## Critical Dimensions
2005-2017 models:
– 12.3m/40.5′ turning circle diameter[1][2][4][5]
– acute 28º wheel cut limit[2]
– 16.7:1 rack-and-pinion responsiveness[2]
### 2025 Model Update
Minimum turning radius: 18.7 feet (11.4m diameter)[3]
## Design Elements https://vipercircle.com/
Electrically assisted steering system with:
– under 3 turns full steering range[2]
– Double wishbone front/rear suspension[2][4]
Performance impact:
“1g lateral acceleration capability supported by massive rear tires”[2]
Model variations:
| Track Edition| Base Model|
|–|–|
| 40.6′ diameter[4] | 40.5′[1][5] |
| Race-tuned dampers[4] | Road configuration[1] |