|Table of Contents|

Characteristic analysis of outline dimensions of passenger cars in Chinese market and correction of design vehicle size(PDF)

长安大学学报（自然科学版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2025年01期
Page:
153-166
Research Field:
汽车与机械工程
Publishing date:

Info

Title:
Characteristic analysis of outline dimensions of passenger cars in Chinese market and correction of design vehicle size
Author(s):
XU Jin1;  CHEN Zheng-wei1;  YANG Zi-miao1;  DAI Zhen-hua1;  DU Zhi-gang2;  LIU Ying1
(1. College of Traffic and Transportation, Chongqing Jiaotong University, Chongqing 400074, China; 2. School of Transportation and Logistics Engineering, Wuhan University of Technology, Wuhan 430063, Hubei, China)
Keywords:
automobile engineering;  design vehicle;  characteristics of external dimensions;  passenger car;  passenger car dedicated expressway;  construction clearance
PACS:
U469.11
DOI:
10.19721/j.cnki.1671-8879.2025.01.013
Abstract:
In order to grasp the distribution characteristics of the outline dimensions of passenger cars in China, and provide basic data and theoretical support for the geometric design of related facilities, 4 764 public outline dimension parameters of passenger cars were collected from a professional automobile websites. The outline dimension characteristics of passenger car and different sub-models were analyzed using statistical methods, and the design vehicles for the passenger car special highway and the passenger car parking garage were determined according to the analysis results. The results show that the length of passenger cars exhibit a unimodal distribution, the primary range is 4 050 to 5 450 mm. The width exhibit a bimodal distribution, with the main range falling within 1 650 to 2 050 mm. The height distribution like mountains, the main range for height is 1 425 to 1 975 mm. The wheelbase follows a distribution shape similar to that of the lengths, with the primary range being 2 575 to 3 175 mm. The outline dimensions of different subdivision models are significantly different. The order of outline plane dimensions from small to large is van, sedan, SUV, MPV, light passenger, and the order of roof height from low to high is sedan, SUV, MPV, van, light passenger. The difference in the size of passenger cars with different energy sources is mainly reflected in the sedan. Fuel-fueled cars have longer lengths, widths, and wheelbases compared to pure electric cars, while their vehicle height is lower. The wheelbase of fuel vehicles is nonlinear positively correlated with the length of the vehicle, the wheelbase of pure electric vehicles is positively correlated with the length of the vehicle. Light passenger cars should be regarded as the design vehicle of expressway for passenger cars, with an outline size(longth×width×hight)of 6.0 m×2.1 m×2.8 m. MPVs should be regarded as the design vehicle of ordinary highway for passenger cars, with an outline size of 6.0 m×2.0 m×2.2 m. Based on the size clustering results, the design vehicles and their outline dimensions of passenger car parking garages can be divided into mini passenger cars 3 850 mm×1 750 mm×1 750 mm, small passenger cars 5 100 mm×2 000 mm×2 050 mm and light passenger cars 6 000 mm×2 100 mm×2 550 mm.7 tabs, 16 figs, 27 refs.

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Last Update: 2025-02-25