Take advantage of these limited-time promotions on our mobile mechanic services in High Wycombe and surrounding areas. Subscribe to our newsletter to be the first to know about future deals!
Winter Prep Offers Active!
Save on essential winter services below. Beat the cold weather rush - battery checks, tyre fitting, and diagnostics at special prices. Limited time offers!
£10 OFF Mobile tyre fitting
Get £10 off our standard mobile tyre fitting service. We'll come to your location in High Wycombe and fit new tyres at your convenience.
Regular Price: £50
Offer Price: £40
Valid Until: May 31, 2025
* Limited to one tyre per customer. Additional tyres at standard rates.
Free Battery Health Check
Book any repair service and receive a comprehensive battery health check completely free of charge.
Regular Price: £25
Offer Price: FREE with any repair
Valid Until: Ongoing
* Must be requested at time of booking. One free check per customer per repair service.
£20 OFF First Diagnostic Service
First-time customers can get £20 off our comprehensive mobile diagnostic service. We'll identify any issues with your vehicle at your location.
Regular Price: £60
Offer Price: £40
Valid Until: June 30, 2025
* New customers only. Cannot be combined with other offers. One per household.
What Customers Say About Our Services
"I used their tyre fitting offer last month and not only did I save money, but the service was exceptional. The mechanic arrived on time, was extremely professional, and had me back on the road in no time. Will definitely use FastFix again!"
How Much Customers Save
£10-£20
Average savings per service
£150+
Annual savings for regular customers
98%
Customer satisfaction rate
General Terms & Conditions
- All offers subject to availability and cannot be combined with other promotions unless specifically stated.
- Offers valid for services within our service area in High Wycombe and surrounding areas.
- FastFix Auto reserves the right to modify or withdraw offers at any time.
- Discounts apply to labor and specified services only, not parts unless explicitly stated.
- For complete terms and conditions, please see our Terms & Conditions page.