Shop Exact-Fit 2018 Buick LaCrosse Wheels & Custom Rims
Showing compatible wheels for the 2018 Buick LaCrosse (3.6i, 2.5i) matching 5x115 bolt pattern, 18, 19, and 20 inch diameters, and 8"–8.5" widths from KMC, Savini, ESR Wheels, Lexani. Filter by rim size, width, or finish and build a complete wheel & tire package.
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SEGA – 20X8.5 5×115 ET 15MM 72.6CB CHROME
SPINA – 20×8.0 5×110/115 ET 35MM 74.1CB CHROME
SPINA – 20×8.0 5×112/115 ET 35MM 74.1CB CHROME
SPINA – 20×8.0 5×115/120 ET 15MM 74.1CB CHROME
2018 Buick LaCrosse Wheel Fitment Specs: 18"–20" Rim Sizes, 8"–8.5" Widths & 5×115 PCD
Every aftermarket wheel shown above is pre-filtered for the 2018 Buick LaCrosse (III). By matching your 2018 Buick LaCrosse lug pattern (5×115), compatible rim diameters (18, 19, and 20 inch), and 8", 8.5" widths against inventory from KMC, Savini, ESR Wheels, Lexani, Azara, Weld, you can choose custom rims with confidence or build a complete 2018 Buick LaCrosse wheel and tire package.
| Specification | Verified Fitment Details |
|---|---|
| Vehicle & Year | 2018 Buick LaCrosse (III) |
| Trims Covered | 3.6i, 2.5i |
| Bolt Pattern (PCD) | 5×115 |
| Supported Diameters | 18", 19", 20" |
| Supported Widths | 8", 8.5" |
| Center Bore | 70.3 mm |
| Offset (ET) Range | ET40–ET42 |
| Verified Tire Sizes | 235/50R18 97V, 245/40ZR20 95W, 245/45ZR19 98W |
| Compatible Brands | KMC, Savini, ESR Wheels, Lexani, Azara, Weld |
2018 Buick LaCrosse Rim Sizes & Wheel Construction Guide
Popular wheel fitments include 18 inch wheels for 2018 Buick LaCrosse, 19 inch wheels for 2018 Buick LaCrosse, 20 inch wheels for 2018 Buick LaCrosse matched to 8"–8.5" widths and 5×115 bolt patterns. You can safely run cast alloy, flow-formed, or forged custom wheels from brands such as KMC, Savini, ESR Wheels, Lexani, Azara, Weld whenever bolt pattern, center bore, offset, and load rating align.
2018 Buick LaCrosse Wheel & Fitment FAQs
What is the exact wheel bolt pattern, hub bore, and lug specification for the 2018 Buick LaCrosse?
The 2018 Buick LaCrosse is engineered with a 5×115 bolt pattern and a 70.3 mm center bore and accommodates wheel diameters of 18"–20" with rim widths of 8"–8.5". Installing hub-centric wheels guarantees zero highway vibrations.
Do different 2018 Buick LaCrosse trims share the same wheel size and brake clearance?
Across 2018 Buick LaCrosse trims (3.6i, 2.5i), compatible wheels span 18"–20" in diameter and 8"–8.5" wide with offsets around ET40–ET42 (5×115 bolt pattern). Higher trims equipped with upgraded sport brakes require larger wheel diameters to clear the calipers.
What is the recommended wheel upgrade size for daily driving the 2018 Buick LaCrosse?
For daily driving, 2018 Buick LaCrosse owners commonly choose 18"–20" diameter wheels in 8"–8.5" widths with a 5×115 bolt pattern, offering sharp responsiveness while preserving factory ride comfort.
What factory and plus-sized tire sizes fit the 2018 Buick LaCrosse?
Recorded compatible tire sizes for the 2018 Buick LaCrosse include 235/50R18 97V, 245/40ZR20 95W, 245/45ZR19 98W on 18"–20" wheels. When building a package, our fitment engine confirms exact tire aspect ratios for your selected rim width.