sentra180想換輪胎~陷入迷惑中...求解答(15點) - 開車
By Elma
at 2006-04-10T00:00
我的03\'setra180該換輪胎了.看了一陣子品牌型號(BS牌GR80)都決定了只是size還沒決定.不用原廠的195/60/15已經確定了.現在考慮三個size~205/55/15~205/60/15~195/65/15...我的用路需求大概市區70%郊外(山區之類的...)30%.平時開車習慣大約70km/h.路況好時就小飆一下囉!!!希望能在三個選擇中找到一個舒適及操控有個平衡的選擇...THANKS!!!
Sentra 180 原廠尺寸195/60R15,若升級205/55R15 原始更換後胎/圈尺寸195 / 60 R 15205 / 55 R 15胎壁高度(mm)117112.75輪圈直徑(mm)381381圈+胎總直徑(mm)615606.5車身高度(mm)-降低 4.25 圈+胎週長(mm)1931.11904.41 誤差值 1.38%時速表之差異(以原先的圈胎為基準) - 真實時速比時速表慢 輪上相對速度(以原先的圈胎為基準)100km/hr110km/hr120km/hr130km/hr140km/hr150km/hr160km/hr170km/hr180km/hr190km/hr200km/hr210km/hr220km/hr230km/hr240km/hr98.62km/hr108.48km/hr118.34km/hr128.20km/hr138.07km/hr147.93km/hr157.79km/hr167.65km/hr177.51km/hr187.37km/hr197.24km/hr207.10km/hr216.96km/hr226.82km/hr236.68km/hr若升級205/60R15 原始更換後胎/圈尺寸195 / 60 R 15205 / 60 R 15胎壁高度(mm)117123輪圈直徑(mm)381381圈+胎總直徑(mm)615627車身高度(mm)-升高 6.00 圈+胎週長(mm)1931.11968.78 誤差值 1.95%時速表之差異(以原先的圈胎為基準) - 真實時速比時速表快 輪上相對速度(以原先的圈胎為基準)100km/hr110km/hr120km/hr130km/hr140km/hr150km/hr160km/hr170km/hr180km/hr190km/hr200km/hr210km/hr220km/hr230km/hr240km/hr101.95km/hr112.15km/hr122.34km/hr132.54km/hr142.73km/hr152.93km/hr163.12km/hr173.32km/hr183.51km/hr193.71km/hr203.90km/hr214.10km/hr224.29km/hr234.49km/hr244.68km/hr再來是195/65R15 原始更換後胎/圈尺寸195 / 60 R 15195 / 65 R 15胎壁高度(mm)117126.75輪圈直徑(mm)381381圈+胎總直徑(mm)615634.5車身高度(mm)-升高 9.75 圈+胎週長(mm)1931.11992.33 誤差值 3.17%時速表之差異(以原先的圈胎為基準) - 真實時速比時速表快 輪上相對速度(以原先的圈胎為基準)100km/hr110km/hr120km/hr130km/hr140km/hr150km/hr160km/hr170km/hr180km/hr190km/hr200km/hr210km/hr220km/hr230km/hr240km/hr103.17km/hr113.49km/hr123.80km/hr134.12km/hr144.44km/hr154.76km/hr165.07km/hr175.39km/hr185.71km/hr196.02km/hr206.34km/hr216.66km/hr226.98km/hr237.29km/hr247.61km/hr由以上比較表來看,一定要淘汰的尺寸為195/65R15(多此一舉),並且誤差值已超過 3% 了胎壁高度為決定操控性及舒適性的一大重點195/60R15的胎壁高度11.7cm205/55R15的胎壁高度11.27cm(操控性最佳,舒適性絕對夠用)205/60R15的胎壁高度12.3cm195/65R15的胎壁高度12.67cm(操控性最差,舒適性最好)________________________________________________________以個人的195/55R15來說(國產1.8升)胎壁高度為10.72cm舒適性基本上是算及格了,且在操控上有著良好的表現但是如果像 Teana Grunder Camry這些噸位較重的大型房車若要顧及舒適性的話,胎壁高度必需再提高,而為11.5cm以上看這些車配的原廠尺寸就知道(頂多215/55R17的扁平高度)任何東西皆有一定之基準的,不是說愛怎麼改就怎麼改_________________________________________________________所以說,205/55R15是最適合的尺寸(以不改輪圈為前提)其胎寬加一級,胎壁高度11.27cm,良好的平衡點,操控性明顯進步所有尺寸只有胎寬195變成205,差油耗差異性絕對有但是別擔心,這樣的差異絕對是輕微的(個人有真實經驗)
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