DownThunder 4x4
Fraser Island Adventure 2013, photo by 1mak

Show your rig. Find your next track.

Fresh from the garage

Member builds

See all member 4WDs
TrailDays · Today’s challenge

Rocky climb · 1.3 km

Drive your own rig, with your own mods, on a new track every day. Beat par, pick the hard lines and top the board.

Par
4:20
Leads the week
1mak
Play today’s trackTomorrow: Cape York

Today’s leaderboard

1 driver
  1. 11makDonald124
Best run of the day counts · members onlyFull board
New · Free tool

4WD Mod Simulator

Bolt on a bar, a lift or a rooftop tent and see what it does to weight, tip angle, flex and traction before you buy.

Try the simulator
Forum

Can you help?

Forum
I love Jeep, I love GTA. So I made a thing!Jeep Gladiator JT · 0 replies · 29 Sept
Welcome to DownThunder v3.0. Now tell us what's broken.News and Updates · 0 replies · 28 Sept
How does the ABS in cars work?Toyota Blizzard · 0 replies · 8 May 2023
EGR valves and internal grotsIsuzu VehiCross · 0 replies · 4 May 2023
Places to go

Campsites & 4WD parks

All places

G'day. Pull up a camp chair.

1Add your 4WDPick make and model, upload a photo. Two minutes.
2Log your modsLift, tyres, bar, winch: your build sheet in one place.
3Meet your matesSee who runs the same rig and swap notes on tracks.