Infiniti Q30 Service Costs & Schedule (2026)

Infiniti Q30 service: key facts

Oil service every 12,500 miles or 1 year
Basic service costs £80–£220 depending on garage
1 generation from 2015 to 2019
7 tracked service items across routine, major, and periodic schedules

Routine service items

These are the items covered in a standard service. Most garages include oil, oil filter and a basic inspection. The rest are typically checked or replaced on a schedule.

Service item	Interval	Typical cost
Engine oil and filter Manufacturer interval 12,500 miles or 12 months. H15	12,500 miles or 1 year	£80–£120 Dealer: £150–£220
Air filter Manufacturer interval 25,000 miles. Turbocharged engines require clean air supply. Dirty filter reduces power and increases turbo lag. H15	25,000 miles or 2 years	£25–£40 Dealer: £50–£80
Cabin pollen filter Manufacturer interval 25,000 miles. Located behind glove box. Blocked filter causes poor cabin ventilation and HVAC strain. H15	25,000 miles or 2 years	£30–£50 Dealer: £60–£90
Fuel filter Manufacturer interval approximately 37,500 miles for diesel variants. Modern common rail systems require very clean fuel. Blocked filter causes power loss and injection system damage. H15	37,500 miles or 3 years	£60–£100 Dealer: £120–£180

Has this Infiniti Q30 been serviced on schedule?

Check the dealer service records to see if the work above was actually done.

£6.99 · Full refund if no records found

Periodic maintenance

Items that don't need doing at every service but should be on your radar at the right mileage or age.

Service item	Interval	Typical cost
Brake fluid Manufacturer interval 2 years regardless of mileage. DOT 4 specification required. Hygroscopic fluid absorbs moisture reducing braking performance and causing internal corrosion. H15	2 years	£60–£90 Dealer: £120–£180
Spark plugs Manufacturer interval approximately 50,000 miles. Turbocharged engines place higher demands on ignition system. Worn plugs cause misfiring and catalyst damage. H15	50,000 miles or 5 years	£80–£120 Dealer: £150–£220
Coolant flush Manufacturer interval approximately 75,000 miles or 6 years. MB-spec coolant required for aluminium engines. Old coolant loses anti-corrosion properties and can cause water pump and radiator failure. H15	75,000 miles or 6 years	£100–£150 Dealer: £180–£280

Known issues to watch for

The most common problems reported on the Infiniti Q30, ranked by severity.

major

Premature brake disc wear (H15)

The Q30 suffers from accelerated brake disc wear compared to the fleet average, with MOT data showing failure rates 3.8 times higher than typical.

major

Turbocharger actuator failure (H15)

The electronic turbocharger wastegate actuators on Q30 turbocharged engines (both petrol and diesel) can fail, causing loss of boost control.

minor

Suspension joint dust cover failure (H15)

The rubber dust covers protecting suspension ball joints and bushes deteriorate prematurely on the Q30, particularly on diesel variants which typically see higher mileage use.

minor

Engine management light - emissions system (H15)

Diesel Q30 models show elevated rates of MOT failure for illuminated engine management lights, occurring at Given the Mercedes-Renault platform sharing, this is likely related to EGR valve carbon build-up or diesel particulate filter issues typical of this engine family.

1 more known issues tracked. Check a specific Infiniti Q30's service records — a missed service on one of these issues could mean an expensive surprise.

Buying a used Infiniti Q30? Check its service history first.

A Q30 with a patchy service history can cost you thousands in missed timing belts, skipped oil changes, and hidden neglect. We pull the franchised dealer records — every visit, every stamp, every mileage reading — so you can see exactly what's been done and what's been skipped.

£6.99 · No records found = full refund, zero risk

Infiniti Q30 service FAQs

How often does a Infiniti Q30 need servicing?

A Infiniti Q30 needs servicing every 12,500 miles or 1 year, whichever comes first. Manufacturer interval 12,500 miles or 12 months.

What does a Infiniti Q30 service cost?

A basic service at an independent garage costs £80–£120. Main dealer servicing runs £150–£220. Major items like timing belts or gearbox services cost significantly more. Independent garages are typically 30 to 50% cheaper for the same work.

Is a Infiniti Q30 expensive to maintain?

Routine servicing starts from £80 at an independent garage, which is about average for this class of car. The bigger costs come from periodic items like timing belts, brake fluid changes, and transmission servicing. Keeping on top of the schedule avoids expensive failures.

How do I check a Infiniti Q30's service history?

You can check any Infiniti Q30's dealer service records online using just the registration number. The check retrieves every logged dealer visit, including dates, mileage, and work done, so you can see whether the schedule has been followed or if there are gaps. It costs £6.99 and you get a full refund if no records are found.

Infiniti Q30 Service Costs & Schedule