2025 Buick Encore GX Tire Size Factory tire sizes, bolt pattern & tire pressure
Tire Sizes
215/65R17, 225/55R18
Bolt Pattern
5x105
Offset
40-50
Tire Pressure
35/35 PSI
Tire Sizes by Trim
| Trim | Tire Size | Bolt Pattern | Pressure (F/R) |
|---|---|---|---|
| Preferred | 215/65R17 | 5x105 | 35/35 PSI |
| Sport Touring | 225/55R18 | 5x105 | 35/35 PSI |
| Avenir | 225/55R18 | 5x105 | 35/35 PSI |
Alternative Tire Sizes
These sizes are within 3% diameter of the factory 215/65R17 and may fit the 2025 Buick Encore GX.
235/65R16 Safe
0.1% · +20mm · -1" rim 235/60R17 Safe
0.3% · +20mm · same rim 205/75R16 Safe
0.4% · -10mm · -1" rim 215/70R16 Safe
0.6% · same width · -1" rim 235/55R18 Safe
0.6% · +20mm · +1" rim 225/55R18 Safe
0.9% · +10mm · +1" rim 215/75R15 Safe
1.1% · same width · -2" rim 225/60R17 Safe
1.3% · +10mm · same rim
Related Comparisons
225/55R18 vs 235/55R19 Crossover size upgrade 215/60R17 vs 225/55R18 Crossover rim upgrade 225/55R18 vs 235/55R18 Midsize SUV width upgrade 225/55R18 vs 245/50R19 SUV plus-one wider upgrade 215/65R17 vs 235/60R18 Compact SUV plus-one wider 215/65R17 vs 225/60R18 Compact SUV plus-one 215/55R18 vs 225/55R18 EV crossover width upgrade
Tire Maintenance Tips for the Buick Encore GX
Proper tire maintenance extends tire life and keeps your 2025 Buick Encore GX safe on the road. Follow these guidelines from NHTSA:
- Check tire pressure monthly — the Buick Encore GX requires 35/35 PSI (front/rear). Check when tires are cold, before driving.
- Rotate tires every 5,000–7,500 miles — this ensures even wear across all four tires, especially important for vehicles with staggered setups.
- Inspect tread depth regularly — the legal minimum is 2/32", but most experts recommend replacing tires at 4/32" for adequate wet traction.
- Check the DOT date code — tires older than 6 years should be inspected by a professional, regardless of tread depth. The 4-digit DOT code on the sidewall shows the week and year of manufacture.
Choosing Alternative Tires
When replacing tires on your 2025 Buick Encore GX, stay within 3% of the factory tire's overall diameter to avoid affecting your speedometer accuracy, ABS calibration, and traction control. The factory bolt pattern (5x105) and offset (40-50) must also match.
Always verify any alternative size with a qualified tire professional before purchase. For more information on tire safety, see the NHTSA Tire Ratings Search.