Saloon · 2016–2024

AudiA4

Premium fleet saloon/Avant. S line sells; S4/RS4 are different animals. Timing chains and DSG/S tronic history matter on some engines.

Best for: Company-car and premium estate buyers.

Indicative running costs ~£2,006–£2,952 / year

Power: 150–190 hp
Economy: 50–60 mpg
Fuel: Diesel
Boot: 480–965 litres
0–60: 8.5–12.5 sec 0–60 mph
Ins. group: Grp12–28, depending on trim and power

Owner essentials

The lookups people actually search for — pressures, oil and spare status. Confirm against the V5C engine code and door sticker.

Tyre size

Commonly 205/55 R16 – 245/40 R18

Tyre pressure (cold)

Often ~32–38 PSI cold — door sticker is law for loading

Engine oil

Often VW 504/507 or Audi equivalent LongLife — match the exact approval

Oil capacity

Typically ~4–5.7 litres

Spare / puncture kit

Spare, space-saver or sealant kit — check the boot well

ULEZ

Most post-2015 Euro 6 diesels are ULEZ compliant — still check the plate on TfL

Need a PSI ↔ bar converter? Tyre pressure tool →

UK running costs

Ballpark annual ownership for a private Audi A4 at ~8,000 miles/year.

~£2,006–£2,952 / year

Cost	Indicative yearly figure
Fuel	~£879/yr @ 60 mpg, £1.45/L, 8,000 miles
Road tax	~£195/yr typical post-2017 standard rate
Insurance	£550–£1,100 (indicative)
Servicing	~£280–£440 for a typical annual service
Tyres (avg)	~£200–£360 averaged over a set

· Assumes ~8,000 private miles/year — scale up/down with your mileage.
· Insurance is the wild card: age, postcode, NCB and claims history matter more than the car alone.
· Figures are illustrative UK ballparks for planning — not quotes. Use our running-costs tool for a custom budget.

Custom running-costs calculator →Journey fuel cost →Road tax estimator →

Variants & trims

GTI / ST / R-Line / AMG Line are not the same thing — match the boot badge and V5C engine code.

5 listed

Variant	Engine	Power	Economy	Road tax
SE / Sport 2.0 TDI Diesel volume. 2.0 TDI · 50–60 mpg	2.0 TDI	150–190 hp	50–60 mpg	~£195*
35/40 TFSI Petrol. 2.0 TFSI · 40–50 mpg	2.0 TFSI	150–190 hp	40–50 mpg	~£195*
S line Looks pack. Various · 40–55 mpg	Various	150–245 hp	40–55 mpg	~£195*
S4 / RS4 Avant Performance. V6 turbo · 25–35 mpg	V6 turbo	354–450 hp	25–35 mpg	~£195*
Avant Estate. Various · 25–60 mpg	Various	150–450 hp	25–60 mpg	~£195*

*Indicative annual UK VED. Confirm on GOV.UK.

Full specifications

Engine2.0 litre

Gearbox5- or 6-speed manual; automatic varies by trim

DimensionsApprox. 4.0–4.6m long · 1.7–1.8m wide

ServiceUsually 12 months or 10,000–20,000 miles; confirm by VIN and handbook

InsuranceTypically groups 12–28, depending on trim and power

Road taxDepends on first registration date, CO₂ band and fuel type — confirm on GOV.UK

CO₂Varies by engine, gearbox and trim — check the V5C or GOV.UK vehicle enquiry

Tyre sizeCommonly 205/55 R16 – 245/40 R18

Tyre pressureOften ~32–38 PSI cold — door sticker is law for loading

OilOften VW 504/507 or Audi equivalent LongLife — match the exact approval

Oil capacityTypically ~4–5.7 litres

ULEZMost post-2015 Euro 6 diesels are ULEZ compliant — still check the plate on TfL

Buying a used A4

1Avant vs saloon
2S line ≠ S4
3Full service history for TFSI/TDI

· Confirm the exact engine code, trim and gearbox on the V5C before ordering parts
· Check the latest MOT history and advisories on GOV.UK
· Compare cold-start behaviour, warning lights and service invoices before buying

Common faults to check

Inspection prompts — not a diagnosis.

Oil leaks / timing chain on some TFSI
S tronic service neglect
Carbon build-up on petrols

Audi A4 FAQs

Is a used Audi A4 expensive to run in the UK?

As a rough guide, many owners should budget ~£2,006–£2,952 / year including fuel, tax, insurance, servicing and tyres at ~8,000 miles/year. Hotter trims and young drivers cost more.

What tyre pressure does a Audi A4 need?

Often ~32–38 PSI cold — door sticker is law for loading. Pressures change with load and wheel size — the legal reference is the sticker in the door shut or fuel flap, not the sidewall maximum.

What oil does a Audi A4 take?

Often VW 504/507 or Audi equivalent LongLife — match the exact approval. Capacity is Typically ~4–5.7 litres. Wrong oil on wet-belt / LongLife engines can be an expensive mistake — confirm by engine code in the handbook.

What are common Audi A4 problems?

Buyers most often watch for: Oil leaks / timing chain on some TFSI; S tronic service neglect. Always cross-check MOT history and a pre-purchase inspection.

Is the Audi A4 ULEZ compliant?

Most post-2015 Euro 6 diesels are ULEZ compliant — still check the plate on TfL

Owner handbook

Official Audi manuals for exact oil grades, torque figures and fuse maps. We link out; PDFs stay with the manufacturer.

Audi owner manuals ↗

Guides & tools

More Audi

A3

1.4 TFSI

S3

2.0 TFSI

A1

1.0 TFSI

Reviewed October 2026. Photos: Wikimedia Commons. Cost figures are illustrative UK planning ranges, not insurer or DVLA quotes. Manufacturer handbook and UK model-year specifications GOV.UK MOT guidance and vehicle test standards Owner and workshop inspection patterns; verify against the specific VIN