Michelin Defender LTX MS2 vs Westlake SU318 HT: The Michelin Defender LTX M/S2 represents the safe, premium benchmark for truck and SUV owners — while the Westlake SU318 HT comes in as the cheap challenger asking an uncomfortable question: are you really paying for better performance, or just the badge? In this comparison, we find out whether Michelin’s reputation is still worth the extra money, or whether the budget tire has finally become good enough.
Table of Contents
Results: General Grabber HT vs Michelin Defender LTX MS2
Results below were taken from the Tyre Review’s “Best HT All Season Tyres for 2026 Test. A total of 7 tires were tested this time around. The graph below shows the comparison between Michelin Defender LTX MS2 vs Westlake SU318 HT based on the relevant performance category. The Michelin Defender LTX MS2 was set as a reference hence at the 100% mark. Note that for subjective evaluation, we equate 1 point as 5%. Hence for example if tire A is graded 7 while tire B is graded 6, A is better than B by 5%.
The tire size of interest is 265/65 R18 which is a common tire size for Toyota Hillux. You can check out our latest tire size table for more information. The testing vehicle is a Ford Raptor.
Wet
In wet braking, the Michelin Defender LTX M/S2 stopped in 195.0 ft, while the Westlake SU318 HT needed 196.0 ft, so Michelin was shorter by 1.0 ft, with Westlake at 99%, or 1% behind Michelin. In wet handling, Michelin completed the lap in 82.12 seconds, while Westlake took 84.70 seconds, making Michelin faster by 2.58 seconds, with Westlake at 97%, or 3% behind. In subjective wet handling, Michelin scored 8.3 against Westlake’s 6.6, giving Michelin a 1.7-point advantage, with Westlake at 92%, or 9% behind.
In straight aquaplaning, Michelin held on slightly longer at 89.63 km/h versus 88.36 km/h, a 1.27 km/h advantage, with Westlake at 99%, or 1% behind. Overall, Michelin clearly delivered the stronger wet performance, especially in wet handling confidence, while Westlake stayed surprisingly close in wet braking and aquaplaning.
SU318 HT :
- -1% in wet braking
- -3% in wet handling (lap time)
- -9% in wet handling (subj)
- -1% in aquaplaning (straight)
Snow
In snow braking, the Michelin Defender LTX M/S2 stopped in 59.6 ft, while the Westlake SU318 HT needed 63.7 ft, so Michelin was shorter by 4.2 ft, with Westlake at 93%, or 7% behind Michelin. In snow traction, Michelin accelerated in 3.26 seconds, while Westlake took 4.44 seconds, making Michelin faster by 1.18 seconds, with Westlake at 73%, or 27% behind.
In snow handling, Michelin completed the lap in 87.23 seconds, while Westlake took 91.19 seconds, giving Michelin a 3.96-second advantage, with Westlake at 96%, or 4% behind. In subjective snow handling, Michelin scored 8.6 against Westlake’s 7.4, giving Michelin a 1.2-point advantage, with Westlake at 94%, or 6% behind. Overall, Michelin was clearly stronger in snow, especially in traction, where the Westlake showed its biggest weakness.
SU318 HT :
- -7% in Snow braking
- -27% in Snow traction
- -4% in Snow handling (lap time)
- -6% in Snow handling (subj)
Dry
In dry braking, the Michelin Defender LTX M/S2 stopped in 140.6 ft, while the Westlake SU318 HT stopped in 136.5 ft, so Westlake was shorter by 4.1 ft, with Westlake at 103%, or 3% better than Michelin. In dry handling, Michelin completed the lap in 59.3 seconds, while Westlake was slightly faster at 58.6 seconds, giving Westlake a 0.7-second advantage, with Westlake at 101%, or 1% better. Overall, this is where the Westlake fought back, delivering slightly stronger dry performance than the Michelin.
SU318 HT :
- +3% in dry braking
- +1% in dry handling (subj)
Noise/Comfort/Ride Quality
In subjective comfort, the Michelin Defender LTX M/S2 scored 6.4, while the Westlake SU318 HT scored 6.1, giving Michelin a 0.3-point advantage, with Westlake at 99%, or 2% behind Michelin. In noise, Michelin measured 75.8 dB, while Westlake was quieter at 72.4 dB, giving Westlake a 3.4 dB advantage, with Westlake at 105%, or 5% better. Overall, Michelin was slightly more comfortable, but Westlake clearly fought back by being noticeably quieter.
SU318 HT :
- -2% in subj comfort
- +5% in noise (+3.4 dB)
Rolling Resistance
In rolling resistance, the Michelin Defender LTX M/S2 measured 6.94 N/kN, while the Westlake SU318 HT measured 9.33 N/kN, so Michelin was lower by 2.39 N/kN, with Westlake at 74%, or 26% behind Michelin. Overall, Michelin was clearly more efficient, meaning it should have the advantage in fuel economy compared with the Westlake.
SU318 HT :
- -26% in rolling resistance
Off-road (Dirt)
In dirt handling, the Michelin Defender LTX M/S2 completed the lap in 60.65 seconds, while the Westlake SU318 HT took 62.02 seconds, giving Michelin a 1.37-second advantage, with Westlake at 98%, or 2% behind Michelin. In subjective dirt handling, Michelin scored 8.5 against Westlake’s 7.0, giving Michelin a 1.5-point advantage, with Westlake at 93%, or 8% behind. Overall, Michelin was the stronger tire on dirt, especially in driver confidence and control.
SU318 HT :
- -2% in dirt handling
- -8% in dirt handling (subj)
Mileage & UTQG ratings
For treadwear, the Michelin Defender LTX M/S2 has a UTQG treadwear rating of 820, while the Westlake SU318 HT is rated at 500, giving Michelin a 320-point advantage, or about 64% higher treadwear rating. The mileage warranty also favors Michelin, with 75,000 miles versus Westlake’s 50,000 miles, meaning Michelin offers 25,000 miles more warranty coverage, or 50% longer. However, Westlake has the better traction grade at A compared with Michelin’s B, while both tires share the same A temperature rating. Overall, Michelin is clearly the stronger long-life tire on paper, while Westlake’s main spec advantage is its higher UTQG traction grade.
| Brand | Tireline | Size | Tread Wear | Traction | Temperature |
|---|---|---|---|---|---|
| Michelin | Defender LTX MS2 | All | 820 | B | A |
| SU318 HT | SU318 HT | All | 500 | A | A |
Price
For price, the Michelin Defender LTX M/S2 costs $279, while the Westlake SU318 HT costs $111, making the Westlake $168 cheaper per tire. That means the Westlake is about 60% cheaper than the Michelin, or the Michelin is about 151% more expensive than the Westlake. Overall, this is the Westlake’s strongest argument: it gives buyers a massive upfront saving, but the Michelin counters with much stronger treadwear rating and a longer mileage warranty.
Tire size: 265/65R18
- Defender LTX MS2 : $ 279
- SU318 HT : $ 111
Difference: -151% more cheaper for SU318 HT.
Summary
From my tire expert point of view, the Michelin Defender LTX M/S2 is clearly the more complete tire. It delivers stronger wet braking, better wet and snow handling, superior snow traction, lower rolling resistance, better treadwear, a longer 75,000-mile warranty, and more confidence on dirt roads. It is the tire I would choose for long-term safety, efficiency, and all-condition dependability.
The Westlake SU318 HT, however, has a very strong value story. It is dramatically cheaper, slightly better in dry braking and dry handling, quieter on the road, and still stays reasonably close to Michelin in wet braking and aquaplaning. For budget-focused drivers who mainly drive in dry conditions and want the lowest upfront cost, the Westlake makes sense — but for overall performance and long-term trust, I would still pick the Michelin.
Dr Edwin Pang