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2005 Citroen C5 Wheels & Rims: Bolt Pattern, Offset & Sizes
Fitting Citroen C5 wheels? This page gives the 2005 Citroen C5 bolt pattern (4x108), centre bore, factory rim size and the offset range for aftermarket and forged Citroen C5 rims: the same spec sheet ANKUSI uses when machining forged wheels for this car.
Citroen C5 (2005): 4x108 bolt pattern, 65.1mm center bore. Factory wheels: 16x6.5J F/R. Reference fitment ranges.
Bolt Pattern4x108
Wheel Bolt/NutM12x1.25 Bolt
Center Bore65.1mm
Wheel Load Rating650–750 kg/wheel (Standard Passenger Car segment reference)
Year2005
CategorySedan
✓ 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) | 16x6.5J F/R |
| Flush Fitment | 17x7.5J at ET15 offset |
| Maximum Aggressive | 18x8.0J at ET10 offset |
Forged Wheel Designs for the Citroen C5
Every design below is forged to order, so it can be machined to the Citroen C5's 4x108 bolt pattern and 65.1 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
Most of the engineering value in a forged wheel over a cast one shows up in rotational mass, not outright strength — both can meet the same load rating, but the forged piece gets there lighter. On a sedan platform tuned for everyday balance, that weight saving is felt directly in steering response and ride quality.
The Citroen C5 runs a 4x108 bolt pattern, 65.1mm center bore, and a 16x6.5J, front and rear, wheel from the factory. Our Flush Fitment reference is 17x7.5J ET15, which tucks the tire under the fender lip on a stock-height Citroen C5. Our Maximum Aggressive reference is 18x8.0J ET10 — beyond that offset, expect rubbing against the inner fender liner under compression without further trimming.
Citroen C5 OE Wheel Specs
The 2005 Citroen C5 (Sedan) uses a 4x108 bolt pattern with a 65.1mm center bore. Factory wheels are 16x6.5J F/R.
Why the factory spec works for most owners:
- Balances ride comfort with everyday fuel efficiency
- A widely used size in this segment, so tire and wheel availability stays strong
- Keeps unsprung weight low for stable, predictable handling
- Maintains clearance for the factory brake calipers and suspension components
ANKUSI builds these wheels — we are the forging factory, not a reseller. For the Citroen C5 (2005) we drill the 4x108 pattern and cut the centre bore to 65.1mm 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: 16x6.5J ET18 → ~4.46″ backspacing
- Flush: 17x7.5J ET15 → ~4.84″ backspacing
- Max: 18x8.0J ET10 → ~4.89″ 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 Citroen spec, or want a wheel built to a custom offset for your Citroen C5? 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 Citroen C5 use?
The 2005 Citroen C5 uses a 4x108 bolt pattern.
How many lug bolts does the Citroen C5 use?
The Citroen C5 uses a 4-lug bolt pattern (4x108), so you need a 4-lug forged wheel to bolt straight on.
What is the center bore size on the Citroen C5?
The Citroen C5's center bore is 65.1mm. 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 Citroen C5?
Factory wheels on the Citroen C5 are 16x6.5J F/R.
What is the biggest wheel size I can fit on my Citroen C5 without rubbing?
The most aggressive fitment we recommend without fender work is 18x8.0J at ET10 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 Citroen C5?
For a flush look with minimal to no rubbing, we recommend 17x7.5J at ET15 offset as a starting point on a stock or mildly lowered Citroen C5.
Do I need wheel spacers for my Citroen C5?
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 Citroen C5?
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 4.84" 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 Citroen C5?
The Citroen C5 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.