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2020 Ford S-MAX Wheels & Rims: Bolt Pattern, Offset & Sizes
Fitting Ford S-MAX wheels? This page gives the 2020 Ford S-MAX bolt pattern (5x108), centre bore, factory rim size and the offset range for aftermarket and forged Ford S-MAX rims: the same spec sheet ANKUSI uses when machining forged wheels for this car.
Ford S-MAX (2020): 5x108 bolt pattern, 63.4mm center bore. Factory wheels: 17x7.5J F/R. Reference fitment ranges.
Bolt Pattern5x108
Wheel Bolt/NutM12x1.5 Nut
Center Bore63.4mm
Wheel Load Rating900–1100 kg/wheel (Van / MPV segment reference)
Year2020
CategoryMinivan
✓ 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) | 17x7.5J F/R |
| Flush Fitment | 18x8.0J at ET40 offset |
| Maximum Aggressive | 19x8.5J at ET35 offset |
Forged Wheel Designs for the Ford S-MAX
Every design below is forged to order, so it can be machined to the Ford S-MAX's 5x108 bolt pattern and 63.4 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
A minivan's wheel spec has to work across a wide load range — empty commute or full family trip. Forged construction preserves the factory's load-rating margin while cutting rotational weight, which keeps ride quality consistent across that range.
The Ford S-MAX runs a 5x108 bolt pattern, 63.4mm center bore, and a 17x7.5J, front and rear, wheel from the factory. Our Flush Fitment reference is 18x8.0J ET40, which tucks the tire under the fender lip on a stock-height Ford S-MAX. Our Maximum Aggressive reference is 19x8.5J ET35 — beyond that offset, expect rubbing against the inner fender liner under compression without further trimming.
Ford S-MAX OE Wheel Specs
The 2020 Ford S-MAX (Minivan) uses a 5x108 bolt pattern with a 63.4mm center bore. Factory wheels are 17x7.5J F/R.
Why the factory spec works for most owners:
- Balances ride comfort with everyday drivability
- A commonly used size for this vehicle class, supporting parts and tire availability
- Maintains clearance for the factory suspension and brake components
- Provides stable, predictable handling across normal driving conditions
ANKUSI builds these wheels — we are the forging factory, not a reseller. For the Ford S-MAX (2020) we drill the 5x108 pattern and cut the centre bore to 63.4mm 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 & Backspacing Reference
Backspacing is calculated as wheel width (in) ÷ 2 + offset (mm) ÷ 25.4 + 0.5 (flange allowance):
- OE: 17x7.5J ET50 → ~6.22″ backspacing
- Flush: 18x8.0J ET40 → ~6.07″ backspacing
- Max: 19x8.5J ET35 → ~6.13″ backspacing
Want to check a different width or offset before you order? Use our Offset & Backspacing Calculator to solve the numbers yourself, or looking for your exact Ford spec, or want a wheel built to a custom offset for your Ford S-MAX? Contact ANKUSI with your bolt pattern and offset target and we will confirm the correct forged wheel spec for your build.
Frequently Asked Questions
What bolt pattern (PCD) does the Ford S-MAX use?
The 2020 Ford S-MAX uses a 5x108 bolt pattern.
How many lug bolts does the Ford S-MAX use?
The Ford S-MAX uses a 5-lug bolt pattern (5x108), so you need a 5-lug forged wheel to bolt straight on.
What is the center bore size on the Ford S-MAX?
The Ford S-MAX's center bore is 63.4mm. 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 Ford S-MAX?
Factory wheels on the Ford S-MAX are 17x7.5J F/R.
What is the biggest wheel size I can fit on my Ford S-MAX without rubbing?
The most aggressive fitment we recommend without fender work is 19x8.5J at ET35 offset. Going beyond this typically causes rubbing under compression unless you roll the fenders or add camber correction.
What does a flush wheel fitment look like on the Ford S-MAX?
For a flush look with minimal to no rubbing, we recommend 18x8.0J at ET40 offset as a starting point on a stock or mildly lowered Ford S-MAX.
Do I need wheel spacers for my Ford S-MAX?
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 Ford S-MAX?
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 6.07" 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 Ford S-MAX?
The Ford S-MAX 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.
Wheel Installation Reference: Torque, Thread & TPMS
Thread & Fastener: M12x1.5, conical-seat lug nut.
Factory Torque Spec: 136 Nm (100 ft-lb). Covers most Ford passenger cars and crossovers (Fusion, Focus, Escape and similar) on M12x1.5 studs.
TPMS: TPMS (Tire Pressure Monitoring System) has been federally mandated on all new light vehicles sold in the US since the 2008 model year. If your wheels use OE-style sensors, have them transferred or cloned to the new wheels at installation.
Tire Pressure: Always set tire pressure to the value on your vehicle's tire placard (driver's doorjamb or glovebox), not the max PSI printed on the tire sidewall — this is trim- and tire-size-specific and stays the same reference point when you switch to a different wheel and tire combination.
Reference data compiled from published OEM service specifications and cross-checked against independent repair sources; always confirm against your owner's manual or door-jamb placard before installation.