2008 Saturn Astra Spare Tire
The Saturn Astra, a highly-rated compact car, comes equipped with a spare tire for emergencies. This spare tire, also often referred to as a "donut," is a compact, space-saving design that is smaller than the car's regular tires to conserve space and weight in the vehicle. The spare tire for a Saturn Astra typically measures at an average of T115/70D16 92M. It's important to note that this tire is designed for temporary use only and intended to get the driver to a safe location or a service center. It should not be driven on for extended periods, at high speeds, or in harsh weather conditions because of its limited durability and smaller size compared to the regular tires.
2008 Saturn Astra comes with 3 OEM tire size options. Select the original equipment the tire size installed on your vehicle to see all spare tires that have roughly the same tire diameter and can be used as a temporary replacement in the event of a flat tire. Remember that load carrying capacity of the spare tire must be the same or higher than the load carrying capacity of the original equipment tires in order to safely support the weight of your vehicle. Refer to vehicle owner's manual or contact Saturn dealership to confirm the correct 2008 Saturn Astra spare tire size.
225/40R18
225/40R18 tire has a diameter of 25.1". These temporary spare tires fit the acceptable tire diameter range of 24.3" to 25.9".
| Spare Size | Spare Diameter | Diameter Differential |
|---|---|---|
| T155/70D17from $175.43 | 25.6" | 2% |
| T155/60R18from $164.19 | 25.3" | 0.8% |
| T135/90R16from $155.20 | 25.6" | 2% |
| T155/70R17from $139.76 | 25.6" | 2% |
| T135/70D18from $135.05 | 25.5" | 1.6% |
| T135/80R17from $133.66 | 25.5" | 1.6% |
| T135/70R18from $131.66 | 25.5" | 1.6% |
| T125/80R17from $127.33 | 24.9" | -0.8% |
| T125/70R18from $123.33 | 24.9" | -0.8% |
| T145/70D17from $120.99 | 25" | -0.4% |
| T125/90R16from $119.73 | 24.9" | -0.8% |
| T115/95R17from $117.54 | 25.6" | 2% |
| T135/80D17from $112.58 | 25.5" | 1.6% |
| T135/80D16from $93.99 | 24.5" | -2.4% |
| T185/60D17 | 25.7" | 2.4% |
| T135/90D16 | 25.6" | 2% |
| T135/90R15 | 24.6" | -2% |
| T145/65D18 | 25.4" | 1.2% |
| T145/65R18 | 25.4" | 1.2% |
| T145/80D16 | 25.1" | 0% |
| T145/80R16 | 25.1" | 0% |
| T155/80D16 | 25.7" | 2.4% |
| T155/80R16 | 25.7" | 2.4% |
| T135/90D15 | 24.6" | -2% |
| T135/80R16 | 24.5" | -2.4% |
| T145/70R17 | 25" | -0.4% |
| T125/80D17 | 24.9" | -0.8% |
| T125/90D16 | 24.9" | -0.8% |
| T135/60D18 | 24.4" | -2.8% |
| T135/60D19 | 25.4" | 1.2% |
| T135/60R18 | 24.4" | -2.8% |
| T135/60R19 | 25.4" | 1.2% |
| T135/70D17 | 24.5" | -2.4% |
| T135/70R17 | 24.5" | -2.4% |
| T185/60R17 | 25.7" | 2.4% |
P205/55R16
P205/55R16 tire has a diameter of 24.9". These temporary spare tires fit the acceptable tire diameter range of 24.2" to 25.6".
| Spare Size | Spare Diameter | Diameter Differential |
|---|---|---|
| T155/60R18from $164.19 | 25.3" | 1.6% |
| T125/85D16from $146.92 | 24.3" | -2.4% |
| T135/70D18from $135.05 | 25.5" | 2.4% |
| T135/80R17from $133.66 | 25.5" | 2.4% |
| T135/70R18from $131.66 | 25.5" | 2.4% |
| T125/80R17from $127.33 | 24.9" | 0% |
| T125/70R18from $123.33 | 24.9" | 0% |
| T145/70D17from $120.99 | 25" | 0.4% |
| T125/90R16from $119.73 | 24.9" | 0% |
| T135/80D17from $112.58 | 25.5" | 2.4% |
| T135/80D16from $93.99 | 24.5" | -1.6% |
| T135/80R16 | 24.5" | -1.6% |
| T135/90D15 | 24.6" | -1.2% |
| T135/90R15 | 24.6" | -1.2% |
| T145/65D18 | 25.4" | 2% |
| T145/65R18 | 25.4" | 2% |
| T145/80D16 | 25.1" | 0.8% |
| T135/70R17 | 24.5" | -1.6% |
| T135/70D17 | 24.5" | -1.6% |
| T135/60R19 | 25.4" | 2% |
| T135/60R18 | 24.4" | -2% |
| T135/60D19 | 25.4" | 2% |
| T135/60D18 | 24.4" | -2% |
| T125/90D16 | 24.9" | 0% |
| T125/80D17 | 24.9" | 0% |
| T145/70R17 | 25" | 0.4% |
| T145/80R16 | 25.1" | 0.8% |
P225/45R17
P225/45R17 tire has a diameter of 25". These temporary spare tires fit the acceptable tire diameter range of 24.3" to 25.8".
| Spare Size | Spare Diameter | Diameter Differential |
|---|---|---|
| T155/70D17from $175.43 | 25.6" | 2.4% |
| T155/60R18from $164.19 | 25.3" | 1.2% |
| T135/90R16from $155.20 | 25.6" | 2.4% |
| T155/70R17from $139.76 | 25.6" | 2.4% |
| T135/70D18from $135.05 | 25.5" | 2% |
| T135/80R17from $133.66 | 25.5" | 2% |
| T135/70R18from $131.66 | 25.5" | 2% |
| T125/80R17from $127.33 | 24.9" | -0.4% |
| T125/70R18from $123.33 | 24.9" | -0.4% |
| T145/70D17from $120.99 | 25" | 0% |
| T125/90R16from $119.73 | 24.9" | -0.4% |
| T115/95R17from $117.54 | 25.6" | 2.4% |
| T135/80D17from $112.58 | 25.5" | 2% |
| T135/80D16from $93.99 | 24.5" | -2% |
| T185/60D17 | 25.7" | 2.8% |
| T135/90D16 | 25.6" | 2.4% |
| T135/90R15 | 24.6" | -1.6% |
| T145/65D18 | 25.4" | 1.6% |
| T145/65R18 | 25.4" | 1.6% |
| T145/80D16 | 25.1" | 0.4% |
| T145/80R16 | 25.1" | 0.4% |
| T155/80D16 | 25.7" | 2.8% |
| T155/80R16 | 25.7" | 2.8% |
| T135/90D15 | 24.6" | -1.6% |
| T135/80R16 | 24.5" | -2% |
| T145/70R17 | 25" | 0% |
| T125/80D17 | 24.9" | -0.4% |
| T125/90D16 | 24.9" | -0.4% |
| T135/60D18 | 24.4" | -2.4% |
| T135/60D19 | 25.4" | 1.6% |
| T135/60R18 | 24.4" | -2.4% |
| T135/60R19 | 25.4" | 1.6% |
| T135/70D17 | 24.5" | -2% |
| T135/70R17 | 24.5" | -2% |
| T185/60R17 | 25.7" | 2.8% |
All listed guides, data and/or calculations are for informational purposes only. Spare-Tires.com does not warrant or make any representations regarding the accuracy of or the results of the use of this information. Always refer to vehicle owner's manual for the correct spare tire size configuration.