## Key Measurements
Gen II-V models:
– 40.5 feet turning circle diameter[1][2][4][5]
– acute 28º steering lock[2]
– quick 16.7 rack-and-pinion responsiveness[2]
### 2025 Model Update
Tightest steering capability: 5.7m (11.4m diameter)[3]
## Technical Context https://vipercircle.com/
Power rack-and-pinion mechanism with:
– 2.4 rotations lock-to-lock[2]
– Unequal A-arm front/rear suspension[2][4]
Performance impact:
“1g lateral acceleration capability supported by 335/30ZR18″[2]
Model variations:
| ACR Model| Standard Version|
|–|–|
| 12.4m turning circle[4] | 12.3m[1][5] |
| Race-tuned dampers[4] | Road configuration[1] |