Tires (Summer/Winter/All-Season)

  • Thread starter Thread starter Puppethead
  • Start date Start date
  • Replies Replies 1K
  • Views Views 199K
Tire availability is definitely an issue here in southern New England. Because of our increasingly mild winters and my reluctance to drive on snow tires during late fall and early spring, I opted for Pirelli Cinturato P7 A/S Plus 2 on lightly used Loop Spokes. The tires may not be best on ice but they get decent rolling resistance scores and are fairly quiet. Alas, I had to get them delivered to my local shop. A week later, I’m still waiting. My SE should be delivered early next week. I’ll offer a report on their performance but I won’t be able to compare them with the OEM summer tires for some months . . .
Yep, finding the Vredesteins were difficult. Tire Rack ranked them high in wet braking and wet cornering, guess the Hankooks wet performance spoiled me enough to seek our a worthy enough contender. A P7 update would be great, we had the previous generation P7s installed on the Chevy Volt, offered significant improvements over the LRR tires from the factory, with a slight hit in efficiency. They also performed admirably in Minneapolis winters, but never jumped off the line.

We got hit with some snow here in the Pacific NW. Attempted to climb our hill with the Kia e-Niro equipped with Michelin's LRR OE tires, the vehicle made it 5 feet before falling back, absolutely the worst performing tire I have experienced on snow. Taking the Mini out tomorrow, will update on the results with an incline. They performed well in snow and slush on a level surface previously.



Sent from my ONEPLUS A6003 using Tapatalk
 
Quite impressed with the traction control and Hitrac tire combo. Used the default setting (DSC) traction control and noticed immediate, positive, traction inputs going up the hill. Also managed to climb a shaded hill behind us, where it was obvious very few vehicles made it up judged by the tire tracks. The Kia e-Niro is in the picture, stuck at the bottom of the hill. There's absolutely no chance driving it up without significant melt.

Efficiency on this trip averaged 3.5 miles/kWh after 86 miles. The remaining roads were primarily wet with thin slush in areas. Temperature ranged between 24-30F, two people in the car, groceries loaded on the way back, cabin temp set to 70F, and mid mode selected. Had a nasty headwind going north on the freeway, recoverd some of those losses on the way back.

The temperatures dropped to 24F as the sun was setting, the tires showed weakness on ice, no surprise there. But still managed to climb that hill, albeit it wasn't quick going up.
d4759d0e96b685b77f63188fb98826e5.jpg


Sent from my ONEPLUS A6003 using Tapatalk
 
Do you have spacers on? There is very little clearance (~1/8") between the shock and tire with the stock 205/45R17. Theoretically a 215 tire would be rubbing without spacers but some 215s are slightly less wide than the spec.
No issues as far as I can tell. You're right about the gap between the tire and the springs though, it's really close.
 
Anyone know how long tires can sit unmounted, and how many times they can be un-mounted/mounted? I bought a new set of wheels for my winter tires, but they ended up coming with some nice Michelins. Now I have three sets of tires and two sets of wheels (good problem to have, but a problem nonetheless!).
 
Anyone know how long tires can sit unmounted, and how many times they can be un-mounted/mounted?

I don't know the answer, but TireRack has an article with great tips for storing tires.

In my experience, I have rotated between 3 sets of wheels & tires (1 for summer, 1 for winter, and 1 for spring + fall) and typically got 3-4 years of use from each before the tread wore down enough to warrant replacement. Each unused set was stacked in my garage. I didn't have any problems with them getting too old/dried out.
 
From that TireRack link:

Keep the tires away from sources of ozone. Electric motors that use contact brushes generate ozone.

Does this mean BEV drivers have yet another thing to worry about when it comes to tire life? Or are we safe because the motors are brushless?
 
I am in the Pac NW and we have had snow on the ground since Christmas day We are all on vacation this week, so have not had to go out much. When we did, we generally took the RAV4 Hybrid AWD which works great in the moderate snow with its OEM tires (don't know what they are off the top of my head).

On Thursday while I was out with the RAV, my daughter hurt her foot and my wife had to take her out to urgent care. She drove the Mini with its new Continental Purecontact LS A/S tires and said it worked great with no slipping or issues. The only real snow on the ground was in our alley and in the side streets near her destination. I was shoveling the driveway when she got back and I was able to observe as she did a 1000 point backing turn into the driveway. The tires were gripping great! She said the experience made her confident that the Mini would handle our occasional winter condition as needed.

I plan to take it for a drive today and find some parking lots or other areas with decent snow still to get a feel for it myself. So far, so good with these this winter season.

Rob
 
From that TireRack link:

Keep the tires away from sources of ozone. Electric motors that use contact brushes generate ozone.

Does this mean BEV drivers have yet another thing to worry about when it comes to tire life? Or are we safe because the motors are brushless?
Unless you're driving in an enclosed space, I don't see how it would be much of an issue.
 
Took the Mini out for a test today and was pleased with the performance of the Continental Procontact LS tires. About as well as a front-wheel-drive car can do with A/S tires, I think. My alley (pictured below) had a few inches of compact snow and ice and I chose to go the "hard way" up hill and encountered no slipping and no trouble stopping at alley-speed (under 10 mph).

New%20Year%20Mini%20Snow%20Alley.jpg


I did some driving in the local school parking lot and again had no trouble at slow speed, even trying to spin the tires and whip the car around a bit. It was about 1.5" of snow atop an inch or so of compacted snow and ice.

New%20Year%20Mini%20Snow%20Tire.jpg

New%20Year%20Mini%20Snow%20Ft.jpg

New%20Year%20Mini%20Snow%20Lt.jpg


Further away in other areas where the compact snow and ice lingered, the car/tire combo still performed as well as I could expect without dedicated snow tires. I'm confident that it would handle fresh snow and slush very well and only struggled with the actual layered ice. Happy with my choice.

Rob
 
I managed to drive on a dry, windless day with temperatures around 40 ºF (40 mile trip) and proved the Hakkapeliitta R3s on the Spectre Grey Revolites are extremely efficient. @GvilleGuy's MINI EV Range shows over 5 mi/kWh!

Any highway driving in those 40 mi?! Any comparison to the stock tires? 5 mi/kWh seems extremely high
 
Any highway driving in those 40 mi?! Any comparison to the stock tires? 5 mi/kWh seems extremely high
I believe I was driving in green mode and took a route that minimized freeway, so about 20-25 miles at speeds above 60 mph. It is on the high end of what I've been able to get out of the SE, but it's about the same as the best I can get on my 17" Power Spoke summer wheels with the stock Goodyear Eagle F1 Asymmetric 3 tires.
 
Just had my first real driving experience with my VikingContact 7s in 30F (ambient) wet weather. Was not able to floor it from a light without traction control cutting in, which was a bit disappointing, but totally understandable. Being my first set of winters and EV, I was not sure what to expect. Needless to say the Tesla next to me, uh, won. Blaming it on the tires :)

Turn in and corner grip on 30F damp roads was not noticeably worse, at least for moderate driving (not what I would consider spirited, but by no means docile). Maybe a bit more numb on the steering feel though.

Otherwise, the VikingContacts are reasonably quiet (we are not car reviewers, but it was not a noticeable increase in noise), without any noticeable increase in consumption. Once I get some highway mileage on them, I will report back on the efficiency.



Sent from my iPhone using Inside EVs
 
Just had my first real driving experience with my VikingContact 7s in 30F (ambient) wet weather. Was not able to floor it from a light without traction control cutting in, which was a bit disappointing, but totally understandable. Being my first set of winters and EV, I was not sure what to expect. Needless to say the Tesla next to me, uh, won. Blaming it on the tires :)

Turn in and corner grip on 30F damp roads was not noticeably worse, at least for moderate driving (not what I would consider spirited, but by no means docile). Maybe a bit more numb on the steering feel though.

Otherwise, the VikingContacts are reasonably quiet (we are not car reviewers, but it was not a noticeable increase in noise), without any noticeable increase in consumption. Once I get some highway mileage on them, I will report back on the efficiency.



Sent from my iPhone using Inside EVs

I have these tires as well. Same wheel slippage under hard accel (as noted earlier in this thread).

I found efficiency and tire noise to be GREAT. I don't have any milage on the original tires/wheels (yet). However, the ride is quiet on the highway. I was able to achieve 4.1 m/kwh, with the heat on, on the highway, cold-ish weather. Even the notoriously conservative GOM has been showing around the EPA estimated range (105-120ish) when full.
 
Took the Mini out for a test today and was pleased with the performance of the Continental Procontact LS tires. About as well as a front-wheel-drive car can do with A/S tires, I think. My alley (pictured below) had a few inches of compact snow and ice and I chose to go the "hard way" up hill and encountered no slipping and no trouble stopping at alley-speed (under 10 mph).

New%20Year%20Mini%20Snow%20Alley.jpg


I did some driving in the local school parking lot and again had no trouble at slow speed, even trying to spin the tires and whip the car around a bit. It was about 1.5" of snow atop an inch or so of compacted snow and ice.

New%20Year%20Mini%20Snow%20Tire.jpg

New%20Year%20Mini%20Snow%20Ft.jpg

New%20Year%20Mini%20Snow%20Lt.jpg


Further away in other areas where the compact snow and ice lingered, the car/tire combo still performed as well as I could expect without dedicated snow tires. I'm confident that it would handle fresh snow and slush very well and only struggled with the actual layered ice. Happy with my choice.

Rob
 
Thanks for the details. I nearly went with the Continentals but they were back ordered. By the way, has anyone devised a good arrangement to carry four wheels/tires in the boot (hatch). I’m ready to switch over to cold weather wheels but will need to transport to summer shoes back home from the tire shop.
 
Back
Top