| Parameter | Description | Possible Values | Default Value | Required |
|---|---|---|---|---|
| {style ID} | The vehicle style ID | See the Spec: Model and Spec: Model/Year endpoints | Yes | |
| availability | Engine availability on this car | optional, standard | No | |
| name | Engine name | (see overview) | No | |
| fmt | Response format | json | json | Yes |
| api_key | vehicle api key | Yes |