Audi A5 Service Schedule: Intervals, Costs & What's Critical

Audi A5 service: key facts

Oil service every 10,000 miles or 1 year
Basic service costs £80–£220 depending on garage
Timing chain service: £800–£1500 — don't skip this one
1 generation from 2007 to 2021
10 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 specifies 10k miles or 12 months for Longlife service. B8	10,000 miles or 1 year	£80–£120 Dealer: £150–£220
Air filter Manufacturer interval 40k miles or 4 years. Replace more frequently in dusty conditions. Use genuine or OE equivalent filter. Check housing for cracks. B8	40,000 miles or 4 years	£25–£45 Dealer: £50–£80
Cabin pollen filter Manufacturer specifies 20k miles or 2 years. Located behind glove box. Replace more frequently if used in polluted urban areas. Affects cabin air quality and HVAC efficiency. B8	20,000 miles or 2 years	£25–£40 Dealer: £45–£70
Fuel filter Manufacturer specifies 40k miles for diesel fuel filter. Located in fuel tank on most variants. Replace more frequently if poor fuel quality suspected. Include fuel system cleaner treatment. B8	40,000 miles or 4 years	£100–£180 Dealer: £200–£350

Major service items

These are the big-ticket items. Miss them and you risk engine or gearbox damage. The costs are higher but the consequences of skipping are much worse.

Service item	Interval	Typical cost
Timing chain service No manufacturer interval but specialists recommend inspection at 100k miles. B8 · EA888, V6 TDI, 3.2 FSI, 4.2 FSI	100,000 miles or 10 years	£800–£1500 Dealer: £2500–£5000
DSG transmission fluid Manufacturer specifies 40k miles or 4 years for DSG gearboxes. Use correct VW specification fluid (G 052 182 A2 for DQ200, G 055 025 A2 for DQ250). Include filter change. Do not exceed interval. B8 · DSG equipped	40,000 miles or 4 years	£200–£300 Dealer: £400–£600

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
Spark plugs Manufacturer specifies 40k miles for standard plugs. Use correct heat range - NGK or Bosch OE specification. Replace all plugs together. Check for carbon fouling on direct injection engines. B8	40,000 miles or 4 years	£80–£150 Dealer: £180–£300
Brake fluid Manufacturer specifies 2 years regardless of mileage. Use DOT 4 brake fluid meeting VW 501 14 specification. Flush complete system. Critical safety item - do not exceed interval. B8	2 years	£60–£90 Dealer: £120–£180
Coolant flush Manufacturer specifies 80k miles or 8 years. Use G12++ coolant (VW TL 774-J). Flush system completely. Replace thermostat at same time on high-mileage cars. Critical for preventing water pump failure. B8	80,000 miles or 8 years	£100–£150 Dealer: £180–£280
DPF forced regeneration DPF regenerates automatically every 600 miles approximately during highway driving. B8	600 miles	£80–£150 Dealer: £150–£300

Known issues to watch for

The most common problems reported on the Audi A5, ranked by severity.

dangerous

Timing chain tensioner failure (B8)

The EA888 Gen1 and Gen2 engines use hydraulic timing chain tensioners that fail catastrophically between 50k-120k miles.

dangerous

Rear spring fracture (B8)

MOT data shows A5 models failing spring inspections at over 26972.7x the national fleet average, indicating a serious structural defect.

major

Excessive oil consumption (2008-2012)

EA888 Gen1 and Gen2 engines suffer from defective piston rings that allow excessive oil consumption, typically exceeding 1 litre per 1000 miles.

major

Timing chain stretch and rattle (B8 V6 TDI)

The 3.0 V6 TDI engine has its timing chain assembly located at the rear of the engine block, making access extremely difficult and expensive.

8 more known issues tracked. Check a specific car's history to see what matters for its age and mileage.

Check a Audi A5's service history

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Audi A5 service FAQs

How often should a Audi A5 be serviced?

A Audi A5 should have an oil service every 10,000 miles or 1 year, whichever comes first. Manufacturer specifies 10k miles or 12 months for Longlife service.

How much does a Audi A5 service cost?

A basic service at an independent garage typically costs £80–£120. Main dealer servicing is usually £150–£220. Major items like timing belts or gearbox services cost significantly more.

Can I service a Audi A5 at an independent garage?

Yes. Under UK consumer law, using an independent garage does not void your manufacturer warranty, provided they use parts meeting the manufacturer's specification and follow the correct schedule. However, independent services won't appear in the franchised dealer digital records.

Audi A5 Service Schedule & Costs