In my use case, mud-terrain tyres would only see limited off-road mileage. That makes them noisy, heavy and unnecessary for everyday driving. Instead, I was looking for a tyre that sits between an all-terrain and a mud-terrain: aggressive enough off-road, yet still civilised and predictable on the road.
Initial Tyre Options Considered
My first shortlist included several well-known and proven options:
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Falken Wildpeak AT3
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Toyo Open Country AT3
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Kumho Road Venture MT51
On paper, all of these tyres are solid choices for mixed on- and off-road use. The real limitation, however, turned out to be availability and correct sizing. Either the tyres were not available at all, or not offered in the specific size I was targeting for the P38.
Why 265/70 R16 Makes Sense on a P38
The target tyre size for this setup was 265/70 R16.
This size offers an excellent balance for a largely standard Range Rover P38:
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Increased ground clearance compared to the factory size
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No need for body trimming or suspension modifications
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Works well with the original drivetrain and gearing
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Maintains good road manners and reliability
In practical terms, moving from the original ~29-inch tyre to a ~31-inch tyre noticeably improves off-road capability without introducing the downsides that come with oversized tyres.
If you want to verify how different tyre sizes translate to real-world diameter, clearance and speedometer deviation, you can use my P38 Tyre Size Calculator here:
👉 P38 Range Rover Tire size calculator page
Final Choice: Cooper Discoverer S/T Maxx
After searching for quite a while, I eventually found a tyre that ticked all the boxes:
Cooper Discoverer S/T Maxx – 265/70 R16 121/118Q, 10PR, M+S, POR
This tyre sits firmly in the aggressive all-terrain category and is clearly aimed at heavier vehicles like the P38. Key characteristics include:
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Strong and predictable off-road traction
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Reinforced carcass and sidewalls
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Excellent durability for mixed on- and off-road use
While it’s technically still an all-terrain tyre, it’s very much on the tougher end of the spectrum — which is exactly what I was looking for on a heavy 4x4 like the Range Rover P38.
Fitment and Expected Results
The tyres will be mounted on the original 16-inch alloy wheels, which will first be painted black to complete the overall look.
This setup should provide:
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A clear improvement in off-road capability
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No negative impact on drivability or comfort
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A clean, factory-plus appearance
Overall, it’s a well-balanced upgrade that suits how the P38 is actually used, rather than chasing tyre sizes or specifications for the sake of it.
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