What is the load index (91) for?
The load index of 91 indicates the tyre can support a maximum load of 615 kilograms. It is crucial not to exceed this limit.
What does the speed rating (W) mean?
The W speed rating means the tyre is certified for speeds up to 270 km/h (168 mph). Using a tyre with a lower rating than your vehicle requires could invalidate insurance.
What does XL mean on this tyre?
XL stands for Extra Load. This indicates the tyre has a reinforced construction to support higher load capacities, matching the 91 load index.
Is this a summer or all-season tyre?
The Michelin Primacy 4 Plus is designed as a summer tyre, optimised for performance in warmer, wet, and dry conditions.
What vehicles is the 235/40 R18 size suitable for?
This size is commonly fitted to sporty saloons, estates, and coupes. You should always check your vehicle's handbook or tyre placard for the correct specification.
What are the key performance characteristics?
Based on manufacturer ratings, this tyre emphasises high comfort and mileage, with strong performance in wet and dry conditions.
What is included when I purchase a tyre?
Typically, you receive the tyre itself. Fitting, balancing, and new valves are usually separate services offered by fitters.