Which Sierra will suit me best?

Shackle

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Dear all,

I'm new to this forum and have spitted through the internet to get some more info on my potential new car. Having said this I believe this is the place where the real experts can give me the do's and dont's.

I'm in Qatar and looking for a Sierra for going offroad in the dunes. Sand, sand and sand and then some serious dune bashing. The car can do well and is popular here.

I'm looking for:

- 2009
- 4 persons seating (extended or crew cab)
- must be V8 (did not see the V6 here anyway)
- Able to conqueror sand in large amounts
- Normal mileage for my budget is around 81.000miles(130.000kms)

Questions:

- How strong are the gearboxes? In a 2009 sierra, 5.3V8, Z71 or normal 4x4 what is used gearbox and what is their reputation?
- A 5.3V8 with 4 or 6 speed gearbox which goes once every two weeks for few hours offroad(with family so not extreme!), what is usual mileage these blocks and gearboxes can do?
- in 4x4H , is power to front and rear 50/50? In my present 4x4 I have a center differential which I lock in the dunes which gives me 50/50
- What additional advantages has the Z71 compared to a normal 4x4? Only rear differential? Is good to have for me but in normal circumstances not used. Only if I get stuck...... very stuck I might use
- Does a 2009 have weak points I better know upfront?

In other words, what type should I choose for my purpose?

Thanks for your help and sharing knowledge in advance.

Shackle.
 


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