320 or 550
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Junior Member
Joined: Mar 2005
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320 or 550
In my area diesel cost about 40-45cents more per gallon than premium..so in reality im not sure how much more economical it would between the 320CDI and the 550....any thoughts on this??
Senior Member
Joined: Nov 2007
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From: FRESNO CA
GL550
This might help. Crude is up $5.11, products up 11 cents a gallon today. Choose your priority, 550 for performance and styling or 320 for practicality.
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Joined: Sep 2007
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E55
Use this to figure out how much you would save
www.fueleconomy.gov
You can customize your driving habbits and local gas and diesel fuel costs and see how much you would save. You can compare both vehicles side by side based on yearly mileage then just divide by 12 months to see how much you save monthly. Just in fuel alone you should save 55-60 dollars a month between the two but factor in the price difference between the two and its significantly more. Its not that I can't afford gas its that I hate making time to stop to get gas.
I am in the same boat you are about deciding between the two vehicles. Every time I think I have made up my mind, something changes it. When I go to my local dealership and see 4 GL 550s sitting there all shiny I want a GL 550 but then when I see gas prices will hit 4.00 a gallon by summer I want the GL 320. The price difference between the 320 and 550 would give you almost 5 years of free diesel. I do alot of outdoors activities such as Cycling, hiking, scuba and skiing which all require long drives to the mountains or 6 hours to the ocean and fuel economy would sure make a big difference especially when you can go 500+ miles on one tank of diesel. The GL 550 sure does look pretty though. I am waiting for the 2009 models to come out before I decide.
You can customize your driving habbits and local gas and diesel fuel costs and see how much you would save. You can compare both vehicles side by side based on yearly mileage then just divide by 12 months to see how much you save monthly. Just in fuel alone you should save 55-60 dollars a month between the two but factor in the price difference between the two and its significantly more. Its not that I can't afford gas its that I hate making time to stop to get gas.
I am in the same boat you are about deciding between the two vehicles. Every time I think I have made up my mind, something changes it. When I go to my local dealership and see 4 GL 550s sitting there all shiny I want a GL 550 but then when I see gas prices will hit 4.00 a gallon by summer I want the GL 320. The price difference between the 320 and 550 would give you almost 5 years of free diesel. I do alot of outdoors activities such as Cycling, hiking, scuba and skiing which all require long drives to the mountains or 6 hours to the ocean and fuel economy would sure make a big difference especially when you can go 500+ miles on one tank of diesel. The GL 550 sure does look pretty though. I am waiting for the 2009 models to come out before I decide.
Last edited by TV550; Mar 5, 2008 at 06:08 PM.
Thread Starter
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And to compicate things a little further...i just got back from driving an 08 Porsche Cayenne Turbo..that now is in the mix as well. the new direct injection has highway miles up to 19mpg, but i know its driving at 55mph. Anybody have an 08 Cayenne Turbo or know anyone that has one
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E55
And to compicate things a little further...i just got back from driving an 08 Porsche Cayenne Turbo..that now is in the mix as well. the new direct injection has highway miles up to 19mpg, but i know its driving at 55mph. Anybody have an 08 Cayenne Turbo or know anyone that has one
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From: LA LA Land
'07 GL 450, '02 S 80 T6
Originally Posted by Trodas
08 Porsche Cayenne Turbo..that now is in the mix as well.
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Super Member
Joined: Aug 2007
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From: Spicewood, TX
2008 GL 320, 2007 Silverado LTZ C3500 Duramax Turbo Diesel
If you use the EPA's latest figures for combined driving, 14 for the 550, and 20 for the 320, and premium is $3.20, diesel would have to cost $4.57 for them to break even. I know there may be 550's getting better than 14 as well as 320's getting better than 20 combined. Mine is getting 22 combined.
You can't really compare the two from an economic standpoint.
You can't really compare the two from an economic standpoint.
Super Member
Joined: Jun 2005
Posts: 857
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From: NC
2019 Volvo XC90 Magic/Amber, '95 E320 Cabriolet Midnight,'14 GL350 Lunar/Almond was '07 GL320CDI
Just to toss in, i did buy my 320 for the great mileage, but also because that mileage allows me to use less oil and get the utility i needed. So, even if diesel continues to rise, i'd rather still be using less fuel and paying more...
Senior Member
Joined: Nov 2007
Posts: 435
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From: FRESNO CA
GL550
If you use the EPA's latest figures for combined driving, 14 for the 550, and 20 for the 320, and premium is $3.20, diesel would have to cost $4.57 for them to break even. I know there may be 550's getting better than 14 as well as 320's getting better than 20 combined. Mine is getting 22 combined.
You can't really compare the two from an economic standpoint.
You can't really compare the two from an economic standpoint.
Super Member
Joined: Aug 2007
Posts: 603
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From: Spicewood, TX
2008 GL 320, 2007 Silverado LTZ C3500 Duramax Turbo Diesel
I agree your mileage may vary. My history for 3900 miles is 16.7 mpg at an average speed of 33 mph. This is 80% city 20% highway and I have never been as low as 14 mpg in my 550. My Navigator beater is another story, 11.8 mpg for similar driving. I justify the purchase on the fuel savings.
Last edited by scottybdiving; Mar 6, 2008 at 12:37 AM.
