Summer tire handling Updated September 2026

Sunny SN3970 review

Name: Sunny SN3970
Brand: Sunny

± 8

Relative score from owner reviews only

Better than 15% of the summer tires we score.

Owners 42 · 51 reviews analysed

How scores work

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Sunny SN3970 has a Relative Score of 51 out of 100 among summer tires. 51 owner reviews rate it 42 out of 100. 45% would buy it again.

What owners say

No road-test results yet, so every score here comes from owner reviews found online.

How scores work

Relative score: 0–100. Blends road tests (60%) and owner reviews (40%) category by category, the same way on every TireWheelGuide page. With only one of the two, the missing half is estimated from it, so the score stays closer to average. It needs at least one road test or five owner reviews.
Road tests: 0–100 per score, from published tests, newer tests counting more. Each result is compared with every other tire in the same test, so a win against a strong field counts for more. The average tested tire gets 70, the best 100; with only one or two tests a tire stays nearer 70. The discipline rows show % of the best tire in that test.
Owner reviews: 0–100 from the owner reviews we found online, adjusted for how generously each site rates and scaled like the road tests: the average tested tire gets 70. With only a few reviews a tire stays near the average.

Full methodology

By owner reviews

42/100

From 51 owner reviews analysed, scaled like the road tests: the average tested tire gets 70.

Would buy again 45%

Dry

Overall dry

Wet

Overall wet

Snow & ice

Overall snow & ice

Comfort

Overall comfort

Noise

Overall noise

Treadwear

Overall treadwear

Handling

Overall handling

Own these tires? Write a review →

What owners like and dislike

Themes extracted from 51 owner reviews found online.

The Sunny SN3970 divides opinion sharply, serving as a polarizing budget tire that appeals to cost-conscious commuters while alarming enthusiasts. While many users praise its exceptional dry-pavement grip, soft ride quality, and unbeatable price point for everyday driving, a significant portion report severe safety concerns regarding wet-weather traction and escalating road noise over time.

Pros

Extremely affordable price point compared to premium brands
Reliable and competent dry-weather grip during normal driving conditions
Soft, comfortable ride quality and good straight-line stability on highways
Aggressive and visually appealing tread profile

Cons

Significantly compromised wet-weather traction, often described as dangerous or slippery
High and progressively worsening road noise, frequently mistaken for failing wheel bearings
Soft sidewalls that can reduce steering feedback and confidence in aggressive corners
Premature cracking, uneven wear, or structural durability issues reported by some users

Worth knowing

Owners of higher-horsepower rear-wheel-drive vehicles, particularly BMW models (like the 330D and E46), frequently reported issues with rear-end loose behavior, understeer, or traction loss in wet conditions.
Drivers of standard commuter hatchbacks and sedans (such as the Vauxhall Corsa, Ford Focus, and Audi A4) driving at normal, legal speeds reported acceptable performance and adequate safety for the price.

1 published test appearance

Placement within each field. Open a test for the discipline-by-discipline result.

2014 Auto Bild 50 Summer tire Shootout · 225/50 R17

33rd of 50

Only the final ranking was published for this test, not the results per discipline.

Source: Auto Bild

Sunny SN3970 specs & sizes

Prices vary by size, so each one links out separately.

Specifications
UTQG	280 A A
Sidewall	Blackwall
EU label: wet grip	B
EU label: energy	D
EU label: external noise	71 dB

Size	Retailer
215/50 R17	Amazon
225/30 R20	Amazon