2003 Fiat Idea tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 4x98 on every 2003 trim.

Tires for the 2003 Fiat Idea

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

  1. 185/65R14 Best-rated standard on 3 trims
  2. 185/60R15 Best-rated standard on 2 trims · optional on 3
  3. 195/55R16 Best-rated optional on 4 trims

Also listed: 195/55R15 205/50R16 205/45R17

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Trims sold in 2003
5
Generation
350

5 trims sold in 2003

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

Fiat Idea 350

2003–2006 5 trims
Idea 1.2i 79 hp · I4 185/65R14 86T 3 fitments
Generation
350 · 2003–2006
Power
79 hp
Engine
I4, Petrol
Center bore
58.1 mm
Bolt pattern
4x98
Thread
M12 x 1.25
Tire sizeRim size and bolt patternPressure, psi
185/65R14 86TRim 14x5.5 ET44 4x9832 psi
185/60R15 86HRim 15x6 ET40 4x9832 psi
195/55R16 85HRim 16x6 ET37 4x9833 psi

How to read 86T: 86 is the load index (up to 1,168 lb / 530 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.

Idea 1.3D 68 hp · I4 · Diesel 185/65R14 86T 3 fitments
Generation
350 · 2003–2006
Power
68 hp
Engine
I4, Diesel
Center bore
58.1 mm
Bolt pattern
4x98
Thread
M12 x 1.25
Tire sizeRim size and bolt patternPressure, psi
185/65R14 86TRim 14x5.5 ET44 4x9832 psi
185/60R15 88TRim 15x6 ET40 4x9832 psi
195/55R16 85HRim 16x6 ET37 4x9833 psi

How to read 86T: 86 is the load index (up to 1,168 lb / 530 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.

Idea 1.4i 76 hp · I4 185/65R14 86T 3 fitments
Generation
350 · 2003–2006
Power
76 hp
Engine
I4, Petrol
Center bore
58.1 mm
Bolt pattern
4x98
Thread
M12 x 1.25
Tire sizeRim size and bolt patternPressure, psi
185/65R14 86TRim 14x5.5 ET40 4x9832 psi
185/60R15 86HRim 15x6 ET40 4x9832 psi
195/55R15 87VRim 15x6.5 ET35 4x9833 psi

How to read 86T: 86 is the load index (up to 1,168 lb / 530 kg per tire) and T the speed rating (up to 118 mph / 190 km/h). ET40 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Idea 1.6TD 118 hp · I4 · Diesel 185/60R15 88H 3 fitments
Generation
350 · 2003–2006
Power
118 hp
Engine
I4, Diesel
Center bore
58.1 mm
Bolt pattern
4x98
Thread
M12 x 1.25
Tire sizeRim size and bolt patternPressure, psi
185/60R15 88HRim 15x6 ET40 4x9832 psi
195/55R16 87VRim 16x6 ET37 4x9833 psi
205/45R17 85VRim 17x7 ET35 4x9835 psi

How to read 88H: 88 is the load index (up to 1,235 lb / 560 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET40 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Idea 1.9JTD 99 hp · I4 · Diesel 185/60R15 88H 3 fitments
Generation
350 · 2003–2006
Power
99 hp
Engine
I4, Diesel
Center bore
58.1 mm
Bolt pattern
4x98
Thread
M12 x 1.25
Tire sizeRim size and bolt patternPressure, psi
185/60R15 88HRim 15x6 ET40 4x9832 psi
195/55R16 87VRim 16x6 ET37 4x9833 psi
205/50R16 85VRim 16x6.5 ET35 4x9833 psi

How to read 88H: 88 is the load index (up to 1,235 lb / 560 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET40 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 2003
5
Generation
350
Other years
All years (2003–2016)

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