WheelOffset

2008 Cadillac CTS Wheel Offset

Quick specs

Wheel size
8x17 · 8x18 · 8.5x19 · 9x19
Offset
ET48 · ET45
Backspacing
5.89 in · 6.14 in · 6.27 in
Bolt pattern
5×120
Center bore
67 mm, 66.9 mm
Thread
M14×1.5
Tire size
235/55R17 · 235/50R18 · 245/45R19 · 255/40R19

OEM configurations

ConfigurationFrontRearOffsetBackspacingTireBolt patternCenter boreThread
3.0i · 3.0L, LFW, V6, Petrol8x178.5x19ET485.89 in235/55R17 / 245/45R195x12066.9 mmM14 x 1.5
3.0i · 3.0L, LFW, V6, Petrol8x188.5x19ET485.89 in235/50R18 / 245/45R195x12066.9 mmM14 x 1.5
3.6i · 3.6L, LLT, V6, Petrol8x188.5x19ET485.89 in235/50R18 / 245/45R195x12066.9 mmM14 x 1.5
3.6i · 3.6L, LLT, V6, Petrol8x188.5x19ET485.89 in235/50R18 / 245/45R195x12066.9 mmM14 x 1.5
2.8i · 2.8L, V6, Petrol8x188.5x19ET485.89 in235/50R18 / 245/45R195x12066.9 mmM14 x 1.5

Wheels and hardware

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Lug hardware

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  • Gorilla Automotive 21133HT Small Diameter Acorn Chrome 5 Lug Kit (12mm x 1.50 Thread Size) Pack Of 20

    Confirmed vehicle catalog match. Confirm seat type for your wheel.

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  • Dorman 611-236 Wheel Nut M14-1.50 Flattop Nut - 22mm Hex, 44.5mm Length Compatible with Select Models, 10 Pack (OE Fix)

    Confirmed vehicle catalog match. Confirm seat type for your wheel.

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  • White Knight 1309-1S-20AM Chrome M14x1.50 Open-End Bulge Acorn Lug Nut, 20 Pack

    Confirmed vehicle catalog match. Confirm seat type for your wheel.

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Wheel locks

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Real-World 2008 Cadillac CTS Wheel Setups

Observed aftermarket setups from documented Modified1 builds. These are individual build records — not OEM specifications and not clearance guarantees for every vehicle.

Common custom wheel sizes

Among builds in our database for this model year:

  • 20-inch — 1 documented build

1 documented build.

2008 Cadillac CTS custom wheel setup

Staggered · 20×? / Rear unknown

Documented on a 2008 Cadillac CTS build — observed custom fitment, not a universal fit guarantee.

Wheel: Giovanna Gianelle Spezia-5

Front
20×?
Rear
—
Compared with OEM

Compared with the 18×8 ET48 OEM configuration. Calculated geometry only — not fit confirmation.

  • Diameter +2" vs OEM
View full build on Modified1

Compare your own setup

See how a different width or offset sits versus an OEM configuration for this year.

Open full fitment calculator

More specs for the 2008 Cadillac CTS

Each OEM row is a catalog configuration. Offset ranges are not collapsed when the database has exact setups. Documented aftermarket builds are observed setups only — not universal fit or clearance confirmation.