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2026 GAC M8 PHEV L Wheels & Rims: Bolt Pattern, Offset & Sizes
Fitting GAC M8 PHEV L wheels? This page gives the 2026 GAC M8 PHEV L bolt pattern (5x120), centre bore, factory rim size and the offset range for aftermarket and forged GAC M8 PHEV L rims: the same spec sheet ANKUSI uses when machining forged wheels for this car.
Quick answer: The 2026 GAC M8 PHEV L uses a 5x120 bolt pattern with a 59.5 mm centre bore and M12x1.5 lug nuts. Factory wheels: 18x7.5J ET45. For aftermarket wheels, 19x8.5J ET35 sits flush.
Forged wheels for the 2026 GAC M8 PHEV L — drilled 5x120 with a 59.5 mm centre bore, built to the offset you choose. From $220 per wheel, made to order in 20–25 days.
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GAC M8 PHEV L (2026): 5x120 bolt pattern, 59.5mm center bore, OE 18x7.5J ET45. Forged wheel fitment specs from ANKUSI.
Bolt Pattern5x120
Wheel Bolt/NutM12x1.5 Nut
Center Bore59.5mm
Wheel Load Rating650–750 kg/wheel (Standard Passenger Car segment reference)
Caliper TypeBrembo 6-piston fixed front / 4-piston fixed rear (OEM, BMW M)
Year2026
Category5-Lug Standard Sedan
✓ Data check: the bolt pattern and center bore on this page match an independent fitment reference. Last reviewed September 18, 2026. How we verify
Wheel Size & Offset at a Glance
| Configuration | Wheel Size & Offset |
|---|---|
| Factory (OE) | 18x7.5J ET45 |
| Flush Fitment | 19x8.5J at ET35 offset |
Forged Wheel Designs for the GAC M8 PHEV L
Every design below is forged to order, so it can be machined to the GAC M8 PHEV L's 5x120 bolt pattern and 59.5 mm center bore, with the width and offset calculated for your setup.
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How to Read Wheel Offset & Measurements
Use these two references before ordering: the left diagram shows where each spec (PCD, center bore, offset, width and diameter) is measured on the wheel; the right diagram shows how positive, zero and negative offset shift the wheel face relative to the hub centerline.
ANKUSI Engineering Expert Advice
On an EV like the GAC M8 PHEV L, rotational mass at the wheel has a double cost: it works against handling the same way it would on any car, and it also drags down the range figures the factory engineered the whole platform around. A forged wheel holds the OE strength margin while cutting that rotational weight, which is a more meaningful trade-off on an EV than on a combustion vehicle of similar size.
The GAC M8 PHEV L ships from the factory on a 5x120 bolt pattern with a 59.5mm center bore and a 18x7.5J ET45 wheel. Our flush reference for the GAC M8 PHEV L is 19x8.5J ET35.; our maximum aggressive reference is 20x9J ET30. — beyond that, expect clearance issues against the fender liner without further modification.
GAC M8 PHEV L OE Wheel Specs
The GAC M8 PHEV L ships from the factory on 5x120 bolt pattern wheels with a 59.5mm center bore. The stock wheel size is 18x7.5J ET45, offering a balanced ride that suits most owners without any rubbing or clearance concerns.
Why the factory spec works for most owners:
- Balances ride comfort with steering response and highway efficiency.
- Wide tire and wheel availability at the factory diameter keeps replacement costs low.
- Lower unsprung weight than larger aftermarket wheels helps ride quality and acceleration.
- Guaranteed clearance against brake calipers and suspension components.
ANKUSI builds these wheels — we are the forging factory, not a reseller. For the GAC M8 PHEV L (2026) we drill the 5x120 pattern and cut the centre bore to 59.5mm on our own CNC line, so the wheel hub-centres on the car with no spacer rings, in whatever diameter, width and offset you specify.
Converting these ET figures to backspacing? Use the wheel offset and backspacing calculator.
The figures on this page are part of our open wheel fitment dataset — 10,093 vehicles, free to download, CC BY 4.0.
Offset and Backspacing: Factory Wheel vs Options
Backspacing ≈ width/2 + ET/25.4 + 0.5 in. "Inward" means closer to the suspension; "outward" means closer to the fender lip.
| Setup | Size | ET | Backspacing | Inward vs OE | Outward vs OE |
|---|---|---|---|---|---|
| Factory (OE) | 18x7.5J | ET45 | 6.02 in (153 mm) | — | — |
| Flush | 19x8.5J | ET35 | 6.13 in (156 mm) | +3 mm | +23 mm |
| Maximum | 20x9J | ET30 | 6.18 in (157 mm) | +4 mm | +34 mm |
Vehicles With the Same Hub as the GAC M8 PHEV L (5x120, 59.5 mm Bore)
In our database, 4 other GAC entries use exactly the same 5x120 bolt pattern and 59.5 mm center bore. Factory wheels from these cars bolt on and center on the hub without rings; offset and width still have to be checked.
5x120 is used by 10.3% of the vehicle pages in our English fitment guide (670 of 6,503); 0.7% of those also use a 59.5 mm center bore.
Hub-Centric Rings for a 59.5 mm Center Bore
A wheel with a center bore larger than 59.5 mm needs a hub-centric ring. The most common combinations:
| Wheel bore | Ring size |
|---|---|
| 60.1 mm | 60.1 → 59.5 mm |
| 63.4 mm | 63.4 → 59.5 mm |
| 64.1 mm | 64.1 → 59.5 mm |
| 65.1 mm | 65.1 → 59.5 mm |
| 73.1 mm | 73.1 → 59.5 mm |
ANKUSI forged wheels are bored to exactly 59.5 mm for this vehicle, so no ring is needed.
Frequently Asked Questions
What bolt pattern (PCD) does the GAC M8 PHEV L use?
The 2026 GAC M8 PHEV L uses a 5x120 bolt pattern.
How many lug bolts does the GAC M8 PHEV L use?
The GAC M8 PHEV L uses a 5-lug bolt pattern (5x120), so you need a 5-lug forged wheel to bolt straight on.
What is the center bore size on the GAC M8 PHEV L?
The GAC M8 PHEV L's center bore is 59.5mm. If an aftermarket wheel has a larger center bore than this, hub-centric rings are recommended so the wheel centers on the hub itself rather than relying on the lug bolts alone.
What size are the factory (stock) wheels on the GAC M8 PHEV L?
Factory wheels on the GAC M8 PHEV L are 18x7.5J ET45.
What does a flush wheel fitment look like on the GAC M8 PHEV L?
For a flush look with minimal to no rubbing, we recommend 19x8.5J at ET35 offset as a starting point on a stock or mildly lowered GAC M8 PHEV L.
Do I need wheel spacers for my GAC M8 PHEV L?
No. ANKUSI forges each wheel to your exact target offset, including the flush or max specs above, so you get the correct fitment without stacking spacers. Spacers are typically only used to push out an existing OE-offset wheel without replacing it, which isn't necessary when you're ordering a custom-offset forged wheel.
How do I calculate wheel backspacing for my GAC M8 PHEV L?
Backspacing (in inches) = wheel width (in) ÷ 2 + offset (mm) ÷ 25.4 + 0.5 (flange allowance). For example, the flush spec above works out to roughly 6.13" of backspacing.
What's the difference between wheel offset and backspacing?
Offset is the distance in millimeters from the wheel's true centerline to its mounting face (positive offset pulls the wheel in, negative pushes it out). Backspacing is the distance in inches from the mounting face to the back edge of the wheel barrel. They describe the same fitment from two different reference points, which is why ANKUSI lists both above — some shops and tuning guides quote offset, others quote backspacing.
Can I run staggered wheels (different sizes front and rear) on my GAC M8 PHEV L?
The GAC M8 PHEV L runs the same wheel size front and rear from the factory, so staggered fitment is not required. ANKUSI can still forge a staggered set (wider rear) on request if you want a more aggressive stance.
Sources and Last Update
Data checked against: avtoreference.com.
This record is part of the open ANKUSI Wheel Fitment Dataset (DOI 10.5281/zenodo.23241521, CC BY 4.0).
Other cars on the same factory size: 18x7.5 wheels · 18 inch wheels.
Compiled by the ANKUSI Wheels engineering team, an IATF 16949 and ISO 9001 certified forged wheel factory in Guangzhou.