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InfinitiQ50 (2014-2019)

Used only
Large
Full hybrid

£9,651Typical price

Test score

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The Infiniti Q50 (2014-2019) is a large luxury car and a totally different proposition for Nissan's luxury brand. It's available not only in Lexus-rivalling hybrid form, but also for the first time with a 2.2-litre four-cylinder diesel engine (borrowed from Mercedes-Benz). But can it compete with this competition? Read our full 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 Infiniti 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

Jan 2024Last checked by Which?
Sept 2013First reviewed by Which?
Sept 2013Released

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

General
Class	Large
Luxury	Yes
Convertible	No
Availability	Used only
Used price	£9,651 - £13,215
Fuel type	Full hybrid
Tested fuel efficiency	39.2mpg
Length	4,800mm
Width (excluding wing mirrors)	1,820mm
Width (including wing mirrors)	2,090mm
Height	1,430mm
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	12.45 m
On sale date	01 September 2013
Lowest pence per mile cost	£16.70

Latest tested engine
Engine name	Q50S Hybrid Automatic
Fuel type	Petrol-Hybrid
Capacity and power	3.5-litre (364hp)
Transmission	7-speed automatic
Driven wheels	Rear-wheel-drive (RWD)
Fuel tank capacity	70 litres
Tested fuel economy: City / Out of town / Motorway (mpg)
Tested fuel economy: Combined (mpg)
Cost per mile	16.7p per mile
Cost of filling tank	£101
Monthly fuel cost
Annual fuel cost
NOx level	Very low
CO level	Low
CO2 at tailpipe/tank-to-wheel (TTW) (g/km)	163
Well-to-wheel (WTW) CO2 (g/km)	195
Official Euro emission level	Euro 5
Engine test date	21 February 2014
Test programme	2012-2016

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InfinitiQ50 (2014-2019)

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