tirewheelguide

1998 Fiat Seicento tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 4x98 on every 1998 trim.

Tires for the 1998 Fiat Seicento

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

  1. 155/70R13 Best-rated standard on 2 trims
    Check price on Amazon · 155/70R13
  2. 165/65R13 Best-rated standard on 1 trim · optional on 2
    Check price on Amazon · 165/65R13
  3. 185/55R14 Best-rated optional on 2 trims
    Check price on Amazon · 185/55R14

Also listed: 175/60R14 195/45R15

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Trims sold in 1998
3
Generation
187

3 trims sold in 1998

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

Fiat Seicento 187

1998–2010 3 trims
Seicento 0.9 39 hp · I4 155/70R13 75T 3 fitments
Generation
187 · 1998–2010
Power
39 hp
Engine
I4, Petrol
Center bore
58.1 mm
Bolt pattern
4x98
Thread
M12 x 1.25
Check price on Amazon · 155/70R13 Wheels 13x4.5 ET35 · 4x98 · 58.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
155/70R13 75TRim 13x4.5 ET35 4x9829 psi
165/65R13 77TRim 13x5 ET48 4x9829 psi
175/60R14 79TRim 14x5.5 ET45 4x9829 psi

How to read 75T: 75 is the load index (up to 853 lb / 387 kg per tire) and T the speed rating (up to 118 mph / 190 km/h). ET35 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

Seicento 1.1 54 hp · I4 165/65R13 77H 3 fitments
Generation
187 · 1998–2010
Power
54 hp
Engine
I4, Petrol
Center bore
58.1 mm
Bolt pattern
4x98
Thread
M12 x 1.25
Check price on Amazon · 165/65R13 Wheels 13x5 ET48 · 4x98 · 58.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
165/65R13 77HRim 13x5 ET48 4x9830 psi
185/55R14 79HRim 14x6 ET42 4x9830 psi
195/45R15 77VRim 15x6.5 ET38 4x9833 psi

How to read 77H: 77 is the load index (up to 908 lb / 412 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET48 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Seicento EV 40 hp · Electric 155/70R13 75T 3 fitments
Generation
187 · 1998–2010
Power
40 hp
Engine
Electric
Center bore
58.1 mm
Bolt pattern
4x98
Thread
M12 x 1.25
Check price on Amazon · 155/70R13 Wheels 13x4.5 ET35 · 4x98 · 58.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
155/70R13 75TRim 13x4.5 ET35 4x9829 psi
165/65R13 77TRim 13x5 ET48 4x9829 psi
185/55R14 79HRim 14x6 ET40 4x9830 psi

How to read 75T: 75 is the load index (up to 853 lb / 387 kg per tire) and T the speed rating (up to 118 mph / 190 km/h). ET35 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 1998
3
Generation
187
Other years
All years (1997–2010)

Considering a different size?

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

Open the size calculator

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