tirewheelguide

2005 Cadillac CTS tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x115 on every 2005 trim.

Tires for the 2005 Cadillac CTS

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

  1. 225/55R16 Best-rated standard on 7 trims · optional on 1 · Europe, USA
    Check price on Amazon · 225/55R16
  2. 225/50R17 front + 245/45R17 rear Best-rated standard on 1 trim · USA
    Check price on Amazon · 225/50R17 front Check price on Amazon · 245/45R17 rear
  3. 225/50R17 Best-rated optional on 8 trims · Europe, USA
    Check price on Amazon · 225/50R17

Also listed: 225/45R18 245/40R18 255/35R19 235/40R19 225/45R18 + 255/40R18 225/40R19 + 255/35R19 235/35R19

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Trims sold in 2005
8
Generation
GM Sigma I sold in 2 market versions

8 trims sold in 2005

Sold in 2 market versions with different tire sizes. Open a trim for its tire and rim sizes, bolt pattern and tire pressure. Trims with the same tires and wheels share a row.

Cadillac CTS GM Sigma I

2003–2007 8 trims

Europe

6 trims
CTS 2.6i +1 variant 178 hp · 2.6L LY9 V6 225/55R16 94H 4 fitments

2 versions of this trim share these tires and wheels.

Generation
GM Sigma I · 2003–2007
Market
Europe
Power
178 hp
Engine
2.6L LY9 V6, Petrol
Center bore
70.3 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Check price on Amazon · 225/55R16 Wheels 16x7 ET51 · 5x115 · 70.3 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
225/55R16 94HRim 16x7 ET51 5x11533 psi
225/50R17 93VRim 17x7.5 ET51 5x11533 psi
225/45R18 92VRim 18x7.5 ET50 5x11536 psi
235/40R19 91WRim 19x8 ET45 5x11536 psi

How to read 94H: 94 is the load index (up to 1,477 lb / 670 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET51 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

CTS 2.8i 212 hp · 2.8L LP1 V6 225/55R16 94H 4 fitments
Generation
GM Sigma I · 2003–2007
Market
Europe
Power
212 hp
Engine
2.8L LP1 V6, Petrol
Center bore
70.3 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Check price on Amazon · 225/55R16 Wheels 16x7 ET51 · 5x115 · 70.3 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
225/55R16 94HRim 16x7 ET51 5x11533 psi
225/50R17 93VRim 17x7.5 ET51 5x11533 psi
225/45R18 92VRim 18x7.5 ET50 5x11536 psi
235/35R19 91WRim 19x8 ET45 5x11538 psi

How to read 94H: 94 is the load index (up to 1,477 lb / 670 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET51 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

CTS 3.2i +1 variant 220 hp · 3.2L LA3 V6 225/55R16 94H 4 fitments

2 versions of this trim share these tires and wheels.

Generation
GM Sigma I · 2003–2007
Market
Europe
Power
220 hp
Engine
3.2L LA3 V6, Petrol
Center bore
70.3 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Check price on Amazon · 225/55R16 Wheels 16x7 ET51 · 5x115 · 70.3 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
225/55R16 94HRim 16x7 ET51 5x11533 psi
225/50R17 93VRim 17x7.5 ET51 5x11533 psi
245/40R18 92VRim 18x8 ET45 5x11536 psi
255/35R19 92WRim 19x9 ET43 5x11538 psi

How to read 94H: 94 is the load index (up to 1,477 lb / 670 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET51 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

CTS 3.6i 253 hp · 3.6L LY7 V6 225/55R16 94H 4 fitments
Generation
GM Sigma I · 2003–2007
Market
Europe
Power
253 hp
Engine
3.6L LY7 V6, Petrol
Center bore
70.3 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Check price on Amazon · 225/55R16 Wheels 16x7 ET51 · 5x115 · 70.3 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
225/55R16 94HRim 16x7 ET51 5x11533 psi
225/50R17 93VRim 17x7.5 ET51 5x11533 psi
245/40R18 92VRim 18x8 ET46 5x11536 psi
255/35R19 92WRim 19x8.5 ET43 5x11538 psi

How to read 94H: 94 is the load index (up to 1,477 lb / 670 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET51 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

USA

2 trims
CTS 2.8i 207 hp · 2.8L LP1 V6 225/55R16 94H 5 fitments
Generation
GM Sigma I · 2003–2007
Market
USA
Power
207 hp
Engine
2.8L LP1 V6, Petrol
Center bore
70.3 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Check price on Amazon · 225/55R16 Wheels 16x7 ET51 · 5x115 · 70.3 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
225/55R16 94HRim 16x7 ET51 5x11533 psi
225/50R17 93VRim 17x7.5 ET51 5x11533 psi
225/45R18 93VRim 18x7.5 ET50 5x11536 psi
245/40R18 92VRim 18x8 ET45 5x11536 psi
255/35R19 92WRim 19x8.5 ET43 5x11538 psi

How to read 94H: 94 is the load index (up to 1,477 lb / 670 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET51 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

CTS 3.6i 247 hp · 3.6L LY7 V6 225/50R17 93V / 245/45R17 95V 5 fitments
Generation
GM Sigma I · 2003–2007
Market
USA
Power
247 hp
Engine
3.6L LY7 V6, Petrol
Center bore
70.3 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Check price on Amazon · 225/50R17 Check price on Amazon · 245/45R17 Wheels 17x7.5 ET51 · 5x115 · 70.3 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front225/50R17 93VRim 17x7.5 ET51 5x11533 psi
Rear245/45R17 95VRim 17x8 ET48 5x11533 psi
Front225/45R18 93VRim 18x7.5 ET50 5x11533 psi
Rear255/40R18 95VRim 18x8.5 ET50 5x11533 psi
Front225/40R19 92WRim 19x8 ET45 5x11533 psi
Rear255/35R19 94WRim 19x9 ET45 5x11536 psi
225/55R16 94VRim 16x7 ET51 5x11533 psi
225/50R17 94HRim 17x7.5 ET51 5x11533 psi

How to read 93V: 93 is the load index (up to 1,433 lb / 650 kg per tire) and V the speed rating (up to 149 mph / 240 km/h). ET51 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.
Staggered
A wider tire on the rear axle than the front. Front-to-back rotation is not possible.
Thread size
Lug bolt or nut thread — needed when buying aftermarket fasteners.
Trims sold in 2005
8
Generation
GM Sigma I sold in 2 market versions
Other years
All years (2002–2019)

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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