Michelin Primacy MXM4 vs Continental ProContact RX: The Michelin Primacy MXM4 and Continental ProContact RX—both Tesla Model 3 OE-approved tires—go head-to-head in this battle of all-season touring performance. Neither carries the 3-peak mountain snowflake rating, but which one truly delivers the best balance of comfort, grip, and longevity for Tesla owners? Let’s find out!
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Results: Michelin Primacy MXM4 vs Continental ProContact RX
Results below were taken from the AutoView’s 2024 EV Test with a total of 4 tires tested. The graph below shows the comparison between Michelin Primacy MXM4 vs Continental ProContact RX based on the relevant performance category. The Michelin Primacy MXM4 tire was set as a reference hence at the 100% mark.
It’s important to note that for both tires do not have the elusive 3 peak mountain certification but its rated as an all season tire. The tire size of interest is a 235/40 R19 which is a common tire size for Volvo XC60. You can check out our latest tire size table for more information. The testing vehicle of choice is a Tesla Model 3.
Wet
The Michelin Primacy MXM4 stops 6.49 meters (21.3 feet) shorter than the Continental ProContact RX in wet braking from 80-0 km/h (50-0 mph). That’s a significant difference, meaning the Primacy MXM4 provides noticeably better stopping power on wet roads, reducing the risk of skidding or collision.
ProContact RX:
- -16% in wet braking
Dry
In dry braking from 100-0 km/h (62-0 mph), the Michelin Primacy MXM4 stops 0.27 meters (0.9 feet) shorter than the Continental ProContact RX, giving it a slight edge in stopping power. In the dry slalom test, the Primacy MXM4 is 0.26 seconds faster, making it more responsive in quick directional changes. For dry handling, the Primacy MXM4 maintains an average speed of 69.49 km/h (43.2 mph), which is 0.9 km/h (0.6 mph) faster than the ProContact RX, allowing for a slightly more confident and stable cornering experience.
Both are OE tires, meaning dry performance—especially dry handling—is a big focus. It’s no surprise to see them this close in performance.
ProContact RX:
- -1% in dry braking
- -3% in dry slalom
- -1% in dry handling (avg speed)
Noise Vibration Harshness (NVH)
The Michelin Primacy MXM4 registers 0.6 dB louder than the Continental ProContact RX in interior noise, making the ProContact RX slightly quieter inside the cabin. However, the biggest difference comes in ride quality, where the ProContact RX scores 2 points higher, delivering a noticeably smoother and more refined driving experience. While the Primacy MXM4 holds its own, the ProContact RX clearly excels in comfort.
ProContact RX:
- +1% in interior noise (-0.6 dB)
- +10% in ride quality
UTQG Tread Wear
The Michelin Primacy MXM4 has a UTQG tread wear rating of 500, which is 25% higher than the Continental ProContact RX’s 400, suggesting better long-term durability. It also comes with a 10,000-mile (16,000 km) longer warranty, rated at 55,000 miles compared to the ProContact RX’s 45,000 miles. In terms of tread depth, the Primacy MXM4 starts at 9.5/32″ (7.54 mm), while the ProContact RX begins at 9/32″ (7.14 mm), meaning the Michelin has 0.5/32″ (0.4 mm) more rubber to wear down.
Additionally, the Primacy MXM4 has a higher traction rating (AA vs. A), which was evident in the wet braking test as it provides better grip in wet conditions, while both share the same A-rated temperature resistance.
| Brand | Tireline | Size | Tread Wear | Traction | Temperature |
|---|---|---|---|---|---|
| Michelin | Primacy MXM4 | All | 500 | AA | A |
| Continental | ProContact RX | All | 400 | A | A |
Price
In 235/40R19, the Continental ProContact RX costs $342, making it 16% more expensive than the Michelin Primacy MXM4, which is priced at $296.
Tire size: 235/40 R19
- Primacy MXM4 : $296
- ProContact RX : $342
Difference: +16% more expensive for ProContact RX
Conclusion
From my experience as a tire expert, the Michelin Primacy MXM4 stands out with better wet braking, longer tread life, and a lower price, making it a solid choice for those prioritizing durability and stopping power. On the other hand, the Continental ProContact RX delivers a quieter ride, superior comfort, and a more refined driving experience, making it ideal for those who value a smooth and premium feel. Both are Tesla Model 3 OE-approved, so the choice comes down to what matters most—performance and longevity or comfort and refinement.
Dr Edwin Pang