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I used the GM Buy Power site to locate the vehicle:http://www2.gmbuypower.com/app/gmbp/us/en/gmbp/gmbp/stage.thtmlYou can even view the window sticker!
After 30 minutes or searching by city name, I found 5 of the EXACT truck I wanted. This is where the fun started. I then proceeded to call the dealers, asking for the internet salesman. I then told them MY deal - I'm calling 5 dealers, the first one to accept $500 over dealer invoice (which I found on Edmunds.com and carsdirect.com) gets the sale - take it or leave it.
The 2nd one took it. The 3rd, 4th and 5th were given the opportunity to better it, which they would not.
Absolutely the best car buy experience I've ever had. The dealer even called me a week after delivery to make sure I was satisfied.
I rarely needed more than 3,000 rpms to move my K1500 Suburbans ('94, '97, '99 & '01)along, even when towing a 4500# boat trailer in the Missouri Ozarks.
So...... I suggest you think about your normal use of the truck. If you're like me, the power output in the 2000 to 3000 rpm band is what's important; i.e., ability to hold highway speed without excessive downshifting.
Based on torque/HP curves on the GM Powertrain Website; http://www.gmpowertrain.com/the 4.8L engine produces 270 ft-lb of torque at 2500 rpm. At the same RPM, the 5.3L produces 300 ft-lb (an 11% increase over the 4.8) and the 5.7 produces 320 ft-lb, an 18% increase over the 4.8).
I've not driven a 4.8, but I definitely notice the lower torque (pulling & speed holding power) of my 5.3L'01 compared to my 5.7L'99.... even though the 5.3L is rated 30 hp HIGHER.
I NEVER use the high end of the rpm band where the greater HP lives. So........... don't make up your mind on max rated HP stats alone.
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