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Infiniti G vs. Acura MDX MPG

Chart is based on 758 fuel economy reports for the Infiniti G and 251 fuel economy reports for the Acura MDX.

Infiniti G MPG

Infiniti G Infiniti G 2013 22.1 MPG Highway Percentage 72 percent Infiniti G Infiniti G 2013 17.2 MPG Highway Percentage 41 percent Infiniti G Infiniti G 2012 25.6 MPG Highway Percentage 100 percent Infiniti G Infiniti G 2012 23.7 MPG Highway Percentage 70 percent Infiniti G Infiniti G 2011 20.8 MPG Highway Percentage 42 percent Infiniti G Infiniti G 2011 21.0 MPG Highway Percentage 49 percent Infiniti G Infiniti G 2011 25.7 MPG Highway Percentage 75 percent Infiniti G Infiniti G 2010 25.3 MPG Highway Percentage 68 percent Infiniti G Infiniti G 2010 22.3 MPG Highway Percentage 52 percent Infiniti G Infiniti G 2010 23.0 MPG Highway Percentage 58 percent Infiniti G Infiniti G 2010 18.0 MPG Highway Percentage 5 percent Infiniti G Infiniti G 2010 25.6 MPG Highway Percentage 70 percent Infiniti G Infiniti G 2009 23.2 MPG Highway Percentage 58 percent Infiniti G Infiniti G 2009 18.6 MPG Highway Percentage 31 percent Infiniti G Infiniti G 2009 24.5 MPG Highway Percentage 91 percent Infiniti G Infiniti G 2009 20.6 MPG Highway Percentage 33 percent Infiniti G Infiniti G 2009 15.0 MPG Highway Percentage 10 percent Infiniti G Infiniti G 2009 19.5 MPG Highway Percentage 58 percent Infiniti G Infiniti G 2009 20.4 MPG Highway Percentage 70 percent Infiniti G Infiniti G 2009 20.7 MPG Highway Percentage 48 percent Infiniti G Infiniti G 2008 20.9 MPG Highway Percentage 62 percent Infiniti G Infiniti G 2008 20.5 MPG Highway Percentage 34 percent Infiniti G Infiniti G 2008 19.1 MPG Highway Percentage 49 percent Infiniti G Infiniti G 2008 20.6 MPG Highway Percentage 35 percent Infiniti G Infiniti G 2008 19.6 MPG Highway Percentage 40 percent Infiniti G Infiniti G 2007 21.0 MPG Highway Percentage 37 percent Infiniti G Infiniti G 2007 21.0 MPG Highway Percentage 49 percent Infiniti G Infiniti G 2007 18.5 MPG Highway Percentage 47 percent Infiniti G Infiniti G 2007 18.5 MPG Highway Percentage 50 percent Infiniti G Infiniti G 2007 11.3 MPG Highway Percentage 5 percent Infiniti G Infiniti G 2006 21.1 MPG Highway Percentage 43 percent Infiniti G Infiniti G 2006 20.0 MPG Highway Percentage 48 percent Infiniti G Infiniti G 2006 20.7 MPG Highway Percentage 55 percent Infiniti G Infiniti G 2006 20.2 MPG Highway Percentage 40 percent Infiniti G Infiniti G 2006 21.1 MPG Highway Percentage 56 percent Infiniti G Infiniti G 2005 24.0 MPG Highway Percentage 55 percent Infiniti G Infiniti G 2005 19.0 MPG Highway Percentage 30 percent Infiniti G Infiniti G 2005 19.0 MPG Highway Percentage 44 percent Infiniti G Infiniti G 2005 21.2 MPG Highway Percentage 26 percent Infiniti G Infiniti G 2005 22.9 MPG Highway Percentage 46 percent Infiniti G Infiniti G 2004 23.3 MPG Highway Percentage 60 percent Infiniti G Infiniti G 2004 20.9 MPG Highway Percentage 60 percent Infiniti G Infiniti G 2004 19.3 MPG Highway Percentage 41 percent Infiniti G Infiniti G 2004 18.9 MPG Highway Percentage 38 percent Infiniti G Infiniti G 2004 18.3 MPG Highway Percentage 21 percent Infiniti G Infiniti G 2004 19.0 MPG Highway Percentage 43 percent Infiniti G Infiniti G 2004 20.0 MPG Highway Percentage 70 percent Infiniti G Infiniti G 2003 24.5 MPG Highway Percentage 68 percent Infiniti G Infiniti G 2003 20.8 MPG Highway Percentage 47 percent Infiniti G Infiniti G 2003 18.1 MPG Highway Percentage 35 percent Infiniti G Infiniti G 2003 21.0 MPG Highway Percentage 49 percent Infiniti G Infiniti G 2003 24.7 MPG Highway Percentage 85 percent Infiniti G Infiniti G 2002 28.7 MPG Highway Percentage 20 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
2013 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic RWD		 flat med light 3 13 13 72 69 22.1  
2013 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD		 flat med none 26 27 5 41 65 17.2  
2012 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic RWD		 flat light light 0 0 0 100 75 25.6  
2012 4dr Sedan 218-horsepower 2.5L V6
7-speed shiftable automatic AWD		 flat light none 0 30 0 70 60 23.7  
2011 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic RWD		 flat light light 9 24 25 42 66 20.8  
2011 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD		 flat med light 2 2 46 49 74 21.0  
2011 4dr Sedan 218-horsepower 2.5L V6
7-speed shiftable automatic RWD		 flat med light 3 2 21 75 74 25.7  
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2010 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic RWD		 flat med light 8 17 8 68 106 25.3  
2010 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD		 flat med none 3 12 33 52 72 22.3  
2010 4dr Sedan 328-horsepower 3.7L V6
6-speed manual RWD		 flat med light 7 28 7 58 73 23.0  
2010 2dr Hardtop conv. 325-horsepower 3.7L V6
7-speed shiftable automatic RWD		 flat lead none 5 10 80 5 60 18.0  
2010 2dr Coupe 330-horsepower 3.7L V6
7-speed shiftable automatic AWD		 flat med none 4 13 13 70 80 25.6  
2009 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic RWD		 flat med light 13 19 10 58 69 23.2  
2009 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD		 flat med light 6 30 34 31 63 18.6  
2009 4dr Sedan 328-horsepower 3.7L V6
6-speed manual RWD		 flat light light 0 9 0 91 70 24.5  
2009 2dr Hardtop conv. 325-horsepower 3.7L V6
7-speed shiftable automatic RWD		 flat lead hvy 17 33 17 33 75 20.6  
2009 2dr Hardtop conv. 325-horsepower 3.7L V6
6-speed manual RWD		 flat lead none 10 10 70 10 70 15.0  
2009 2dr Coupe 330-horsepower 3.7L V6
7-speed shiftable automatic RWD		 flat med light 10 20 12 58 73 19.5  
2009 2dr Coupe 330-horsepower 3.7L V6
7-speed shiftable automatic AWD		 flat light light 10 10 10 70 61 20.4  
2009 2dr Coupe 330-horsepower 3.7L V6
6-speed manual RWD		 hills med none 2 26 24 48 67 20.7  
2008 4dr Sedan 306-horsepower 3.5L V6
6-speed manual RWD		 flat med hvy 5 14 20 62 79 20.9  
2008 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 10 23 33 34 73 20.5  
2008 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat light light 12 14 26 49 68 19.1  
2008 2dr Coupe 330-horsepower 3.7L V6
6-speed manual RWD		 flat light light 1 11 53 35 71 20.6  
2008 2dr Coupe 330-horsepower 3.7L V6
5-speed shiftable automatic RWD		 flat lead light 9 29 22 40 74 19.6  
2007 4dr Sedan 306-horsepower 3.5L V6
6-speed manual RWD		 flat med light 10 29 24 37 68 21.0  
2007 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 10 19 23 49 71 21.0  
2007 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat med light 7 20 27 47 79 18.5  
2007 2dr Coupe 293-horsepower 3.5L V6
6-speed manual RWD		 flat med none 5 25 20 50 70 18.5  
2007 2dr Coupe 275-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat lead hvy 0 93 3 5 70 11.3  
2006 4dr Sedan 298-horsepower 3.5L V6
6-speed manual RWD		 flat med none 13 17 27 43 72 21.1  
2006 4dr Sedan 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 9 24 18 48 69 20.0  
2006 4dr Sedan 280-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat light light 5 16 24 55 71 20.7  
2006 2dr Coupe 298-horsepower 3.5L V6
6-speed manual RWD		 flat med light 8 29 23 40 65 20.2  
2006 2dr Coupe 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 7 16 21 56 69 21.1  
2005 4dr Sedan 298-horsepower 3.5L V6
6-speed manual RWD		 flat med light 5 20 20 55 60 24.0  
2005 4dr Sedan 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 hills med light 2 20 48 30 65 19.0  
2005 4dr Sedan 280-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat med none 10 31 15 44 85 19.0  
2005 2dr Coupe 298-horsepower 3.5L V6
6-speed manual RWD		 flat med light 8 24 42 26 70 21.2  
2005 2dr Coupe 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat light none 7 28 19 46 69 22.9  
2004 4dr Sedan 280-horsepower 3.5L V6
6-speed manual RWD		 flat light none 12 16 12 60 98 23.3  
2004 4dr Sedan 260-horsepower 3.5L V6
6-speed manual RWD		 flat med light 4 21 15 60 66 20.9  
2004 4dr Sedan 260-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 17 31 10 41 68 19.3  
2004 4dr Sedan 260-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat light none 11 21 30 38 67 18.9  
2004 2dr Coupe 280-horsepower 3.5L V6
6-speed manual RWD		 flat med light 12 36 31 21 66 18.3  
2004 2dr Coupe 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med none 28 18 10 43 63 19.0  
2004 2dr Coupe 260-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med none 10 10 10 70 60 20.0  
2003 4dr Sedan 260-horsepower 3.5L V6
6-speed manual RWD		 hills light hvy 0 19 14 68 71 24.5  
2003 4dr Sedan 260-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 9 15 29 47 85 20.8  
2003 2dr Coupe 280-horsepower 3.5L V6
6-speed manual RWD		 flat med light 11 28 26 35 92 18.1  
2003 2dr Coupe 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 5 23 23 49 70 21.0  
2003 2dr Coupe 260-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat light none 5 5 5 85 100 24.7  
2002 4dr Sedan 145-horsepower 2.0L I4
5-speed manual RWD		 flat v.lt none 5 10 65 20 65 28.7  

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

Acura MDX MPG

Acura MDX Acura MDX 2014 18.8 MPG Highway Percentage 40 percent Acura MDX Acura MDX 2014 20.0 MPG Highway Percentage 55 percent Acura MDX Acura MDX 2011 16.5 MPG Highway Percentage 50 percent Acura MDX Acura MDX 2010 15.4 MPG Highway Percentage 30 percent Acura MDX Acura MDX 2009 18.7 MPG Highway Percentage 59 percent Acura MDX Acura MDX 2008 19.6 MPG Highway Percentage 51 percent Acura MDX Acura MDX 2007 18.6 MPG Highway Percentage 52 percent Acura MDX Acura MDX 2006 19.7 MPG Highway Percentage 42 percent Acura MDX Acura MDX 2005 18.9 MPG Highway Percentage 49 percent Acura MDX Acura MDX 2004 19.3 MPG Highway Percentage 48 percent Acura MDX Acura MDX 2003 17.5 MPG Highway Percentage 39 percent Acura MDX Acura MDX 2002 18.8 MPG Highway Percentage 37 percent Acura MDX Acura MDX 2001 16.6 MPG Highway Percentage 31 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
2014 4dr SUV 290-horsepower 3.5L V6
6-speed shiftable automatic FWD		 flat light none 0 20 40 40 70 18.8  
2014 4dr SUV 290-horsepower 3.5L V6
6-speed shiftable automatic AWD		 flat med light 0 10 35 55 65 20.0  
2011 4dr SUV 300-horsepower 3.7L V6
6-speed shiftable automatic AWD		 flat light none 8 10 31 50 62 16.5  
2010 4dr SUV 300-horsepower 3.7L V6
6-speed shiftable automatic AWD		 flat light none 12 0 58 30 67 15.4  
2009 4dr SUV 300-horsepower 3.7L V6
5-speed shiftable automatic AWD		 flat light light 6 15 21 59 94 18.7  
2008 4dr SUV 300-horsepower 3.7L V6
5-speed shiftable automatic AWD		 flat light light 10 15 24 51 71 19.6  
2007 4dr SUV 300-horsepower 3.7L V6
5-speed shiftable automatic AWD		 flat med none 3 13 32 52 73 18.6  
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2006 4dr SUV 253-horsepower 3.5L V6
5-speed automatic AWD		 flat light light 5 27 26 42 67 19.7  
2005 4dr SUV 265-horsepower 3.5L V6
5-speed automatic AWD		 flat light light 10 27 14 49 68 18.9  
2004 4dr SUV 265-horsepower 3.5L V6
5-speed automatic AWD		 flat light light 6 19 27 48 67 19.3  
2003 4dr SUV 260-horsepower 3.5L V6
5-speed automatic AWD		 flat med none 7 32 22 39 68 17.5  
2002 4dr SUV 240-horsepower 3.5L V6
5-speed automatic AWD		 flat light light 9 30 25 37 88 18.8  
2001 4dr SUV 240-horsepower 3.5L V6
5-speed automatic AWD		 flat med light 0 29 41 31 69 16.6  

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This page shows only averages. See all the Acura MDX fuel economy data.

Infiniti G vs. Acura MDX 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 Infiniti G and Acura MDX'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 Infiniti models and Acura models.

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

Infiniti G Real Gas Mileage: Pros
YearBody/PowertrainComment
2007 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic AWD		 My average for the life of the car is 21MPG. Not too bad for a car with this power and my lead foot. see full Infiniti G review
Infiniti G Real Gas Mileage: Cons
YearBody/PowertrainComment
2013 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic RWD		 Can live with it because of the performance, but wish the mileage was better and premium fuel was not required. see full Infiniti G review
2013 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD		 What the powertrain giveth, the fuel economy taketh away. Nissan's VQ engines just seem to be thirsty - if you commute in heavy traffic, especially for short trips, don't be surprised at 15.5-16 mpg tanks. I don't know what mostly-highway commuting would look like, but maybe 22-25 mpg depending on driving style. see full Infiniti G review
2010 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD		 To be honest, it is exactly what I expected, so no real beefs with it. That said, if you are looking for a car that gets better than 19 or so combined, this is not it. Decent freeway miles (24-27/g) but in city it is hard to beat 16/g. see full Infiniti G review
2010 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD		 Fuel economy is poor - about 19 MPG average. see full Infiniti G review
2009 2dr Coupe 330-horsepower 3.7L V6
7-speed shiftable automatic RWD		 You do not buy a performance car and expect to get good gas mileage. At a 5 mpg or greater difference from my last car, it is taking some getting used too. see full Infiniti G review
2009 2dr Coupe 330-horsepower 3.7L V6
7-speed shiftable automatic AWD		 average 18 in town 24 highway. see full Infiniti G review
2009 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD		 With such a large displaced engine and so much power you will find that you will have so-so mpg if you drive mainly in the city like I do. Especially if you are a "spirited" driver like I tend to be. I am averaging about 14-16mpg 95% city. On the highway its a different story. I have averaged up to 28mpg @ 78mph, I kind of wish I drove more on the highway. see full Infiniti G review
2008 4dr Sedan 306-horsepower 3.5L V6
6-speed manual RWD		 While not terrible, ~20mpg is by no means phenomenal. Relatively comparable cars get ~23-27mpg, but typically also have smaller engines which explains a good portion of the difference. see full Infiniti G review
2008 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic AWD		 Takes a lot of fuel... 14L/100km about. see full Infiniti G review
2008 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic RWD		 Not too great. My average is 19 - 20 mpg, mostly city. see full Infiniti G review
 

TrueDelta Reviews the Real Gas Mileage of the Acura MDX

Acura MDX Real Gas Mileage: Pros
YearComment
2014 In addition to trimming the size and weight of the MDX, Acura also reduced the size of the V6 engine from 3.7 to 3.5 liters. Thanks to direct injection the new, smaller engine is nearly as powerful (290 vs. 300 horsepower), and is even a little punchier at low rpm. It can run on three cylinders to save fuel while cruising. The QX60's V6, also 3.5 liters, lacks direct injection and is only good for 265 horsepower. Even though the Infiniti's CVT (continuously variable transmission) can hold the engine at its power peak, this isn't enough to compensate for its power and weight disadvantages. The MDX is noticeably quicker, if still not thrillingly quick. (It can get to 60 mph in about seven seconds.) Then again, fuel economy appears to have been the priority. In the EPA's tests, the 2013 MDX rated 16 mpg city, 21 mpg highway. Infiniti, aiming to top these marks with the JX35 did so by two mpg (18/23). A redesigned CVT shared with the new Nissan Pathfinder bumps the QX60 to 19/25. The new MDX trails the Infiniti by one mpg in the city, but tops it on the highway with a 27 mpg rating--tying the new diesel BMW X5 and impressive for a gas-powered three-row crossover. In real-world suburban driving with an economy-minded right foot the trip computer reported averages from 21 to 23. With a feather-light foot and good luck with traffic lights, 25 can happen. Drive the MDX hard enough to enjoy the snarl that kicks in with the big VTEC cam lobes at 5,000 rpm, on the other hand, and mpg falls into the mid-teens. Highway driving confirmed the EPA estimate. see full Acura MDX review
 

What Our Members Are Saying about the Real Gas Mileage of the Acura MDX

Acura MDX Real Gas Mileage: Pros
YearBody/PowertrainComment
2014 4dr SUV 290-horsepower 3.5L V6
6-speed shiftable automatic FWD		 Bought this car because the fuel economy was the same as the Hybrid SUV I was looking to replace. Best miliage is on the highway with AC off at 27 MPG. It gets 23-24 in the city with AC off. see full Acura MDX review
2008 4dr SUV 300-horsepower 3.7L V6
5-speed shiftable automatic AWD		 can be better see full Acura MDX review
2006 4dr SUV 253-horsepower 3.5L V6
5-speed automatic AWD		 One of the best for an SUV. 24 highway at 70 mph, 20 in town. see full Acura MDX review
2002 4dr SUV 240-horsepower 3.5L V6
5-speed automatic AWD		 I have averaged 25 mpg on the road, occasionally reaching 26-7. Ethanol is bad for it (as it is on all older cars). see full Acura MDX review
2002 4dr SUV 240-horsepower 3.5L V6
5-speed automatic AWD		 Best economy in its class. For a 7 passenger vehicle, great hwy mileage. I averaged 22-25mpg strict hwy. 15-18mpg in town. see full Acura MDX review
2002 4dr SUV 240-horsepower 3.5L V6
5-speed automatic AWD		 Unbeatable for a 4WD vehicle of its capacity. see full Acura MDX review
Acura MDX Real Gas Mileage: Cons
YearBody/PowertrainComment
2012 4dr SUV 300-horsepower 3.7L V6
6-speed shiftable automatic AWD		 Gas mileage is not good. The best I get is around 20 mpg, and use 91 octane as reccommended. I've tried mid-grade 89 octane with no noticable difference but for $1.00-$2.00 per tankful, I'm choosing to stick with what is reccommended. It would be nice to have a front wheel drive only version which would save on gas, but it's not offered. see full Acura MDX review
2008 4dr SUV 300-horsepower 3.7L V6
5-speed shiftable automatic AWD		 Well, it's AWD, and it's a heavy SUV. As a result, fuel economy is not great. see full Acura MDX review
2008 4dr SUV 300-horsepower 3.7L V6
5-speed shiftable automatic AWD		 I have yet to see 15 city/20 hwy, even with 12k on the odometer and not driving it hard. 13/18 is more like it. see full Acura MDX review
2008 4dr SUV 300-horsepower 3.7L V6
5-speed shiftable automatic AWD		 Gas engine does not achieve excellent mileage diesels provide see full Acura MDX review
2008 4dr SUV 300-horsepower 3.7L V6
5-speed shiftable automatic AWD		 Gets only 17-18 mpg. see full Acura MDX review
2007 4dr SUV 300-horsepower 3.7L V6
5-speed shiftable automatic AWD		 City driving is worse than advertised...15 to 16 mpg. But highway is 23-24 mpg. see full Acura MDX review
2007 4dr SUV 300-horsepower 3.7L V6
5-speed shiftable automatic AWD		 I get only 16mpg even on highways see full Acura MDX review
2007 4dr SUV 300-horsepower 3.7L V6
5-speed shiftable automatic AWD		 19Mpg is ok. Its not great. see full Acura MDX review
2006 4dr SUV 253-horsepower 3.5L V6
5-speed automatic AWD		 wish the fuel economy could have been addressed a bit more...not really complaining cos I drive an Odyssey too ..which has the same engine as the MDX..similar consumption... see full Acura MDX review
2005 4dr SUV 265-horsepower 3.5L V6
5-speed automatic AWD		 Would get a hybrid next - more MPG. see full Acura MDX review