Re: Re: Don't want to start a diesel truck battle,

Posted by Diesel Vs Gas ***T_Bone on November 28, 2003 at 11:46:42 from (171.75.7.120):

In Reply to: Re: Don't want to start a diesel truck battle, but posted by Diesel Fuel Mileage****T_ on November 28, 2003 at 11:43:14:

Here is my diesel vs gas cost comparrision!

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Seams like a good time to once again get all the "myths" back to reality with some math!

If we look at actual prices and get some "good" numbers too work with then we could come up with the following list:

V10 towing 20,000lbs GCW @ 8mpg average using 5k oil changes for 10,000 total miles
Oil and filter= $16eh= $32net
Fuel $1.50gal average= $1875

PSD towing 20,000lbs GCW @ 12mpg average using 5k oil changes for 10,000 total miles
Oil and filter= $32eh= $64net
Fuel $1.50gal average= $1250

100k= PSD total fuel and oil change cost $13,140
100k= V10 total fuel and oil change cost $19,070

Diesel wins by $5930 per 100k miles
My 2K2 diesel cost $3,450 vs V10 $500= $2950 diff

$5930-$2950= $2,980 diesel savings the first 100k miles.

Assuming fuel prices will stay the same (ya right) $1.50gal for 300k miles a PSD saves $14,840 in fuel.

A V-10 cost for the same truck as spec'd below $30,900 or $.103/mile for 300k miles, I already dicounted the up-front cost of the diesel engine.

I paid $30,900 for my PSD truck so my net cost per mile is $30,900-$14,840= $16,060 or $.0535/mile for 300k miles or 1/2 the V10 cost.

Lets take it one step more. Lets say the average price of fuel, gas and diesel, in the next 5yrs averages $2.10/gal, from 5yrs to 10yrs averages $3.10/gal, using 30k total miles/yr at 70% empty and 30% towing 20,000lbs GCW, V10 8mpg towing 14mpg empty, PSD 12mpg towing 20mpg empty, then we get:

V10= empty fuel cost= $39,000
Towing fuel cost= $29,251 or $68,252 gross fuel cost for 10yrs

PSD= empty fuel cost= $27,300
Towing fuel cost= $19,500 or $46,800 gross fuel cost for 10yrs

PSD saves $21,415 in fuel cost over a V10

I have not even considered how a PSD will out pull a V10 towing 20,000lbs as to make a V10 last 300k miles one would have to tow at 60% of rated torque RPM.

The diesel wins hands down in cost and towing power no matter how you run the numbers.

T_Bone

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