Porsche Cayman I (987)
2005–2013 5 trimsCayman 2.7 241 hp · 2.7L M 97/20 F6 205/55R17 91V / 235/50R17 96V 5 fitments
- Generation
- 987 · 2005–2013
- Power
- 241 hp
- Engine
- 2.7L M 97/20 F6, Petrol
- Center bore
- 71.6 mm
- Bolt pattern
- 5x130
- Thread
- M14 x 1.5
| Tire size | Rim size and bolt pattern | Pressure, psi |
|---|---|---|
| Front205/55R17 91V | Rim 17x6.5 ET55 | 29 psi |
| Rear235/50R17 96V | Rim 17x8 ET40 | 36 psi |
| Front205/55R17 91Y | Rim 17x6.5 ET55 | 29 psi |
| Rear235/50R17 96Y | Rim 17x8 ET40 | 36 psi |
| Front235/40R18 91Y | Rim 18x8 ET57 | 29 psi |
| Rear265/40R18 101Y | Rim 18x9 ET43 | 36 psi |
| Front235/40R18 91V | Rim 18x8 ET57 | 29 psi |
| Rear255/40R18 95V | Rim 18x9 ET43 | 36 psi |
| Front235/35R19 87Y | Rim 19x8 ET57 | 32 psi |
| Rear265/35R19 94Y | Rim 19x9.5 ET46 | 36 psi |
How to read 91V: 91 is the load index (up to 1,356 lb / 615 kg per tire) and V the speed rating (up to 149 mph / 240 km/h). ET55 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.
Cayman 2.9 261 hp · 2.9L MA120 F6 205/55R17 91V / 235/50R17 96V 6 fitments
- Generation
- 987 · 2005–2013
- Power
- 261 hp
- Engine
- 2.9L MA120 F6, Petrol
- Center bore
- 71.6 mm
- Bolt pattern
- 5x130
- Thread
- M14 x 1.5
| Tire size | Rim size and bolt pattern | Pressure, psi |
|---|---|---|
| Front205/55R17 91V | Rim 17x7 ET55 | 29 psi |
| Rear235/50R17 96V | Rim 17x8.5 ET40 | 30 psi |
| Front205/55R17 91Y | Rim 17x7 ET55 | 29 psi |
| Rear235/50R17 96Y | Rim 17x8.5 ET40 | 30 psi |
| Front235/40R18 91Y | Rim 18x8 ET57 | 29 psi |
| Rear265/40R18 101Y | Rim 18x9 ET43 | 30 psi |
| Front235/40R18 91V | Rim 18x8 ET57 | 29 psi |
| Rear255/40R18 95V | Rim 18x9 ET43 | 30 psi |
| Front235/35R19 87Y | Rim 19x8 ET57 | 32 psi |
| Rear265/35R19 94Y | Rim 19x9.5 ET46 | 33 psi |
| Front235/35R19 87Y | Rim 19x8.5 ET55 | 32 psi |
| Rear265/35R19 94Y | Rim 19x10 ET42 | 33 psi |
How to read 91V: 91 is the load index (up to 1,356 lb / 615 kg per tire) and V the speed rating (up to 149 mph / 240 km/h). ET55 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.
Cayman 3.4 S 315 hp · 3.4L MA121C F6 235/40R18 91Y 4 fitments
- Generation
- 987 · 2005–2013
- Power
- 315 hp
- Engine
- 3.4L MA121C F6, Petrol
- Center bore
- 71.6 mm
- Bolt pattern
- 5x130
- Thread
- M14 x 1.5
| Tire size | Rim size and bolt pattern | Pressure, psi |
|---|---|---|
| 235/40R18 91Y | Rim 18x9 ET43 | 29 psi |
| 235/40R18 91V | Rim 18x9 ET43 | 29 psi |
| 235/35R19 87Y | Rim 19x9.5 ET46 | 32 psi |
| 235/35R19 87Y | Rim 19x10 ET42 | 32 psi |
How to read 91Y: 91 is the load index (up to 1,356 lb / 615 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET43 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.
Cayman 3.4 S 291 hp · 3.4L M 97/21 F6 235/40R18 91Y 4 fitments
- Generation
- 987 · 2005–2013
- Power
- 291 hp
- Engine
- 3.4L M 97/21 F6, Petrol
- Center bore
- 71.6 mm
- Bolt pattern
- 5x130
- Thread
- M14 x 1.5
| Tire size | Rim size and bolt pattern | Pressure, psi |
|---|---|---|
| 235/40R18 91Y | Rim 18x9 ET43 | 29 psi |
| 235/40R18 91V | Rim 18x9 ET43 | 29 psi |
| 235/35R19 87Y | Rim 19x9.5 ET46 | 32 psi |
| 235/35R19 91Y | Rim 19x10 ET42 | 32 psi |
How to read 91Y: 91 is the load index (up to 1,356 lb / 615 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET43 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.
Cayman 3.4 S Sport 299 hp · M 97/21 F6 235/40R18 91V 4 fitments
- Generation
- 987 · 2005–2013
- Power
- 299 hp
- Engine
- M 97/21 F6, Petrol
- Center bore
- 71.6 mm
- Bolt pattern
- 5x130
- Thread
- M14 x 1.5
| Tire size | Rim size and bolt pattern | Pressure, psi |
|---|---|---|
| 235/40R18 91V | Rim 18x9 ET43 | 29 psi |
| 235/35R19 87Y | Rim 19x9.5 ET46 | 32 psi |
| 235/35R19 87Y | Rim 19x10 ET42 | 32 psi |
| 235/30R20 85Y | Rim 20x10 ET40 | 33 psi |
How to read 91V: 91 is the load index (up to 1,356 lb / 615 kg per tire) and V the speed rating (up to 149 mph / 240 km/h). ET43 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.
