Tire specs
- Warranty
- 60,000 miles
- Load index
- 100
- Speed rating
- V (149 mph)
- Load range
- Extra load (XL)
- Tread depth
- 11/32"
- Item #
- 2454518GOO767106673
2018 Buick Regal Sportback Preferred — 245/45R18
2018 Buick Regal Sportback Preferred
- Factory size
- 245/45R18
- Load / speed
- 96H
62 tire results
Factory-size matches for your vehicleTire specs
- Load index
- 100
- Speed rating
- H (130 mph)
- Load range
- Extra load (XL)
- Tread depth
- 10/32"
- Run-flat
- Yes
- Item #
- 2454518GOO109093395
What size tires does the 2018 Buick Regal Sportback Preferred take?
The factory tire size for the 2018 Buick Regal Sportback Preferred is 245/45R18.
The catalog lists it at load index 96, speed rating H (up to 130 mph).
This trim is also listed with P225/55R17. Check which one your vehicle has.
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| All wheels | 245/45R18 | 96 | H |
| All wheels | P225/55R17 | 95 | H |
Confirm the size printed on the sidewall of your current tire or on the tire placard in the driver's door jamb before you buy. Replacement tires should meet or exceed the vehicle's load index and speed rating.