Audi S5 Cabriolet used • 8 cars price-checked by AutoUncle

Market overviewUsed Audi S5 Cabriolet prices typically range from £9,180 to £24,999, averaging £16,163 (according to fresh market data from January). The most popular Audi S5 Cabriolet variants right now are Design, Comfort, Sport. We have identified 0 cars priced below the market. The average selling time for used Audi S5 Cabriolet is currently 45 days.

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Used (2014) Audi S5 Cabriolet Design 333 HP | Rare vehicle

3.0 TFSI V6 2dr Petrol S Tronic

  • 2014
  • 87,500 miles
  • Trim levelDesign
  • 3.0L Petrol
  • Cabriolet
  • Automatic
  • 333 HP (244 kW)
  • Details
£9,800
£10,800
Rare vehicle
Dealer
LE5 5LB Leicester, Leicestershire
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1 / 2

Used (2017) Audi S5 Cabriolet Sport 354 HP | Rare vehicle

3.0 TFSI V6 Tiptronic quattro Euro

  • 2017
  • 68,000 miles
  • Trim levelSport
  • 3.0L Petrol
  • Cabriolet
  • Automatic
  • 354 HP (260 kW)
  • Details
£18,940
Rare vehicle
Dealer
BS49 5EB Congresbury, Somerset
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Availability verified
-7%

Used (2016) Audi S5 Cabriolet Design 328 HP | Rare vehicle

S5 Quattro 2dr S Tronic

  • 2016
  • 54,736 miles
  • Trim levelDesign
  • 3.0L Petrol
  • Cabriolet
  • Automatic
  • 328 HP (241 kW)
  • Details
£14,323
£15,438
Rare vehicle
Dealer
Delivered to you
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1 / 4

Used (2013) Audi S5 Cabriolet Comfort 333 HP | Rare vehicle

3.0 TFSI V6 2dr Petrol S Tronic

  • 2013
  • 94,600 miles
  • Trim levelComfort
  • 3.0L Petrol
  • Cabriolet
  • Automatic
  • 333 HP (244 kW)
  • Details
£9,180
£8,920
Rare vehicle
Dealer
N13 5UU Palmers Green, London
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-7%
1 / 3

Used (2018) Audi S5 Cabriolet Comfort 354 HP | Rare vehicle

S5Quattro 2dr Tiptronic

  • 2018
  • 29,271 miles
  • Trim levelComfort
  • 3.0L Petrol
  • Cabriolet
  • Automatic
  • 354 HP (260 kW)
  • Details
£24,999
£26,999
Rare vehicle
Dealer
NN18 8AA Corby, Northamptonshire
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1 / 4

Used (2017) Audi S5 Cabriolet Design 354 HP | Rare vehicle

3.0 TFSI V6 2dr Petrol Tiptronic

  • 2017
  • 79,800 miles
  • Trim levelDesign
  • 3.0L Petrol
  • Cabriolet
  • Automatic
  • 354 HP (260 kW)
  • Details
£18,995
Rare vehicle
Dealer
SG19 1DH Sandy, Bedfordshire
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-30%
1 / 4

Used (2018) Audi S5 Cabriolet 354 HP | Rare vehicle

TFSI QUATTRO

  • 2018
  • 125,500 miles
  • 3.0L Petrol
  • Cabriolet
  • Automatic
  • 354 HP (260 kW)
  • Details
£13,995
£19,995
Rare vehicle
Dealer
PL2 3NH Plymouth, Devon
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1 / 4

Used (2018) Audi S5 Cabriolet Comfort 354 HP | Rare vehicle

3.0 TFSI V6 Tiptronic quattro Euro

  • 2018
  • 66,685 miles
  • Trim levelComfort
  • 3.0L Petrol
  • Cabriolet
  • Automatic
  • 354 HP (260 kW)
  • Details
£20,899
Rare vehicle
Dealer
RM6 4HJ Romford, London
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1 / 4

Used (2015) Audi S5 Cabriolet Design 333 HP | Rare vehicle

3.0 TFSI V6 2dr Petrol S Tronic

  • 2015
  • 72,042 miles
  • Trim levelDesign
  • 3.0L Petrol
  • Cabriolet
  • Automatic
  • 333 HP (244 kW)
  • Details
£12,499
Rare vehicle
Dealer
SR2 8NT Sunderland, Tyne and Wear
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Showing 1 - 9 of 9 results

How much does the Audi S5 Cabriolet depreciate?

Used Audi S5 Cabriolet

A used Audi S5 Cabriolet (2018) model loses about £247 per month in value.


Factors that affect the depreciation of a Audi S5 Cabriolet:
- Mileage driven
- Maintenance
- Service history


Depreciation is an important part of calculating the total cost of owning a Audi S5 Cabriolet. In addition to the monthly depreciation of £247, you should also factor in fuel costs, road tax, insurance and maintenance (including tyres and car washes) to get the full monthly cost.

How much does a used Audi S5 Cabriolet cost? Prices, ratings and depreciation by model year

How much does a used Audi S5 Cabriolet cost? Prices, ratings and depreciation by model year

Model year

Price range*

Avg. Price

Depreciation
(12 mth.)

Cars for sale

2018 Audi S5 Cabriolet

£13,995 - £24,999£19,964-£2,960< 10

*The 'Price range' column shows the prices at the 5th and 95th percentiles of cars in the current market

The data is based on the cars currently listed on AutoUncle

Last updated: 10 January 2026

Comparison of Audi S5 Cabriolet variants and prices

Below you can compare prices and depreciation for the 2 most popular Audi S5 Cabriolet variants. The table is updated daily with data from the market in United Kingdom.

Comparison of Audi S5 Cabriolet variants and prices

Variant

Price range*

Avg. Price

Depreciation
(12 mth.)

Cars for sale

🏆 The most popular

Audi S5 Cabriolet Comfort

£9,180 - £24,999£18,359-< 10
💰 The budget choice

Audi S5 Cabriolet Design

£9,800 - £18,995£13,765-< 10

*The 'Price range' column shows the prices at the 5th and 95th percentiles of cars in the current market

The data is based on the cars currently listed on AutoUncle

Last updated: 10 January 2026

Which variant should you choose?

💰 The budget choice

The Design is the cheapest entry point with an average price of £13,765.

Accuracy will improve as more cars from this variant become available

🏆 The most popular

There are the most Comfort for sale right now (3), which gives you the most options to choose from.

Accuracy will improve as more cars from this variant become available

Audi S5 Cabriolet (model year 2018) - Price development for the last 8 months and price projection for the next 6 months (May 2025 - June 2026)

Monthly price data with average prices and price ranges

Month

Average market price

Lowest market price

Highest market price

Calculation method

2025 - May
£25,160
£22,020£28,300
Estimate
2025 - June
£24,740
£21,520£27,960
Estimate
2025 - July
£24,320
£21,020£27,620
Estimate
2025 - August
£23,900
£20,520£27,260
Estimate
2025 - September
£23,460
£20,020£26,920
Estimate
2025 - October
£23,040
£19,520£26,580
Estimate
2025 - November
£22,620
£19,020£26,240
Estimate
2025 - December
£22,200
£18,520£25,880
Estimate
2026 - February
£21,360
--
Forecast
2026 - March
£20,940
--
Forecast
2026 - April
£20,520
--
Forecast
2026 - May
£20,100
--
Forecast
2026 - June
£19,680
--
Forecast

All estimates and forecasts are based on actual market data

Last updated: 10 January 2026

Average Monthly Depreciation

A summary of the past 12 and an estimation of the next 6 months.

Past 12 months

-£2,960

Next 6 months

-£2,520

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Looking for a used Audi S5 Cabriolet?

Are you considering getting a pre-owned large sized family car? Then the Audi S5 Cabriolet is an excellent choice. There are 17 used Audi S5 Cabriolets currently available on AutoUncle, each one sourced from an online marketplace or dealership website.

What is the price of a used Audi S5 Cabriolet?

The pricing range for a used Audi S5 Cabriolet model at AutoUncle will start at £6,495 and go up to £27,290.

The used car price of an Audi S5 Cabriolet is determined by a number of factors, the most important of which are year of production, engine size and power, fuel consumption, how many miles the car has travelled not to mention equipment.

For instance, a younger model with a lower number on the odometer, or more luxurious models with more potent engines will generally fetch a higher price than, for example, an older model with more kilometres driven or with a lower equipment level.

What equipment packages does the Audi S5 Cabriolet offer?

The Audi S5 Cabriolet presents a wide variety of trim configurations to cater to different driving tastes and requirements. The most popular ones are:

When examining the market value of a used Audi S5 Cabriolet, it's imperative to evaluate vehicles with equivalent engines and accessories. Otherwise, you might draw an inaccurate conclusion about which car to acquire.

Which fuel types does the Audi S5 Cabriolet come with?

The Audi S5 Cabriolet only exists with one fuel type and that is petrol. We currently offer seventeen cars at an average price of £17,107.

Consider your driving patterns carefully when selecting a fuel type. How many miles do you normally clock in a week? Is your driving characterized more by numerous short trips or by extended travels?

For short trips, range is rarely a limitation, so electric, plug-in hybrid or petrol can be fine. For longer daily journeys, consider an electric car, especially if you have the option to charge at home or at work. For longer daily commutes, a modern electric car is often suitable - especially if you can charge at home or at work. Despite the rise of electric cars, diesel can still be useful for long journeys and lack of charging options. It’s worth noting that diesel engines with high emissions are banned from entering cities in certain countries.

In which body styles can you buy the Audi S5 Cabriolet?

The Audi S5 Cabriolet is only available in the cabriolet body type in the UK. Cabrios and convertibles give the driving experience a new dimension. Thanks to their excellent hoods and weather gear, most models are fit for year-round use these days. Thickener is applied underneath the car to strengthen the chassis in lieu of a roof, which means that convertibles have a tendency to be heavier than normal cars.

Which cars can be an alternative to the Audi S5 Cabriolet?

The Audi S5 Cabriolet faces stiff competition within its segment.

Popular alternatives to the Audi S5 Cabriolet

  • BMW 320
  • Audi A4
  • MG ZS

With a current inventory of 3,001 available models on AutoUncle, the BMW 320 stands out as the top alternative to the Audi S5 Cabriolet. The BMW 320 comes with an average price of £19,489.

The Audi A4 is another popular choice in this segment, with 2,431 cars for sale and an average price of £15,750. Ranked third, the MG ZS is also a good alternative to the Audi S5 Cabriolet, and you'll find 2,372 used MG ZS cars for an average price of £13,992 on AutoUncle.

Searching for a greener substitute to the Audi S5 Cabriolet?

If you're considering an electric car comparable to the Audi S5 Cabriolet, here are some few recommendations:

Can't seem to locate an electric car that matches your needs? Review our entire selection of electric cars here.