answer is : bigger
here are the gears on the XE's
MT
AT
1st
3.580
3.842
2nd
2.077
2.353
3rd
1.360
1.529
4th
1.00
1.00
5th
.811
.839
rev
3.636
2.764
final drive
4.083
3.692
I didn't see anyone actually answer. A bigger gear or more teeth, will spin faster but put less stress. A smaller or less teeth will spin slower and have more stress.
here are the gears on the XE's
MT
AT
1st
3.580
3.842
2nd
2.077
2.353
3rd
1.360
1.529
4th
1.00
1.00
5th
.811
.839
rev
3.636
2.764
final drive
4.083
3.692