The sporty size 265/40 R21 is predominantly used on large premium SUVs , performance crossovers , coupé SUVs , high-performance all-wheel drive vehicles and electric SUVs with high torque.
With a width of 265 mm and a dynamic 40 aspect ratio, this tire size offers:
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excellent lateral guidance
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Very good traction with powerful engines
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short braking distances
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precise steering responses
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high stability at motorway speeds
This tire size is commonly used on vehicles that:
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Sport and air suspension systems ,
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large brake systems ,
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increased axle loads (SUV/EV) ,
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All-wheel drive (xDrive / Quattro / 4Matic)
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performance-oriented engines
own.
Since 21-inch tires are very sensitive to concentricity and structural deviations, used models must be inspected particularly rigorously to ensure OEM-compliant performance and safety.
✔ Vehicle types that commonly use 265/40 R21
Premium SUVs & Coupé SUVs
Performance crossover
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Porsche Macan (variants)
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Audi SQ5
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BMW X4 M40i / M40d
Electric & Hybrid SUVs
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Audi e-tron / Q8 e-tron
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BMW iX (variants)
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Mercedes EQE SUV
All-wheel drive vehicles (AWD)
🔧 Technical testing criteria for used 265/40 R21 summer tires
1. Tread depth & wear pattern
The following will be checked:
2. DOT analysis & material condition
Important for SUV/EV loads:
3. Carcass & Structure Inspection
Crucial in the 21" performance class:
4. Runout & Vibration Test
Relevant for:
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smooth high-speed driving
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precise steering responses
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EV-typical smooth running
5. Load Capacity & Speed Index (LI/SI)
Important for:
6. Air tightness test
Each tire is tested for pressure loss.
🛠 Tyre44 testing procedure for used 265/40 R21 summer tires
All tires are checked for:
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digital tread depth measurement
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DOT analysis & material assessment
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Carcass and structural integrity
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Runout and vibration measurement
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Airtightness
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OEM-compliant rolling circumference values
→ Only technically flawless tires are included in the Tyre44 product range.
🧊 Summer tire offer in 265/40 R21 (used) at Tyre44
We offer:
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tested used premium summer tires
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various DOT and tread depth levels
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XL/Extra Load versions
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sporty & comfort-oriented profiles
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inexpensive alternatives to new tires
🔍 Easily select suitable used summer tires
With the Tyre44 vehicle filter
(Manufacturer → Model series → Model name)
You will receive tires that:
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are fully compatible with 265/40 R21
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Load capacity and speed indices are met
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Adhere exactly to OEM rolling circumference
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Ideally suited for premium SUVs, performance crossovers, hybrid & AWD vehicles
→ No more bad purchases.
⭐ Why Tyre44?
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Strictly tested used summer tires in size 265/40 R21
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documented DOT and tread depth information
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fast delivery throughout Europe
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High-quality brand-name tires at an attractive price
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maximum stability, efficiency & performance
Order your tested used summer tires in size 265/40 R21 now – strong, stable & performance-oriented! 🚀