Dimensions2010–2014

Infiniti Mdimensions

The current Infiniti M is 4,945 mm long, 1,845 mm wide and 1,500 mm tall, on a 2,900 mm wheelbase.

4,945mmLength
1,845mmWidth
1,500mmHeight
2,900mmWheelbase
473lBoot capacity

How the M has grown

Only one generation of this model is in our catalogue, so there is no size history to compare yet.

Interior space

The Infiniti M offers 960 mm of rear legroom and 915 mm of rear headroom, with 1,125 mm of legroom and 990 mm of headroom up front. Rear shoulder room measures 1,485 mm across.

FrontRear
Legroom1,125 mm960 mm
Headroom990 mm915 mm
Shoulder room1,525 mm1,485 mm

Interior figures are the roomiest measurement (seat fully back), taken as the median across the current generation’s variants; individual trims vary.

Frequently asked

How big is the Infiniti M?
The current Infiniti M is 4,945 mm long, 1,845 mm wide and 1,500 mm tall.
Is the M roomy in the back?
The current Infiniti M has 960 mm of rear legroom and 915 mm of rear headroom.
Is the M good for tall passengers?
Up front the current M has 990 mm of headroom and 1,125 mm of legroom.
How big is the M boot?
The current M has a boot of 473 litres with the seats up.
What is the M wheelbase?
The current M has a 2,900 mm wheelbase.
How this is measured

Exterior figures are manufacturer specifications for the M, averaged per generation across its variants and shown for the most common body style. Generations with the same size are merged. Boot capacity is the seats-up figure where the manufacturer quotes one.

Infiniti M