The Chassis of the Toyota Vios are as follow:
| Variants | 2019 Toyota Vios 1.5G | 2019 Toyota Vios 1.5E | 2019 Toyota Vios 1.5J |
| Driven Wheels | Front Wheel Drive | Front Wheel Drive | Front Wheel Drive |
| Chassis Type | Unibody | Unibody | Unibody |
| Front Suspension | MacPherson Strut | MacPherson Strut | MacPherson Strut |
| Rear Suspension | Torsion Beam | Torsion Beam | Torsion Beam |
| Adaptive Suspension | |||
| Front Tyres | 195/50R16 | 185/60R15 | 185/60R15 |
| Rear Tyres | 195/50R16 | 185/60R15 | 185/60R15 |
| Spare Tyre | Full-size 16" Alloy | Full-size 15" Steel | Full-size 15" Steel |
