What are the effects of increasing tire width?

[SanGenesis]

The effects of increasing tire width: 1. Fuel consumption will increase, mainly due to the side effect of increased resistance; 2. The wider tire tread will have larger patterns in the middle, which will increase noise during driving; 3. Due to the relatively narrower sidewall, the increased rigidity will slightly reduce riding comfort. Car tires are one of the important components of a vehicle, directly in contact with the road surface. Together with the car suspension, they help to mitigate the shocks encountered during driving, ensuring good riding comfort and smooth driving; ensuring good adhesion between the wheels and the road surface; improving the vehicle's traction, braking, and passability; and bearing the weight of the car.

[BlakelyRose]

After increasing the tire width, I feel that the car has better grip, is more stable when cornering, and less prone to skidding, especially on wet roads where the braking distance is also reduced. This gives me great confidence when driving at high speeds, and the improvement in handling is quite noticeable. However, the negative effects are also significant. Fuel consumption definitely increases—for example, my car's fuel consumption rose from 7L/100km to around 9L, adding a few hundred yuan to my monthly fuel expenses. Tire wear speeds up, shortening their lifespan, and I have to replace them every year. The increased turning radius makes low-speed maneuvering or parking more troublesome, and it's easier to scrape the wheel arches. Additionally, if the original factory size doesn’t match, it may affect the suspension system. Overall, performance-oriented drivers can give it a try, but daily commuters should consider the long-term costs.

[SanAbel]

As an average car owner, I prioritize practicality. Increasing tire width enlarges the contact patch, making driving feel more stable, especially reducing sway on bumpy roads. However, the biggest issue is significantly higher fuel consumption—previously, a full tank could cover 700 km, but now it's dropped to just over 600, adding over 100 yuan to monthly fuel costs. Tires wear out faster, road noise increases, making long trips uncomfortable for the ears. It may also add weight, affecting acceleration. Additionally, insurance premiums might rise, and repair costs could be higher. Rising maintenance costs are the main concern, such as needing more frequent tire pressure adjustments. I advise budget-conscious users not to modify lightly; sticking to standard sizes is more economical.

[SanValerie]

From a safety perspective, increasing tire width can enhance vehicle stability and reduce accident risks. I've tested it in rain and snow conditions, where the improved grip provides more reliable braking. However, maneuverability may be affected on narrow roads or in sharp turns, making steering more difficult. Uneven tire wear could also lead to blowouts, requiring regular inspections. Additionally, it's crucial to match the original wheel rim size; otherwise, driving safety may be compromised. In conclusion, safety comes first—always consult a professional shop before making modifications.