McCormick XTX
McCormick XTX All years
6 engines covered on this shape. Pick yours for the standard figures, the gains and the price.
Other engines
6 options on the XTX All years.
- 185M 173hp (127kW) 700Nm 173hp and 700Nm standard 1 stage available
- 200M 197hp (145kW) 800Nm 197hp and 800Nm standard 1 stage available
- 185E 198hp (146kW) 700Nm 198hp and 700Nm standard 1 stage available
- 215M 204hp (150kW) 800Nm 204hp and 800Nm standard 1 stage available
- 200E 213hp (157kW) 800Nm 213hp and 800Nm standard 1 stage available
- 215E 217hp (160kW) 800Nm 217hp and 800Nm standard 1 stage available
Finding your engine
The engine size is on your V5C, and most cars carry the badge on the boot lid. Where a model was sold with several power outputs of the same engine, they are listed separately above because the files and the gains are different.
Get it wrong and nothing is lost. We check the engine against the car before we write anything to it.
Book your XTX
We write and test every file at our Aston workshop, on our own rolling road. Ring us with your reg and we will tell you what your car should make before you commit to anything.