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Pontiac Grand Prix vs. Toyota Sienna Fuel Economy (g/100m)

Chart is based on 102 fuel economy reports for the Pontiac Grand Prix and 298 fuel economy reports for the Toyota Sienna.

Pontiac Grand Prix g/100m

Pontiac Grand Prix Pontiac Grand Prix 2008 5.1 MPG Highway Percentage 21 percent Pontiac Grand Prix Pontiac Grand Prix 2008 4.9 MPG Highway Percentage 0 percent Pontiac Grand Prix Pontiac Grand Prix 2007 6.0 MPG Highway Percentage 50 percent Pontiac Grand Prix Pontiac Grand Prix 2007 4.3 MPG Highway Percentage 53 percent Pontiac Grand Prix Pontiac Grand Prix 2006 15.2 MPG Highway Percentage 33 percent Pontiac Grand Prix Pontiac Grand Prix 2006 5.5 MPG Highway Percentage 45 percent Pontiac Grand Prix Pontiac Grand Prix 2006 4.2 MPG Highway Percentage 49 percent Pontiac Grand Prix Pontiac Grand Prix 2005 3.6 MPG Highway Percentage 95 percent Pontiac Grand Prix Pontiac Grand Prix 2005 5.6 MPG Highway Percentage 25 percent Pontiac Grand Prix Pontiac Grand Prix 2005 4.3 MPG Highway Percentage 45 percent Pontiac Grand Prix Pontiac Grand Prix 2004 4.9 MPG Highway Percentage 28 percent Pontiac Grand Prix Pontiac Grand Prix 2004 5.1 MPG Highway Percentage 20 percent Pontiac Grand Prix Pontiac Grand Prix 2004 7.0 MPG Highway Percentage 70 percent Pontiac Grand Prix Pontiac Grand Prix 2003 4.5 MPG Highway Percentage 34 percent Pontiac Grand Prix Pontiac Grand Prix 2003 21.2 MPG Highway Percentage 1 percent Pontiac Grand Prix Pontiac Grand Prix 2002 4.6 MPG Highway Percentage 23 percent Pontiac Grand Prix Pontiac Grand Prix 2002 4.8 MPG Highway Percentage 3 percent Pontiac Grand Prix Pontiac Grand Prix 2002 4.7 MPG Highway Percentage 56 percent Pontiac Grand Prix Pontiac Grand Prix 2001 13.4 MPG Highway Percentage 83 percent Pontiac Grand Prix Pontiac Grand Prix 2001 3.2 MPG Highway Percentage 99 percent Pontiac Grand Prix Pontiac Grand Prix 2001 3.6 MPG Highway Percentage 95 percent Pontiac Grand Prix Pontiac Grand Prix 2000 4.1 MPG Highway Percentage 85 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 g/100m
2008 4dr Sedan 303-horsepower 5.3L V8
4-speed shiftable automatic FWD		 flat med none 7 39 32 21 61 5.1  
2008 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD		 hills light hvy 0 0 100 0 N/A 4.9  
2007 4dr Sedan supercharged 260hp 3.8L V6
4-speed automatic FWD		 flat med none 3 37 10 50 63 6.0  
2007 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD		 hills light none 17 24 8 53 63 4.3  
2006 4dr Sedan supercharged 260hp 3.8L V6
4-speed automatic FWD		 flat med light 3 43 23 33 100 15.2  
2006 4dr Sedan 303-horsepower 5.3L V8
4-speed shiftable automatic FWD		 flat med light 5 22 28 45 69 5.5  
2006 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD		 flat med light 10 11 31 49 69 4.2  
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2005 4dr Sedan supercharged 260hp 3.8L V6
4-speed automatic FWD		 hills med hvy 0 0 5 95 70 3.6  
2005 4dr Sedan 303-horsepower 5.3L V8
4-speed shiftable automatic FWD		 flat med none 7 23 45 25 65 5.6  
2005 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD		 flat light none 10 24 21 45 65 4.3  
2004 4dr Sedan supercharged 260hp 3.8L V6
4-speed shiftable automatic FWD		 hills med light 26 23 23 28 72 4.9  
2004 4dr Sedan supercharged 260hp 3.8L V6
4-speed automatic FWD		 hills med none 0 40 40 20 65 5.1  
2004 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD		 flat med light 3 7 20 70 77 7.0  
2003 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD		 flat med light 19 23 25 34 60 4.5  
2003 4dr Sedan 175-horsepower 3.1L V6
4-speed automatic FWD		 flat med none 9 10 80 1 100 21.2  
2002 4dr Sedan supercharged 240hp 3.8L V6
4-speed automatic FWD		 flat med light 66 8 3 23 64 4.6  
2002 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD		 flat med none 2 25 70 3 75 4.8  
2002 2dr Coupe 200-horsepower 3.8L V6
4-speed automatic FWD		 flat med light 0 17 28 56 65 4.7  
2001 4dr Sedan supercharged 240hp 3.8L V6
4-speed automatic FWD		 flat light light 9 5 5 83 80 13.4  
2001 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD		 flat v.lt none 0 0 1 99 60 3.2  
2001 4dr Sedan 175-horsepower 3.1L V6
4-speed automatic FWD		 flat v.lt light 0 2 3 95 80 3.6  
2000 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD		 flat light none 5 5 5 85 70 4.1  

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This page shows only averages. See all the Pontiac Grand Prix fuel economy data.

Toyota Sienna g/100m

Toyota Sienna Toyota Sienna 2021 2.9 MPG Highway Percentage 95 percent Toyota Sienna Toyota Sienna 2015 6.0 MPG Highway Percentage 14 percent Toyota Sienna Toyota Sienna 2014 4.9 MPG Highway Percentage 65 percent Toyota Sienna Toyota Sienna 2013 5.2 MPG Highway Percentage 50 percent Toyota Sienna Toyota Sienna 2012 4.7 MPG Highway Percentage 60 percent Toyota Sienna Toyota Sienna 2011 8.4 MPG Highway Percentage 45 percent Toyota Sienna Toyota Sienna 2011 5.3 MPG Highway Percentage 48 percent Toyota Sienna Toyota Sienna 2011 24.8 MPG Highway Percentage 20 percent Toyota Sienna Toyota Sienna 2010 4.4 MPG Highway Percentage 55 percent Toyota Sienna Toyota Sienna 2009 4.0 MPG Highway Percentage 83 percent Toyota Sienna Toyota Sienna 2009 6.0 MPG Highway Percentage 50 percent Toyota Sienna Toyota Sienna 2008 5.3 MPG Highway Percentage 68 percent Toyota Sienna Toyota Sienna 2008 5.7 MPG Highway Percentage 80 percent Toyota Sienna Toyota Sienna 2007 9.2 MPG Highway Percentage 46 percent Toyota Sienna Toyota Sienna 2006 8.9 MPG Highway Percentage 56 percent Toyota Sienna Toyota Sienna 2006 10.2 MPG Highway Percentage 60 percent Toyota Sienna Toyota Sienna 2005 6.4 MPG Highway Percentage 64 percent Toyota Sienna Toyota Sienna 2005 28.7 MPG Highway Percentage 63 percent Toyota Sienna Toyota Sienna 2004 8.3 MPG Highway Percentage 43 percent Toyota Sienna Toyota Sienna 2004 6.5 MPG Highway Percentage 54 percent Toyota Sienna Toyota Sienna 2003 4.8 MPG Highway Percentage 41 percent Toyota Sienna Toyota Sienna 2002 12.3 MPG Highway Percentage 39 percent Toyota Sienna Toyota Sienna 2001 23.5 MPG Highway Percentage 95 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 g/100m
2021 4dr Minivan, ext. 189-horsepower 2.5L I4 Hybrid
6-speed shiftable CVT AWD		 hills light none 0 0 5 95 70 2.9  
2015 4dr Minivan, ext. 266-horsepower 3.5L V6
6-speed shiftable automatic FWD		 hills light none 42 11 32 14 75 6.0  
2014 4dr Minivan, ext. 266-horsepower 3.5L V6
6-speed shiftable automatic FWD		 flat med hvy 4 9 22 65 75 4.9  
2013 4dr Minivan, ext. 266-horsepower 3.5L V6
6-speed shiftable automatic AWD		 flat med hvy 0 20 30 50 65 5.2  
2012 4dr Minivan, ext. 266-horsepower 3.5L V6
6-speed shiftable automatic AWD		 flat med hvy 0 5 35 60 70 4.7  
2011 4dr Minivan, ext. 266-horsepower 3.5L V6
6-speed shiftable automatic FWD		 flat med light 5 15 35 45 78 8.4  
2011 4dr Minivan, ext. 266-horsepower 3.5L V6
6-speed shiftable automatic AWD		 flat med light 4 14 34 48 70 5.3  
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2011 4dr Minivan, ext. 187-horsepower 2.7L I4
6-speed shiftable automatic FWD		 flat light hvy 0 40 40 20 100 24.8  
2010 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic FWD		 flat med hvy 27 9 9 55 70 4.4  
2009 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic FWD		 hills light none 5 3 8 83 68 4.0  
2009 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic AWD		 flat med none 0 0 50 50 60 6.0  
2008 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic FWD		 flat light light 3 10 19 68 74 5.3  
2008 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic AWD		 hills med light 0 20 0 80 70 5.7  
2007 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic FWD		 flat med light 4 17 33 46 77 9.2  
2006 4dr Minivan, ext. 215-horsepower 3.3L V6
5-speed automatic FWD		 flat light light 5 14 25 56 77 8.9  
2006 4dr Minivan, ext. 215-horsepower 3.3L V6
5-speed automatic AWD		 hills med light 4 16 20 60 75 10.2  
2005 4dr Minivan, ext. 230-horsepower 3.3L V6
5-speed automatic FWD		 flat light none 4 9 23 64 68 6.4  
2005 4dr Minivan, ext. 230-horsepower 3.3L V6
5-speed automatic AWD		 flat light light 2 28 7 63 100 28.7  
2004 4dr Minivan, ext. 230-horsepower 3.3L V6
5-speed automatic FWD		 flat light light 4 20 33 43 73 8.3  
2004 4dr Minivan, ext. 230-horsepower 3.3L V6
5-speed automatic AWD		 flat light light 12 28 6 54 72 6.5  
2003 4dr Minivan, ext. 210-horsepower 3.0L V6
4-speed automatic FWD		 flat light light 6 24 29 41 69 4.8  
2002 4dr Minivan, ext. 210-horsepower 3.0L V6
4-speed automatic FWD		 flat light none 4 19 38 39 79 12.3  
2001 4dr Minivan, ext. 210-horsepower 3.0L V6
4-speed automatic FWD		 hills med none 0 0 5 95 100 23.5  

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This page shows only averages. See all the Toyota Sienna fuel economy data.

Pontiac Grand Prix vs. Toyota Sienna Fuel Economy (g/100m)

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 Pontiac Grand Prix and Toyota Sienna's where a car was driven. So you can get an idea of their real-world g/100m based on how and where you drive a car.

See TrueDelta's information for all Sedans
See TrueDelta's information for all Pontiac models and Toyota models.

What Our Members Are Saying about the Real Gas Mileage of the Pontiac Grand Prix

Pontiac Grand Prix Real Gas Mileage: Pros
YearBody/PowertrainComment
2006 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD		 it was listed as being better than the impalla see full Pontiac Grand Prix review
2006 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD		 Good for a speedy V6 and a huge car. see full Pontiac Grand Prix review
2005 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD		 Thus far, I have averaged 23 and 26 mpg, both times have had roughly a 70 mile highway trip out of 200 miles. Overall, I find this to be acceptable. see full Pontiac Grand Prix review
2002 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD		 HORRIBLE. 12-16mpg combined with both city and driving. see full Pontiac Grand Prix review
2002 4dr Sedan supercharged 240hp 3.8L V6
4-speed automatic FWD		 BEFORE the switch to ethanol-mixed fuel, my supercharged V6 averaged 22mpg, getting 19 city and a staggering 34 highway. If you do long highway miles and want more comfort than any econo-box can offer, this is the car for you! see full Pontiac Grand Prix review
Pontiac Grand Prix Real Gas Mileage: Cons
YearBody/PowertrainComment
2006 4dr Sedan 303-horsepower 5.3L V8
4-speed shiftable automatic FWD		 Great V8 exhaust note and instant acceleration comes at the cost of about 19 mpg in combined driving, versus 25 with my new car. That is a 30% increase. (the new car is 600 pounds lighter though...) see full Pontiac Grand Prix review
2005 4dr Sedan 303-horsepower 5.3L V8
4-speed shiftable automatic FWD		 17-19 mpg in the city. 25 If I drive on the intersate. 30 is possible at 60mph. Most of my driving is in the city. The beautiful v8 makes it impossible to stay out of the gas, but it can run on REG fuel. see full Pontiac Grand Prix review
 

What Our Members Are Saying about the Real Gas Mileage of the Toyota Sienna

Toyota Sienna Real Gas Mileage: Pros
YearBody/PowertrainComment
2010 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic FWD		 This 2010 Sieanna consumes roughly 10-20% less gas than the 2007 Odyssey I used to own. see full Toyota Sienna review
2008 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic FWD		 I was impressed by the milage I get on this vehicle: around 10.7L/100km in the city and around 9L/100km on the highway. Driving with A/C on adds at least one liter per 100km see full Toyota Sienna review
2007 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic FWD		 The most fuel efficient handicap conversion van we have owned (compared to previous two vans) see full Toyota Sienna review
2007 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic FWD		 Really not bad for a vehicle this big and powerful see full Toyota Sienna review
2007 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic FWD		 Excellent for a large vehicle see full Toyota Sienna review
2007 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic FWD		 My previous van got 15 mpg with the Sienna I am getting over 20 mpg all time and 24 on highway see full Toyota Sienna review
2007 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic FWD		 very good for a V6. Average 23mpg mixed driving, 26-27mpg highway running 65-70mph. see full Toyota Sienna review
2006 4dr Minivan, ext. 215-horsepower 3.3L V6
5-speed automatic FWD		 Round trip gas mileage of 28 to 29 MPG with overall 24.4 MPG average gas mileage. see full Toyota Sienna review
2005 4dr Minivan, ext. 230-horsepower 3.3L V6
5-speed automatic FWD		 Not spetacular, but really decent see full Toyota Sienna review
2005 4dr Minivan, ext. 230-horsepower 3.3L V6
5-speed automatic FWD		 Typical unimpressive gasoline van: 21-2 mpg see full Toyota Sienna review
Toyota Sienna Real Gas Mileage: Cons
YearBody/PowertrainComment
2008 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic AWD		 Could be better see full Toyota Sienna review
2007 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic FWD		 It is fair for a minivan, but the RAV4 gets significantly better mileage because it is built on the Camry chassis. see full Toyota Sienna review
2006 4dr Minivan, ext. 215-horsepower 3.3L V6
5-speed automatic AWD		 Considerably higher than advertised see full Toyota Sienna review