Usage note
辆用于计数车辆，如汽车、卡车等。
liàng yòng jìshù chē , rú qìchē 、 tuōjiǎn chē děng 。
辆 is used to count vehicles, such as cars and trucks.
Context note
辆常用于描述停车场里的车辆数量，或者在新闻报道中提到交通事故中的车辆。
liàng cháng yòng xǔshù píngtán lǐ de chē liàng shùliàng ， huòzhě zài xīnwén bàodào zhōng tèdiǎn jìndòng chēshì zhōng de chē 。
辆 is often used to describe the number of vehicles in a parking lot, or mentioned in news reports about traffic accidents.
5 examples
停车场里有5辆车。
tíng chē chǎng lǐ yǒu 5 liàng chē。
There are 5 cars in the parking lot.
他开了一辆新车。
tā kāi le yí liàng xīn chē。
He bought a new car.
路上有很多车辆。
lù shang yǒu hěn duō chē liàng。
There are many vehicles on the road.
交通事故中有两辆车受损。
jiāo tōng shì gù zhōng yǒu liǎng liàng chē shòu sǔn。
Two cars were damaged in the traffic accident.
他每天开一辆车去上班。
tā měi tiān kāi yí liàng chē qù shàng bān。
He goes to work every day by driving a car.
5 mini stories
小明的爸爸买了一辆新车，大家都说真漂亮。
xiǎo míng de bà ba mǎi le yí liàng xīn chē， dà jiā dōu shuō zhēn piào liang。
Xiaoming's dad bought a new car, and everyone said it was really beautiful.
妈妈开车送我上学，路上有很多车辆。
mā ma kāi chē sòng wǒ shàng xué， lù shang yǒu hěn duō chē liàng。
Mom drove me to school, and there were many vehicles on the road.
昨天晚上发生了一起交通事故，有两辆车受损。
zuó tiān wǎn shàng fā shēng le yì qǐ jiāo tōng shì gù， yǒu liǎng liàng chē shòu sǔn。
There was a traffic accident last night, and two cars were damaged.
爸爸每天开一辆车去上班，妈妈则骑自行车。
bà ba měi tiān kāi yí liàng chē qù shàng bān， mā ma zé qí zì xíng chē。
Dad goes to work every day by driving a car, while Mom rides a bicycle.
停车场里有5辆车，其中3辆是小轿车。
tíng chē chǎng lǐ yǒu 5 liàng chē， qí zhōng 3 liàng shì xiǎo jiào chē。
There are 5 cars in the parking lot, among which 3 are sedans.
Mini dialogue
一辆校车
A
看，那辆黄色的车是什么？
Kàn, nà liàng huángsè de chē shì shénme?
Look, what is that yellow vehicle?
B
那是一辆校车。
Nà shì yī liàng xiàochē.
That is a school bus.
几辆自行车
A
你家有几辆自行车？
Nǐ jiā yǒu jǐ liàng zìxíngchē?
How many bicycles does your family have?
B
我家有两辆自行车。
Wǒ jiā yǒu liǎng liàng zìxíngchē.
My family has two bicycles.
Related words and contrasts
contrast
台
tái
counter for machines, TVs, computers
辆 is for vehicles with wheels; 台 is for machines and electronics.
related
车
chē
vehicle; car
车 is the noun 'vehicle'; 辆 is the measure word used to count vehicles.