## Key Measurements
2005-2017 models:
– 12.3m/40.5′ turning circle diameter[1][2][4][5]
– acute 28º maximum turning angle[2]
– quick 16.7 steering ratio[2]
### 2025 Model Update
Tightest steering capability: 18.7 feet (11.4m full circle)[3]
## Engineering Factors https://vipercircle.com/
Power rack-and-pinion system with:
– under 3 turns full steering range[2]
– Double wishbone wheel articulation design[2][4]
Performance impact:
“1g lateral acceleration capacity enabled through 335/30ZR18″[2]
Model variations:
| ACR Model| Base Model|
|–|–|
| 12.4m turning circle[4] | 40.5′[1][5] |
| Adjustable suspension[4] | Road configuration[1] |
