A Opel Frontera (1990–2004) uses a 6x139.7 or 4x108 PCD and a centre bore of 108.2 or 65.1 mm.
Any wheel must match the vehicle's PCD exactly: there is no tolerance, unless you use a PCD adapter.
Centre bore: the wheel must have a centre bore of 108.2 mm or more. If it is larger (as with most aftermarket wheels), add a hub centric ring wheel centre bore → 108.2 mm.
Offset: the original is ET20 to ET38. Compare your future wheel with the offset calculator (your vehicle is already selected) to see how many millimetres further in or out it will sit.
Fixings: thread Ecrous - 12x1.50, tightened to 110 Nm. The nuts or bolts must have the same seat (conical, spherical or flat) as the wheel.
Tyres: original fitment is 205/65R16. For another size, check the diameter difference with the equivalence calculator (under 3 % recommended).
All recorded versions (2)
The original specs vary with the year, trim or wheel size. Identify your version from the tyre size marked on the sidewall.
Version
PCD
Centre bore
Wheel
Offset
Tyre
Version 1
6x139.7
108.2 mm
—
ET38
—
Version 2
4x108
65.1 mm
—
ET20
205/65R16
Will wheels from another vehicle fit your Frontera?
Choose the vehicle the wheels come from: we compare the hub, then each original wheel to the millimetre.
Which original wheels fit a Opel Frontera?
Wheel-by-wheel details (offset, tyres) for vehicles with the same hub:
These vehicles also use 6x139.7 but with a different centre bore: their wheels need a hub centric ring if their centre bore is larger than 108.2 mm, and will not fit if it is smaller.
A Opel Frontera (1990–2004) can have a 6x139.7 or 4x108 PCD depending on the version: check on an original wheel.
Does a Opel Frontera need a hub centric ring?
The centre bore (hub diameter) of a Opel Frontera is 108.2 or 65.1 mm. A wheel with a larger centre bore is fitted with a hub centric ring that brings it down to the hub diameter. A wheel with a smaller centre bore cannot be fitted.
What offset (ET) for a Opel Frontera?
The recorded original offset is ET20 to ET38 depending on the version and wheel size. A lower ET pushes the wheel outwards, a higher ET pulls it inwards: check wheel well and caliper clearance before making any change.
What tightening torque for the wheels of a Opel Frontera?
The specified tightening torque is 110 Nm for Ecrous - 12x1.50 fixings. Tighten in a criss-cross pattern with a torque wrench and check the tightness again after about fifty kilometres.
Does a value look wrong, or is a version missing? Let us know, we check every report.
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