AA full service
From £187
The AA says at least 10% of UK Mobile Mechanics customers paid this price or less for the specific service between 1 April and 31 May 2026. Vehicle and location affect the quote.
Current UK service price evidence for diesel cars and the extra diesel maintenance items that can affect a major-service quote.
National providers generally quote from the exact registration rather than publishing one diesel-only price. Diesel maintenance can differ because fuel filters, emissions systems and manufacturer schedules vary by engine.
AA full service
From £187
The AA says at least 10% of UK Mobile Mechanics customers paid this price or less for the specific service between 1 April and 31 May 2026. Vehicle and location affect the quote.
AA major service
From £227
The AA says at least 10% of UK Mobile Mechanics customers paid this price or less for the specific service between 1 April and 31 May 2026. Vehicle and location affect the quote.
RAC full-service average
£298.60 average quote
RAC mobile mechanic full-service quotes collected from 1 September to 30 November 2025. RAC says the quotes include parts, labour and VAT for a standard service and are indicative rather than paid invoices.
The AA's current major-service checklist includes a fuel-filter change where the vehicle has a diesel engine. Not every service package includes the same item, so compare the checklist carefully.
A diesel particulate filter or AdBlue system should not be treated as a routine service replacement just because the vehicle is diesel. Faults in those systems need diagnosis; scheduled servicing mainly helps keep the engine and emissions system operating as intended.
Many diesels with particulate filters require low-ash oil of a specific manufacturer approval. The correct oil can cost more than a generic grade, and using the wrong specification can affect emissions hardware and warranty requirements.
AutoAid can sense-check the quoted labour, service wording and any additional repair items. Use your actual garage quote rather than treating a national starting price as a target every garage must match.
Check my garage quoteOpen my Vehicle Profile →Service prices change and depend on the exact vehicle, location, provider and work due. AutoAid records the source and date checked, distinguishes starting prices from averages, and does not present these figures as a garage quotation. Always confirm the current price and service checklist before booking.