XPost: comp.os.linux.misc
From: robin_listas@es.invalid
On 2025-12-19 20:09, rbowman wrote:
> On Fri, 19 Dec 2025 15:46:55 +0100, Carlos E.R. wrote:
>
>> Some rubber last long. This is an Opel Corsa with the factory
>> Continental rubbers.
>
> The original rear tire on my Sportster lasted close to 20,000 miles. It
> was a Dunlop tire often referred to by Sportster riders as Dunrocks. Great
> tread life, not so great traction. I replaced them with Bridgestone
> Spitfires. I only got 8,000 miles on the rear but the miles were more
> fun :)
>
> In the US manufacturers game the EPA fleet mileage requirements by
> installing low rolling resistance tires. You can get LRR tires with
> compounds that increase tire life but they cost more. The Yaris is
> Toyota's cheapest model so the OEM tires aren't premium. Toyota must have
> gotten a good deal because the first one had Bridgestone Potenzas which
> are usually sold as a performance tire. They are not optimized for long
> life.
I just looked at
looking for pros and cons, but did not find them. So I asked ChatGPT:
Sure! Here’s a clear, balanced overview.
## Low Rolling Resistance (LRR) Tires — Pros & Cons
### ✅ Pros
**1. Better fuel efficiency / range**
* Reduced energy loss as the tire rolls
* Improves fuel economy in combustion cars
* Extends range in hybrids and EVs
**2. Lower CO₂ emissions**
* Less fuel or energy used → fewer emissions
* One of the easiest efficiency upgrades
**3. Quieter ride (often)**
* Many LRR tires are designed to reduce road noise
* Especially noticeable at steady highway speeds
**4. Less heat buildup**
* Lower internal friction means cooler running
* Can slightly improve tire longevity in some use cases
**5. Good for daily driving**
* Optimized for commuting and long-distance travel
* Often tuned for comfort rather than aggressive performance
---
### ❌ Cons
**1. Reduced grip (especially wet or cold)**
* Harder rubber compounds reduce rolling resistance
* Can mean longer braking distances
* Cornering grip is often lower than performance tires
**2. Worse performance in snow or ice**
* Not ideal for winter conditions unless specifically designed as LRR winter
tires
* Less tread flexibility at low temperatures
**3. Less responsive handling**
* Softer sidewalls and efficiency-focused design
* Steering may feel less “connected” or sporty
**4. Can cost more**
* Advanced materials and compounds increase price
* Savings come back over time via fuel/energy savings
**5. Not ideal for heavy loads or towing**
* Efficiency-focused designs may wear faster under high loads
* Can feel less stable when fully loaded
---
### ⚖️ When LRR Tires Make Sense
* Daily commuting
* Highway driving
* Hybrids and EVs
* Drivers prioritizing efficiency, comfort, and low noise
### ⚠️ When They’re Not the Best Choice
* Sporty or aggressive driving
* Frequent snow, ice, or off-road conditions
* Towing or carrying heavy loads
* Performance-oriented vehicles
---
### Bottom line
Low rolling resistance tires trade **efficiency and comfort** for **grip and
performance**. They’re excellent for economical, everyday driving but not
ideal if traction and handling are top priorities.
If you want, tell me:
* Vehicle type (ICE, hybrid, EV)
* Climate
* Driving style
I can help you decide whether LRR tires are a good match or suggest
alternatives.
Well, there is no snow or ice in my area, thus LRR tires are fine for me.
--
Cheers, Carlos.
ES🇪🇸, EU🇪🇺;
--- SoupGate-Win32 v1.05
* Origin: you cannot sedate... all the things you hate (1:229/2)
|
