Performance
With respect to horsepower, the Hyundai Santa Fe packs quite a wallop and will knock the Tucson down a few rungs. On the other hand, note that high horsepower engines often command higher insurance premiums.
Handling
With their similar turning circles, the Hyundai Tucson and the Santa Fe quite certainly handle about the same into and out of tight spots.
Drivetrain
The Hyundai Santa Fe's engine is significantly bigger than the Hyundai Tucson's. Keep in mind that bigger engines may use more gasoline than smaller ones.
Torque is the force that lets you accelerate quickly, and in this respect, the Hyundai Santa Fe is substantially more powerful than the Hyundai Tucson.
Torque equals pickup, and the Hyundai Santa Fe will have picked up and gone by the time the Tucson finally gets moving.
Utility
The Santa Fe will definitely prove handier than the Hyundai Tucson for those of you with frequent kid-cargo.
The Santa Fe outpulls the Hyundai Tucson by a massive margin.
Convenience
You will quite certainly have to visit your friendly gas station more often with the Hyundai Tucson than with the Hyundai Santa Fe.
Comfort
While the front cabin in the Tucson offers a bit more head room than the Hyundai Santa Fe, there honestly isn't much of a difference.
The Hyundai Santa Fe is not particularly more spacious for your passengers than the Hyundai Tucson.
Dimensions
Your wallet will hurt more every time you fill up the Hyundai Santa Fe than the Tucson because of its larger tank.
The Hyundai Tucson and the Hyundai Santa Fe compete for the same parking spaces.
Cost
The Hyundai Santa Fe doesn't pale in comparison to the Hyundai Tucson in terms of fuel economy.
The Hyundai Santa Fe won't save you much money at the pump compared to the Hyundai Tucson.
Regarding MSRP, the Hyundai Santa Fe costs substantially more than the Hyundai Tucson.
Warranty
The Santa Fe and the Hyundai Tucson have the same basic warranty.