Vehicle details

Vauxhall Astra1.8 VVT 138 bhp

Vauxhall
Available Services
Rev Limit removal
  • Model

    Vauxhall Astra

  • Variant

    1.8 VVT 138 bhp

  • Years

    2004-2010

  • Fuel

    Petrol

  • Engine Size

    1796

  • ECU Type

    Siemens Simtec 75

Celtic Tuning's economy software is designed to improve fuel efficiency during normal daily driving, specifically under part-throttle conditions.

It delivers a smoother power curve and improved fuel economy, though actual savings and performance gains will depend on factors such as driving style, road conditions, and vehicle load.

Original Modified Difference
138

bhp

147

bhp

+9

bhp

175

Nm

186

Nm

+11

Nm

Stage Notes

This Stage 1 ECU remap, developed by Celtic Tuning, is designed to safely improve your vehicle's power and torque whilst maintaining standard components and remaining within tolerances.

It's the perfect balance of increased power and day-to-day usability, which is ideal for those who want extra performance but not at the cost of additional hardware or reliability.