Hi, in your case Perodua Bezza is the best choice because it has a spacious boot space and it is fuel efficient.

Here are list of cars rejected by Grab Malaysia:
Perodua Kelisa
Perodua Viva
Perodua Kancil
Perodua Kembara
Perodua Kenari
Inokom Atos
Inokom Matrix
Naza Sutera
Renault Kangoo
Proton Wira
Proton Iswara
Proton Gen 2
Proton Savvy
Proton Satria Neo (2 Doors)
Proton Waja (Only rejected in Sabah)
Kia Spectra
Kia Picanto (Old model 2007-2010)
Honda CR-Z (2 Doors)
Hyundai Getz (Old model 2007-2010)
Hyundai i10 (Old model 2007-2010)
Chevrolet Aveo (Old model 2007-2010)
2 Doors Vehicles