mile in 9.65 seconds at 140 mph and top out at 203 with the speed limiter removed. Around town and on normal fuel, the engine is tamed down to a vaguely less lunatic 808 horsepower that will give you 13 mpg in the city and 22 on the highway. Combined, that’s 17.05 mpg.

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Bentley Continental GT

Bentley's fastest model isn't all about speed, but that doesn't stop the W12-powered coupe topping out at a claimed 207 mph. The party piece, of course, is that it'll do it in a refined and luxurious fashion while your passenger sips on some champaign and feeds you fresh strawberries. Around town, you'll be getting up to 12 to the gallon but on the highway, at a more sedate speed, it'll be 20 mpg but combined it's just 15 mpg.

Mclaren Senna

McLaren's latest masterpiece is engineered to be a car you can legally drive to the track and beat just about anything before driving home again. The top speed of the Senna is claimed to be a little slower than the now-retired P1 at 211 mph, but the twin-turbo V8 has a very respectable combined mpg of 28 mpg at normal road speeds.

Ferrari 812 Superfast

Living up to its name, the 812 Superfast comes packing a 789 horsepower V12 with a top speed of 211 mph and will clear 0–62 mph in 2.9 seconds. Ferrari is also proud of its power to weight ratio of 4.50 lb per horsepower and declares that to be perfect. A lap around Ferrari’s racetrack yielded a time of 1:21:50 which makes for the third fastest lap time there in a production Ferrari and half a second behind the F12 TDF.

The 812 Superfast also has a slick mix of active and passive aerodynamics to improve its drag coefficient. As a result, it has a healthy 16 mpg on the highway but only 12 in the city and making for a combined and expensive 13 mpg.

Aston Martin DBS Superleggera

Aston's naturally aspirated V12 is an absolute brute. The DBS Superleggera is also beautiful to look at and incorporates a lot more technology and race-inspired features than its predecessors. It tops out at 211 mph like the Senna and the 812 Superfast, but has a combined EPA mpg rating of 27 mpg. That's just 1 mpg fewer than the V8 powered Senna.

Porsche 911 GT2 RS

According to Porsche, the GT2 RS tops out at 211 mph but the German magazine Sport Auto has a video of them taking it to a speedometer indicated 221 mph but a GPS verified 212.5 mph. This wouldn't be the first time a German company has underplayed the numbers (looking at you BMW) so we're going to accept the 212 mph. There aren't many six-cylinder engines on this list, but this one gets just 21 highway and 17 mpg combined, compared to the V8 powered Senna's 28 mpg.

Chevrolet Corvette ZR1

The latest Corvette ZR1 has quite a reputation already and a top speed of 212 mph makes it the fastest Corvette in a straight-line yet. It's not just a straight-line animal though, the ZR1 also has a neck muscle straining amount of grip to go with that monstrous power. The supercharged 6.2-liter V-8 is a work art that seems to have a relentlessly unending supply of torque but a surprisingly good fuel economy of 20 mpg combined.

Ford GT

Like the Porsche GT2 RS, the Ford GT has a 6-cylinder power plant, and the question is whether the twin-turbo 3.5-liter Ecoboost engine making 647 horsepower gets decent gas mileage or not. Around town, it’ll get you just 11 to the gallon but out on the highway, if you can refrain from hammering the loud pedal all the way to 216 mph, the EPA rates it at 18 mpg and a combined 14 mpg.

Lamborghini Aventador SVJ

The Aventador has been around for a while now, and the SVJ version is the weapon of choice if you want to go stupidly fast around a track, particularly if you think the Nurburgring record matters. That kind of focus means everything has been toyed with, including the 6.5-liter naturally-aspirated V12 engine that makes 770 horsepower and 531 lb-ft of torque that will take the Aventador SVJ to 217 mph. According to Lamborghini, you can expect a combined highway and city figure of 11 mpg.

Pagani Huayra BC

When it comes to 12-cylinder monsters, the Pagani Huayra is up there with the best of them with its 6.0-liter engine. Surprisingly, the Huayra will top out at 230 mph, although 238 has been reported, after getting from 0-60 mph in 2.8 seconds. It’s not the ideal grocery-getter in so many ways, it gets 11 to the gallon around town, but for trundling along at the speed limit on the freeway it’s not terrible. Combined, it gets just 13 mpg though.

Koenigsegg  Regera

The Regara is an insane piece of engineering that will hit a top speed of 249 mph in 20 seconds, and without a gearbox. Instead of a traditional transmission, Koenigsegg got creative with one gear that uses an internal combustion engine and an electric motor working in concert together. Without a traditional transmission and what can only be described as wizardry, its acceleration is close to absurd to watch. The V8 internal combustion makes 1,100 horsepower on its own before the three electric motors are counted in, and on electric power alone the Regera will go 22 miles before needing to be charged. It's no green dream though, unless your commute is only 11 miles each way, with an EPA combined rating of 13 mpg.

Bugatti Chiron Sport

A quad-turbocharged 8.0-liter W-16 engine producing 1,500 horsepower and 1,180 lb-ft of torque is going to guzzle gas. We don’t know its actual top speed yet because, according to Bugatti, the tires don’t exist yet that could take it to the top end. You’ll be happy to know it gets fewer miles per gallons than it has cylinders any way you dice it though. The Chiron is rated at 9 mpg in the city and 14 on the highway which makes for a combined 11 mpg.

If you’re interested how that compares to the 268 mph Veyron, then that has an even lower fuel economy with a wallet-emptying 10 mpg combined. At top speed, the Veyron Grand Sport Vitesse drinks its 26.4-gallon fuel tank in 12 minutes assuming that you can find a piece of road long enough.

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