Are there car meets in GTA 6?

Trailer 1 shows one, with lowriders and custom cars under Vice City palms. Whether you can take part is not confirmed.

Can you customize cars in GTA 6?

Yes. Pay 'n' Spray repaints, and tuning shops handle elaborate liveries.

Trailer 1 shows lowriders and custom cars lined up at a street gathering under Vice City palm trees.
GTABase lists car, bike and boat meets among the activities seen in the trailers.

Seen in gameplayCommunity reportedSources 1 2

01 / Activities
GTA 6 activities
29 GTA 6 activities confirmed: robberies, street races, gym, hunting, fishing, scuba, mini golf, pool, nightclubs. Plus 8 seen or probable.
02 / Activities
GTA 6 street races
GTA 6 street races take up to 16 racers on laps or point to point, with pink checkpoints and nitrous in some. Off-road racing is confirmed too.
03 / Activities
GTA 6 car theft
GTA 6 car theft is tiered: lock picks for old cars, a key cloner for new ones. Car fences buy what you steal, Randy takes requests, damage costs you.
04 / Guide
GTA 6 vehicles
All 226 GTA 6 vehicles seen so far: 158 cars and trucks, 13 bikes, 30 boats, 16 aircraft. 7 named by Rockstar.

Still unknown: Whether you can join or host a meet.

Are there car meets in GTA 6?
Trailer 1 shows one, with lowriders and custom cars under Vice City palms. Whether you can take part is not confirmed.
Can you customize cars in GTA 6?
Yes. Pay 'n' Spray repaints, and tuning shops handle elaborate liveries.
In depth: GTA 6 Vehicles