The Chassis of the Proton X70 are as follow:
| Variants | 2020 Proton X70 1.8 Standard 2WD | 2020 Proton X70 1.8 Executive 2WD | 2020 Proton X70 1.8 Premium 2WD | 2020 Proton X70 1.8 Premium X 2WD | 2018 Proton X70 1.8 TGDI Standard 2WD | 2018 Proton X70 1.8 TGDI Premium 2WD | 2018 Proton X70 1.8 TGDI Executive AWD | 2018 Proton X70 1.8 TGDI Executive 2WD |
| Driven Wheels | Front Wheel Drive | Front Wheel Drive | Front Wheel Drive | Front Wheel Drive | Front Wheel Drive | Front Wheel Drive | All Wheel Drive | Front Wheel Drive |
| Chassis Type | Unibody | Unibody | Unibody | Unibody | Unibody | Unibody | Unibody | Unibody |
| Front Suspension | MacPherson Strut | MacPherson Strut | MacPherson Strut | MacPherson Strut | MacPherson Strut | MacPherson Strut | MacPherson Strut | MacPherson Strut |
| Rear Suspension | Multi-link | Multi-link | Multi-link | Multi-link | Multi-link | Multi-link | Multi-link | Multi-link |
| Adaptive Suspension | ||||||||
| Front Tyres | 225/65 R17 | 225/60 R18 | 225/60 R18 | 225/55 R19 | 225/65R17 | 225/55R19 | 225/60R18 | 225/60R18 |
| Rear Tyres | 225/65 R17 | 225/60 R18 | 225/60 R18 | 225/55 R19 | 225/65R17 | 225/55R19 | 225/60R18 | 225/60R18 |
| Spare Tyre | Not Full | Not Full | Not Full | Not Full | Not Full | Not Full | Not Full | Not Full |
