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Sunny SN3970

Show all: Sunny tyres, Passenger Car Summer Touring tyres
The Sunny SN3970 is a Touring Summer tyre designed to be fitted to Passenger Cars. Below is data from 32 tyre reviews averaging 58% over 406,625 miles driven.

Sunny SN3970
Dry Grip

Wet Grip

Road Feedback




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Size Price Range  
225/45 R17 £54.60 - £67.40 (8 prices)
225/40 R18 £44.80 - £67.90 (6 prices)
235/35 R19 £51.90 - £68.40 (8 prices)
Available in 21 tyre sizes - View all.

Tyre Test Results:

Sunny SN3970 Reviews

Given 26% (breakdown) while driving a Toyota (225-45-17-)
Driving on a combination of roads for 2,000 average miles
These were fitted to the car when I bought it. Never EVER get a 'Sunny' tyre. These are lethal. I've swapped them for something that doesn't to try kill me and my family every time there's a hint of rain.
tyre reviewed on January 4, 2015   
Given 44% (breakdown) while driving a Peugeot 407Hdi (215-55-17-)
Driving on mostly country roads for 11,000 spirited miles
Diabolical. Rubber cracked between the treads after covering 11k in 10 months.

They've become so noisy I had my mechanic check for wheel bearing failure.
tyre reviewed on August 31, 2014   
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Given 38% (breakdown) while driving a BMW 328ci (255-35-18-W)
Driving on a combination of roads for 200 spirited miles
i was looking for a tyre to give me very poor wet road grip(fitted only to rear) for to have some cheap fun with. i read the reviews this tyre and thought "they sound shit, i'll try them". i expected them to be pants and they are. driving normally and legally they aren't a problem what so ever. totally fine for the normal average driver. i fitted them to the rear of my bmw hoping for some fun as i normally have michelin super sports on which are amazing. taking corners 70mph+ these tyres wobble and make it feel like your driving on a oil slick, not a nice feel and above 130mph they are rather scary. In the dry when you want them to loose grip they are unpredictable, road noise isn't a issue for me but they were 'droney' (if thats a word) when above 80mph. they do however smoke very well. on the whole these are cheap tyres. if you pay peanuts thats what you get. if you want something and expect them to be great then get a proper tyre
tyre reviewed on August 30, 2014   
Given 14% (breakdown) while driving a Jaguar X Type 3.0 SE auto (225-45-17-)
Driving on a combination of roads for 200 average miles
Fitted these tyres cos I was skint. After almost killing myself in the wet I took them off and borrowed some dish and fitted Pirelli. If you drive under 40 in the wet you may live, how these. Tyres have got a safety mark beats the hell out of me.. Only buy if you want to die.
tyre reviewed on May 4, 2014   
Given 60% (breakdown) while driving a Ford Mondeo 130 TDCi Zetec (225-40-18-)
Driving on a combination of roads for 20,000 spirited miles
Overall good price/performance ratio. Used them on a mondeo 2.0 TDCi tuned to 186 HP 408 Nm. Could chase a BMW 330CD chip-tuned by me, and it was fun! Rear tyres suffered from uneven wear, got worn out on the inside quite fast - must be a wheel alignement problem. Had a puncture by a screw on a highway while chasing some italiano in BMW E90 at 190+ km/h (120+ mph) - rear left tyre went flat. Nothing really happened, the car became a bit gummy, and let me know something was wrong. I released throttle and drove about one kilometer at 110 km/h to get out of the tunnel and then stopped on a SOS place. This tyre sure did its job - even when flat!

Otherwise this tyre can be driven very sporty. You still hold the control of your car even when oversteering through the corner. Very good in dry, a bit worse in wet, it really depends on the type of surface. Very loud ride - I don't like it. Maybe that's because of uneven wear on the rear axle. Fuel economy went worse for a fair bit when switching from 215 mm GY Ultragrip-8 to 225 mm Sunny 3970. They lasted 30000 km (a bit less than 20k miles). Fast speed stability ok, was quite confident even at 240 km/h (150 mph). I don't know if I'd buy again, I really disliked the noise. It didn't bother me when I was alone in the car, but trying to talk to someone at 130+ km/h was almost like in a rally car. If they were quieter, I'd probably buy again.
tyre reviewed on May 2, 2014   
Given 71% (breakdown) while driving a BMW 330 Ci Sport (255-35-18-)
Driving on a combination of roads for 2,000 average miles
Replaced a set of worn continentals with Sunnys on my BMW 330ci.
For normal road driving in wet and dry I cannot complain about them. I have had no terrible wet weather experiences recounted by others. I believe they have achieved a an EU "B" wet braking rating which my practical experience would support.
Pay your money and take you choice. I belive they are a decent tyre for an excellent price.
tyre reviewed on March 6, 2014   
Given 37% (breakdown) while driving a Mercedes Benz CLK 280 (255-35-18-)
Driving on mostly town for 22,000 average miles
Tyres were already on car when I purchased it. Grip went from dire in the dry to what the #### in the wet. Even when they did manage to grip in the dry it didn't feel good as the soft side walls did not inspire confidence. The constant whine made journey's unbearable. However the wear rate was amazing lasted well over 20,000 miles.
tyre reviewed on March 5, 2014   
Given 71% (breakdown) while driving a BMW 330ci se (255-35-18-V)
Driving on a combination of roads for 5,000 average miles
Yes I do some research before buying.First bought these tyres for a 1.2 Corsa and now on a 330 Bmw.They are perfectly good tyres with a slightly softer quiet ride.Fine under heavy braking and in corners.I will buy again.
tyre reviewed on February 3, 2014   
Given 0% (breakdown) while driving a Vauxhall Corsa 1.2 16V Life (Twinport) (195-55-16-)
Driving on a combination of roads for 58,000 average miles
I had 2 Sunny tyres fitted to the front of my 2009 Vauxhall Corsa 1.2 in 2011.
The original Continental tyres were replaced after 31500 miles and the Sunny tyres are now ready to be replaced having covered a further 26000 miles.
I cover 15000 miles per year and having replaced the two Continental tyres on the rear after 42000 miles I am now about to purchase another 2 Sunny tyres for the front.
I have nothing bad to say about Sunny tyres - They are not particularly noisy and have good grip in both wet and dry conditions
tyre reviewed on November 12, 2013   
Given 70% (breakdown) while driving a Renault Megane (225-45-17-)
Driving on mostly motorways for 13,000 easy going miles
4 news tyers fitted at 61, 000 miles on Feb 2012 now at 74, 500 july 2013, and just the front is comming to the limit and the back 2 are almost near the limit, overall not too bad but for 64.50 per tyre what does one expect for budget tyres, but would get again if on offer, overall for cost and partiality, 6.5/10
tyre reviewed on July 11, 2013   

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