Motoring Today

Audi A6 cost of ownership

Real numbers from 4 Audi A6 cars in stock — finance, VED, fuel mix and depreciation.

Reviewed by the Motoring Today Editorial team · methodology in our editorial standards.

How much does it cost to run a Audi A6?

The typical Audi A6 on Motoring Today costs around £425/mo on representative PCP/HP finance, emits ~141 g/km CO₂. Annual VED, fuel mix and total cost are itemised below.

Median price
£19,222.5
Median £/mo
£425
Median CO₂
141 g/km

With 3 Audi A6 models currently for sale on Motoring Today, ranging from 2018 to 2022, understanding the real cost of ownership is key before committing. The cheapest available cash price for a used Audi A6 starts at £13,992, or from £322 per month for a representative finance example, subject to status. These executive cars are known for their comfort and refinement, making them a popular choice for many drivers. Beyond the initial purchase price, the ongoing costs of owning a used Audi A6 include several factors. Fuel or energy costs will be a significant consideration, depending on the engine type and your typical mileage. Insurance premiums vary widely based on individual circumstances, while Vehicle Excise Duty (road tax) is determined by the car's age and emissions. Regular servicing and maintenance are essential to keep any car in good running order and ensure its longevity. Another important aspect of ownership is depreciation, the amount a car loses in value over time. While the Audi A6 generally holds its value well compared to some competitors, it's a cost that shouldn't be overlooked. This page provides tools and further details to help you calculate these expenses more precisely for your specific needs, allowing you to budget effectively for your chosen Audi A6.

Audi A6 insurance group

23–50 of 50

Median price
£19,222.5
From £13,992
Median monthly finance
£425/mo
Representative PCP/HP
Median CO₂
141 g/km
Drives ULEZ + VED
Est. depreciation
—
Vs. original list price

Fuel cost at today's prices (updated weekly)

Estimated fuel cost
£1,469 / year
Cost per mile
18.4p / mile

Typical Audi A6 running cost for a private driver at 8,000 miles/year. Based on 50 mpg official combined, adjusted ~12% for real-world driving, at today's average pump price of 179.19p/litre diesel (updated 3 Aug 2026).

Pump prices: DESNZ weekly road fuel prices; electricity: DESNZ Quarterly Energy Prices — both Open Government Licence v3.0, updated weekly/quarterly. An estimate for comparison, not a guaranteed cost; your economy, mileage and tariff will vary.

Official MPG, CO₂ & insurance by trim

Trim-level specifications for the Audi A6 (Petrol Parallel PHEV, Diesel, Petrol), across 800 recorded variants.

Performance
90–621 bhp
Power
3.2s
0–60 mph (fastest)
190 mph
Top speed
1,781–5,204 cc
Engine
Economy & running costs
0–67 mpg
Fuel economy
27–350 g/km
CO₂
£600
Road tax (VED)
23–50 of 50
Insurance group
Dimensions & practicality
4,933 mm
Length
2,086 mm
Width
1,457 mm
Height
2,912 mm
Wheelbase
1,705 kg
Weight
5
Seats
4
Doors
Euro NCAP safety
5★
Adult
4★
Child
1★
Pedestrian

The Audi A6 S6 (06-11) was tested by Euro NCAP in and received the following safety ratings:

Automatic · Manual 5 seats New from £18,674
TrimFuelPowerMPGCO₂Ins.
RS 6 TFSI Quattro GT 5dr TiptronicAutomaticPetrol621 bhp23.2 mpg27750
S6 TDI Quattro Vorsprung 4dr Tip AutoAutomaticDiesel339 bhp38.7 - 39.2 mpg18949
50 TFSI e Quattro Black Ed 5dr S Tronic [Tech]AutomaticPetrol Parallel PHEV294 bhp34.4 mpg3446
55 TFSI e Quattro Competition Vorsprung 4dr S Tron 4dAutomaticPetrol/Electric Hybrid361 bhp—3246
55 TFSI e Quattro Competition 4dr S Tronic [C + S]AutomaticPetrol Parallel PHEV361 bhp—3143
55 TFSI e Quattro Competition Vorsprung 5dr S TronAutomaticPetrol Parallel PHEV361 bhp—3547
50 TFSI e 17.9kWh Qtro Vorsprung 5dr S TronicAutomaticPetrol Parallel PHEV294 bhp—3546
50 TDI Quattro Sport 4dr Tip Auto [C+S Pack]AutomaticDiesel281 bhp40.4 - 41.5 mpg17840
45 TFSI 265 Quattro Sport 5dr S Tronic [C+S Pack]AutomaticPetrol261 bhp35.3 - 36.2 mpg17836
S6 TDI 349 Quattro Black Edition 4dr Tip AutoAutomaticDiesel344 bhp35.8 - 36.2 mpg20344
S6 TDI 344 Quattro Black Edition 4dr Tip AutoAutomaticDiesel339 bhp39.2 - 40.4 mpg18344
50 TFSI e Quattro Vorsprung 4dr S Tronic 4dAutomaticPetrol/Electric Hybrid294 bhp—4445

Manufacturer specifications aggregated across recorded trims; individual cars vary by options and age. Figures are a guide — confirm exact spec with the seller.

Annual VED (road tax) bands

CO₂ bandAnnual VEDShare of stock
Standard rate£20075%
F£22525%

Indicative standard-rate VED. Cars over £40k list price pay an additional supplement for years 2–6.

Fuel mix in stock

Diesel · 75%Petrol · 25%

Frequently asked questions

How much does it cost to run a used Audi A6?
The initial cost for a used Audi A6 starts from £13,992, or from £322 per month on finance. Beyond the purchase, you will need to budget for fuel, insurance, road tax, and regular servicing. Depreciation, though often overlooked, is also a significant ownership cost.
Is a used Audi A6 expensive to maintain?
Maintenance costs for a used Audi A6 can vary significantly depending on its age, mileage, and service history. While Audis are generally well-built, as with any premium car, parts and specialist labour can be more expensive than for some mainstream brands.
How many used Audi A6s are currently for sale?
There are 3 used Audi A6s currently available, spanning model years from 2018 to 2022.

More Audi A6 resources