he is looking for a towing vehicle, not a 800/1600 race vehicle.. and for towing, the Allison IS far beyond the other transmissions, I drove all three brands before i made my decision (all 3 were 3/4 ton, the D max was Ext. cab, the other 2 were 4 door, all Automatics).. the results ...
Best Ride - Ford
Quietest Engine - Chevy
4x4 Lock-in quickest - Chevy
Transmission(went up and down some fairly steep hills, stopped halfway up, without a trailer) - Chevy
Cheapest $ Wise - Dodge
Most Expensive $ Wise - Ford
Cheapest Extra Warranty - Chevy($1000 extra gave a 7 year/84k mile bumper to bumper warranty)
Fastest Glow Plug warm-up - Chevy (around 50 degrees)
Dealership that seemed to want to make a good deal- Chevy