tirewheelguide

2018 Fiat Siena EL tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 4x98 on every 2018 trim.

Tires for the 2018 Fiat Siena EL

Sizes most trims come with first. Open your trim below for its exact size.

  1. 185/60R15 Best-rated standard on 2 trims · optional on 1
    Check price on Amazon · 185/60R15
  2. 175/65R14 Best-rated standard on 1 trim
    Check price on Amazon · 175/65R14
  3. 195/55R15 Best-rated optional on 2 trims
    Check price on Amazon · 195/55R15

Also listed: 195/50R16 185/65R14

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Trims sold in 2018
3
Generation
178

3 trims sold in 2018

Open a trim for its tire and rim sizes, bolt pattern and tire pressure.

Fiat Siena EL 178

2012–2018 3 trims
Siena EL 1.4i 86 hp · I4 Flex-Fuel 175/65R14 82T 4 fitments
Generation
178 · 2012–2018
Power
86 hp
Engine
I4 Flex-Fuel
Center bore
58.1 mm
Bolt pattern
4x98
Thread
M12 x 1.25
Check price on Amazon · 175/65R14 Wheels 14x5.5 ET44 · 4x98 · 58.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
175/65R14 82TRim 14x5.5 ET44 4x9829 psi
185/65R14 86TRim 14x5.5 ET44 4x9829 psi
185/60R15 84HRim 15x5.5 ET44 4x9829 psi
185/60R15 84HRim 15x6 ET34 4x9829 psi

How to read 82T: 82 is the load index (up to 1,047 lb / 475 kg per tire) and T the speed rating (up to 118 mph / 190 km/h). ET44 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

Siena EL 1.6i 113 hp · I4 Flex-Fuel 185/60R15 84H 4 fitments
Generation
178 · 2012–2018
Power
113 hp
Engine
I4 Flex-Fuel
Center bore
58.1 mm
Bolt pattern
4x98
Thread
M12 x 1.25
Check price on Amazon · 185/60R15 Wheels 15x5.5 ET44 · 4x98 · 58.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
185/60R15 84HRim 15x5.5 ET44 4x9829 psi
185/60R15 84HRim 15x6 ET34 4x9829 psi
195/55R15 84HRim 15x6 ET34 4x9829 psi
195/50R16 82HRim 16x6 ET34 4x9830 psi

How to read 84H: 84 is the load index (up to 1,102 lb / 500 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET44 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Siena EL 1.8i 113 hp · I4 Flex-Fuel 185/60R15 84H 4 fitments
Generation
178 · 2012–2018
Power
113 hp
Engine
I4 Flex-Fuel
Center bore
58.1 mm
Bolt pattern
4x98
Thread
M12 x 1.25
Check price on Amazon · 185/60R15 Wheels 15x5.5 ET44 · 4x98 · 58.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
185/60R15 84HRim 15x5.5 ET44 4x9829 psi
185/60R15 84HRim 15x6 ET34 4x9829 psi
195/55R15 84HRim 15x6 ET34 4x9829 psi
195/50R16 82HRim 16x6.5 ET35 4x9830 psi

How to read 84H: 84 is the load index (up to 1,102 lb / 500 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET44 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

What these columns mean
Rim size
Rim diameter × width in inches, and the factory offset (ET) in millimetres, e.g. 18x7.5 ET25.
Bolt pattern (PCD)
Number of studs and the diameter of the circle they sit on. It must match exactly.
Center bore
Diameter of the hub hole. Larger aftermarket bores need hub-centric rings.
Pressure
Recommended cold inflation pressure for that axle, in psi.
Thread size
Lug bolt or nut thread — needed when buying aftermarket fasteners.
Trims sold in 2018
3
Generation
178
Other years
All years (2012–2018)

Considering a different size?

Compare your current tire size with the one you want: diameter change, ground clearance and speedometer error.

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