The Interior of the Perodua Alza are as follow:
| Variants | 2018 Perodua Alza 1.5 AV AT | 2018 Perodua Alza 1.5 S AT | 2018 Perodua Alza 1.5 S MT | 2018 Perodua Alza 1.5 SE AT |
| Sunroof | No | No | No | No |
| Sunshade | No | No | No | No |
| Seat Features(Front-Driver) | Manual Adjustable | Manual Adjustable | Manual Adjustable | Manual Adjustable |
| Seat Features(Passenger) | ||||
| Seat Features(Rear) | 50:50 Split-folding Middle Row, 50:50 Split-folding Last Row | 50:50 Split-folding Middle Row, 50:50 Split-folding Last Row | 50:50 Split-folding Middle Row, 50:50 Split-folding Last Row | 50:50 Split-folding Middle Row, 50:50 Split-folding Last Row |
| Cupholders | 2 Middle Row, 2 Back Row | 2 Middle Row, 2 Back Row | 2 Front, 4 Middle Row, 2 Back Row | 2 Middle Row, 2 Back Row |
| Front Air-con | Single-zone Manual Climate Control | Single-zone Manual Climate Control | Single-zone Manual Climate Control | Single-zone Manual Climate Control |
| Rear Air-con | N | N | N | N |
| Paddle Shift | N | N | N | N |
| Multi-function Steering Wheel | Y | Y | Y | Y |
| Steering Tilt | Y | Y | Y | Y |
| Steering Telescopic | N | N | N | N |
| Steering Adjustment Electric | N | N | N | N |
| Engine Start | Manual Key | Manual Key | Manual Key | Manual Key |
| Head-up Display | N | N | N | N |
