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Hyundai Genesis vs. Infiniti EX MPG

Chart is based on 133 fuel economy reports for the Hyundai Genesis and 233 fuel economy reports for the Infiniti EX.

Hyundai Genesis MPG

Hyundai Genesis Hyundai Genesis 2015 29.7 MPG Highway Percentage 95 percent Hyundai Genesis Hyundai Genesis 2015 19.8 MPG Highway Percentage 27 percent Hyundai Genesis Hyundai Genesis 2015 31.1 MPG Highway Percentage 80 percent Hyundai Genesis Hyundai Genesis 2012 25.7 MPG Highway Percentage 84 percent Hyundai Genesis Hyundai Genesis 2012 26.4 MPG Highway Percentage 61 percent Hyundai Genesis Hyundai Genesis 2011 23.0 MPG Highway Percentage 55 percent Hyundai Genesis Hyundai Genesis 2010 23.1 MPG Highway Percentage 64 percent Hyundai Genesis Hyundai Genesis 2010 21.3 MPG Highway Percentage 42 percent Hyundai Genesis Hyundai Genesis 2009 21.0 MPG Highway Percentage 34 percent Hyundai Genesis Hyundai Genesis 2009 23.2 MPG Highway Percentage 51 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2015 4dr Sedan 420-horsepower 5.0L V8
8-speed shiftable automatic RWD		 hills med none 3 3 0 95 73 29.7  
2015 4dr Sedan 311-horsepower 3.8L V6
8-speed shiftable automatic RWD		 flat med light 9 37 28 27 79 19.8  
2015 4dr Sedan 311-horsepower 3.8L V6
8-speed shiftable automatic AWD		 flat med light 0 12 8 80 70 31.1  
2012 4dr Sedan 429-horsepower 5.0L V8
8-speed shiftable automatic RWD		 flat light light 1 10 4 84 74 25.7  
2012 4dr Sedan 333-horsepower 3.8L V6
8-speed shiftable automatic RWD		 flat light light 2 5 33 61 73 26.4  
2011 4dr Sedan 290-horsepower 3.8L V6
6-speed shiftable automatic RWD		 flat light light 8 6 31 55 76 23.0  
2010 4dr Sedan 375-horsepower 4.6L V8
6-speed shiftable automatic RWD		 flat med hvy 5 9 22 64 70 23.1  
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2010 4dr Sedan 290-horsepower 3.8L V6
6-speed shiftable automatic RWD		 flat med hvy 4 16 39 42 77 21.3  
2009 4dr Sedan 375-horsepower 4.6L V8
6-speed shiftable automatic RWD		 flat med light 11 21 34 34 73 21.0  
2009 4dr Sedan 290-horsepower 3.8L V6
6-speed shiftable automatic RWD		 flat med light 9 19 22 51 79 23.2  

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This page shows only averages. See all the Hyundai Genesis fuel economy data.

Infiniti EX MPG

Infiniti EX Infiniti EX 2012 24.1 MPG Highway Percentage 50 percent Infiniti EX Infiniti EX 2012 16.9 MPG Highway Percentage 67 percent Infiniti EX Infiniti EX 2011 19.2 MPG Highway Percentage 41 percent Infiniti EX Infiniti EX 2010 18.4 MPG Highway Percentage 33 percent Infiniti EX Infiniti EX 2010 19.6 MPG Highway Percentage 45 percent Infiniti EX Infiniti EX 2009 20.3 MPG Highway Percentage 43 percent Infiniti EX Infiniti EX 2009 18.8 MPG Highway Percentage 21 percent Infiniti EX Infiniti EX 2008 20.9 MPG Highway Percentage 43 percent Infiniti EX Infiniti EX 2008 18.9 MPG Highway Percentage 68 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2012 4dr SUV 297-horsepower 3.5L V6
7-speed shiftable automatic RWD		 flat med hvy 0 10 40 50 75 24.1  
2012 4dr SUV 297-horsepower 3.5L V6
7-speed shiftable automatic AWD		 flat light light 6 15 13 67 80 16.9  
2011 4dr SUV 297-horsepower 3.5L V6
7-speed shiftable automatic AWD		 hills light light 0 19 40 41 100 19.2  
2010 4dr SUV 297-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med hvy 14 25 28 33 64 18.4  
2010 4dr SUV 297-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat med none 14 15 27 45 76 19.6  
2009 4dr SUV 297-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat light light 24 8 25 43 70 20.3  
2009 4dr SUV 297-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat light none 27 41 11 21 116 18.8  
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2008 4dr SUV 297-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 15 26 16 43 67 20.9  
2008 4dr SUV 297-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat light light 4 10 18 68 94 18.9  

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This page shows only averages. See all the Infiniti EX fuel economy data.

Hyundai Genesis vs. Infiniti EX MPG

Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the Hyundai Genesis and Infiniti EX's where a car was driven. So you can get an idea of their real-world MPG based on how and where you drive a car.

See TrueDelta's information for all Sedans
See TrueDelta's information for all Hyundai models and Infiniti models.

TrueDelta Reviews the Real Gas Mileage of the Hyundai Genesis

Hyundai Genesis Real Gas Mileage: Cons
YearComment
2009 While competitors have been switching to relatively small turbocharged engines, the Genesis continues to rely on larger normally aspirated ones. Even the base car's 3.8-liter V6 is nearly twice the size of the Audi's turbocharged 2.0-liter four-cylinder engine. Also, Hyundai doesn't yet offer automatic stop/start. The most significant impact: the Genesis gets much worse fuel economy. With two-wheel drive, the A6 2.0T scored 24 mpg city, 35 mpg highway in the EPA's tests, the Genesis 3.8 only 18/29. Add all-wheel drive, and the Audi's ratings fall to 22/32, the Hyundai's to 16/25, not good. Hyundai has developed a new turbocharged 3.3-liter V6 to replace the 3.8, but it isn't clear how soon this new, more efficient and more powerful engine will be available in the Genesis G80. It won't be available when the car arrives this summer, so most likely the 2018 model year. According to the trip computer, my real-world fuel economy was well above the EPA figures. Only when I drove the Genesis fairly aggressively did the trip computer average fall below 20 mpg. On my usual suburban route it averaged around 23 mpg, and on a 70-mph highway it averaged about 30 mpg. The former was still a few mpg short of the Audi, but the latter was at least as good. If the trip computer is accurate, the fuel economy of the Genesis isn't nearly as dismal as the EPA ratings indicate. see full Hyundai Genesis review
 

What Our Members Are Saying about the Real Gas Mileage of the Hyundai Genesis

Hyundai Genesis Real Gas Mileage: Pros
YearBody/PowertrainComment
2012 4dr Sedan 333-horsepower 3.8L V6
8-speed shiftable automatic RWD		 This is my second Genesis. First one was a 2010 4.6L and this has the 6 cyl and it is nearly as quick but gets better fuel mileage. I get in the high 20's on the highway. Used to get 25 to 27 in the 8cyl. This 2012 has an 8 speed transmission compared to the 2010's 7 speed. see full Hyundai Genesis review
2010 4dr Sedan 375-horsepower 4.6L V8
6-speed shiftable automatic RWD		 about average for a V8, nothing special see full Hyundai Genesis review
Hyundai Genesis Real Gas Mileage: Cons
YearBody/PowertrainComment
2010 4dr Sedan 375-horsepower 4.6L V8
6-speed shiftable automatic RWD		 I would like the economy to be higher... 20-28 range see full Hyundai Genesis review
2009 4dr Sedan 290-horsepower 3.8L V6
6-speed shiftable automatic RWD		 With all the added technology, I would have expected better mileage. I average slightly less than 20 MPH and that is the same as an older heavier STS without the latest and greatest engine management features. see full Hyundai Genesis review
2009 4dr Sedan 375-horsepower 4.6L V8
6-speed shiftable automatic RWD		 Others say they are getting the 18 to 24 MPG claimed. I find that when I do 80% "suburban driving" (strip malls, lights, in/out of car, etc), I get 16 at best. When I am doing 80 on the highway w/ cruise control, I get 23-26. see full Hyundai Genesis review
 

What Our Members Are Saying about the Real Gas Mileage of the Infiniti EX

Infiniti EX Real Gas Mileage: Cons
YearBody/PowertrainComment
2013 4dr SUV 325-horsepower 3.7L V6
7-speed shiftable automatic AWD		 Could be better by today's standards see full Infiniti EX review
2010 4dr SUV 297-horsepower 3.5L V6
5-speed shiftable automatic AWD		 love the V6 power but the EPA MPG is worrisome see full Infiniti EX review
2010 4dr SUV 297-horsepower 3.5L V6
5-speed shiftable automatic RWD		 OK This is NOT a car to buy if MPG is important although I am getting over 23 MPG avg. It is a POWERFUL car with a great drive train ready like a race horse at the gate to giddy up and it does when you need it on premium recommended fuel....in spades. I don't drive enough to care about fuel economy all that much. Not an econobox. see full Infiniti EX review
2009 4dr SUV 297-horsepower 3.5L V6
5-speed shiftable automatic AWD		 17MPG in the city is a little disappointing for a vehicle with such finesse and reputation. I would guess Infiniti would cater to the masses with styling, performance and a little more economy. Not asking for miracles but I'm sure they could squeeze out 3 or 4 more MPG with the same 3.5L V6 see full Infiniti EX review
2008 4dr SUV 297-horsepower 3.5L V6
5-speed shiftable automatic RWD		 Uses premium fuel. see full Infiniti EX review
2008 4dr SUV 297-horsepower 3.5L V6
5-speed shiftable automatic RWD		 I average about 20 miles per gallon on premium fuel - with a mix of street and highway driving. I typically get 16 mpg in the city and 24 on the highway. Some of this is attributable to the 5 speed transmission on the car, which favors acceleration to economy. I imagine the 7 speed transmission should help the car get better highway economy. see full Infiniti EX review
2008 4dr SUV 297-horsepower 3.5L V6
5-speed shiftable automatic AWD		 Expensive to keep fuelled given poor gas mileage and costs of premium fuel. Number 1 reason I am thinking of switching to another car. see full Infiniti EX review
2008 4dr SUV 297-horsepower 3.5L V6
5-speed shiftable automatic AWD		 Slightly low if driving mostly city. see full Infiniti EX review