Mazda 3 & 3 Fastback sizes & dimensions guide

The Mazda 3 is a smart looking, small family car available in both five-door hatchback and four-door Fastback form. Along with its good looks, it also represents great value for money compared to the similarly-sized Volkswagen Golf and Audi A3.

We’ve put together a guide with all the important dimensions to see if the Mazda 3 is the car for you. Put the Mazda 3 in our car configurator to see how much carwow could help you save.

Mazda 3 and 3 Fastback exterior dimensions

Both the hatchback and Fastback are 1,795mm wide, with the hatchback slightly taller than the Fastback. They’re taller than the Golf though, which measures 1,452mm. The hatchback is 4,465mm long, while the Fastback is marginally longer at 4,585mm.

Exterior dimensions
Length (hatchback/Fastback) 4,465mm/4,585mm
Width excluding door mirrors (hatchback/Fastback) 1,795mm/1,795mm
Wheelbase (hatchback/Fastback) 2,700mm/2,700mm
Height (hatchback/Fastback) 1,465mm/1450mm

Mazda 3 and 3 Fastback interior dimensions

Both cars are five-seaters with exactly the same dimensions (inside at least). Despite its sweeping rear end, the Fastback doesn’t lose any of the hatchback’s rear headroom. This’ll be good news if you regularly have passengers in the back.

Interior dimensions
Mazda 3 hatchback headroom (front/rear) 981mm/955mm
Mazda 3 Fastback headroom (front/rear) 981mm/955mm

Mazda 3 and 3 Fastback boot space

The hatchback’s luggage capacity is quite impressive if you compare it to similarly sized cars. With the seats up you get 364 litres – slotting between the Vauxhall Astra (351 litres) and the Volkswagen Golf (380 litres). It’s way ahead of the equally priced Ford Focus (316 litres).

The Fastback offers even more space, with 419 litres available, but it’s worth taking into consideration you won’t be able to put the seats down in this model. In two-seat mode, the commodious hatchback’s capacity goes up to 1,263 litres.

Luggage capacity
Boot space seats up (hatchback/Fastback) 364 litres/419 litres
Boot space seats down (hatchback) 1263 litres

Mazda 3 and 3 Fastback turning circle and fuel tank capacity

Both cars have the same 2,700mm wheelbase, so can turn in 11 meters. This is slightly more than the Golf, which can make a full turn in 10.9 meters. The 51-litre fuel tank means the Mazda 3 will have a good range regardless of your choice of engine.

Turning circle and fuel tank
Turning circle 11 metres
Fuel tank 51 litres

Mazda 3 and 3 Fastback weight

The Mazda weighs 1,351kg for the hatchback with the 1.5-litre petrol engine, and goes up to 1,458kg for the Fastback featuring the 2.2-litre diesel engine. This is average for the class, although it’s slightly more than the 1,264kg Focus hatchback.

Lightest (hatchback 1.5-litre petrol) 1,351kg
Heaviest (Fastback 2.2-litre diesel) 1,458kg

What next?

Read our full review of the Mazda 3 if you’d like to find out more, then head to our Mazda 3 configurator to see how much carwow could save off your new car. If you’re still browsing for your next car, use our car chooser to help you narrow down your search.

Mazda 3

Stylish family hatchback is great value
£20,395 - £24,495
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