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AudiS5 Sportback (2017-2023)

Used only
Large
Petrol/Diesel/Mild hybrid

£23,318Typical price

Test score

where to buy or sell

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The Audi S5 Sportback is the sporty five-door version of the Audi A5, which is now in its second generation. Combining a practical five-door layout with a potent 354hp engine and four-wheel drive, is the S5 the perfect all-rounder? Or do rivals like the BMW 4 Series Gran Coupé beat it? Read our full Audi S5 Sportback review to find out.

pros

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cons

What's included?

What is it?
What's it great at?
What's it like to drive?
How reliable are Audi cars?
How comfortable and spacious is it?
How economical is it to run?
How safe is it?
Is there anything I should look out for?
Should I buy it?

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KEY TEST RESULTS
Comfort and practicality
Brand reliability 0-4 years

Jan 2023Last checked by Which?
Jan 2018First reviewed by Which?
Dec 2016Released

The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.

How we test cars

19 Oct 2023

Ease of driving

Overall
Visibility
Smoothness of power delivery
Driving stability
Cabin layout

How we test ease of driving

To find out how easy a car is to drive, we assess cars across a number of areas from visibility and handling to the layout of the cabin and how smoothly the engine delivers its power.

Performance

Overall
In-gear acceleration
Brakes

How we test performance

We test braking distances and whether the effectivess of the brakes fade with repeat use. Performanc is based on in-gear acceleration.

Comfort and practicality

Overall
Entry and exit
Seat comfort
Ride quality
Quietness
Seat space
Boot space (large cars, SUVs and MPVs)

How we test comfort and practicality

Comfort and practicality includes how easy it is, or not, to get in and out of the car and the maximum height of occupants. We also measure road, wind and engine noise and assess how well the car deals with bumps from large potholes to jittery surfaces like cobble stones.

Euro NCAP

How we test euro ncap

Any car that receives a rating of three stars or less from Euro NCAP is made a Don't Buy. If a car has been available for more than four years and has not been tested by Euro NCAP, it cannot be a Best Buy.

Which? safety

Brand reliability 0-4 years

Overall
Electric car reliability
Plug-in hybrid reliability
Petrol reliability
Diesel reliability

How we test brand reliability 0-4 years

Our reliability ratings are based on the feedback from tens of thousands of UK motorists, as collected in our annual Which? car survey. We divide all reliability feedback into three age groups: cars aged up to four years, five to nine years, and 10 to 15 years.

Brand reliability 5-9 years

Overall
Diesel reliability

Brand reliability 10-15 years

Overall
Petrol reliability
Diesel reliability

General
Class	Large
Luxury	No
Convertible	No
Availability	Used only
Used price	£23,318 - £45,870
Fuel type	Petrol/Diesel/Mild hybrid
Tested fuel efficiency	32.5mpg
Length	4,752mm
Width (excluding wing mirrors)	1,843mm
Width (including wing mirrors)	2,035mm
Height	1,384mm
Driver max height
Second row passenger max height
Boot space with seats up
Boot space with seats down
Number of seats	5
Folding rear seats	Yes
Isofix attachments	Yes
Turning circle	11.85 m
On sale date	01 December 2016
Lowest pence per mile cost	£20.14

Latest tested engine
Engine name	S5 Sportback Tiptronic
Fuel type	Petrol
Capacity and power	3-litre (354hp)
Transmission	8-speed automatic
Driven wheels	Four-wheel-drive (4WD)
Fuel tank capacity	58 litres
Tested fuel economy: City / Out of town / Motorway (mpg)
Tested fuel economy: Combined (mpg)
Cost per mile	20.14p per mile
Cost of filling tank	£84
Monthly fuel cost
Annual fuel cost
NOx level	Extremely Low (trace)
CO level	Low
CO2 at tailpipe/tank-to-wheel (TTW) (g/km)	203
Well-to-wheel (WTW) CO2 (g/km)	239
Official fuel economy: NEDC	36.7
Official Euro emission level	Euro 6b
Braked tow load (KG)	1900kg
Unbraked tow load (KG)	750kg
Engine test date	23 October 2017
Test programme	2017

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AudiS5 Sportback (2017-2023)

where to buy or sell