自驾游者用英语可以表达为 "road tripper" 或 "driver on a road trip"。以下是一些相关的单词和表达：
1. Road Tripper
2. Driver on a road trip
3. Motorist
4. Caravanner (常用于描述露营车自驾游者)
5. Vacation driver
6. Road warrior
7. Road traveler
8. Road explorer
9. Auto-tourist
10. Self-drive tourist
相关表达：
Go on a road trip
Plan a road trip
Embark on a road trip
Hit the road
Take a spontaneous road trip
Hit the highways
Cruise the countryside
Explore new territories
Travel by one's own vehicle
Enjoy the freedom of the open road
