The introduction of Hao's Special Works (HSW) upgrades in GTA Online has significantly altered the vehicle performance landscape, offering substantial boosts to top speeds and overall vehicle capabilities. Here's a breakdown of the best HSW vehicles in GTA Online GTA 5 Modded Accounts.

1. Bravado Banshee GTS
   - Top Speed (with HSW): 172.50 mph (277.61 km/h)
   - Price: $1,989,500
   - Based on the Dodge Viper GTS, it's the fastest land vehicle in GTA Online with HSW upgrades. However, its handling can be tricky due to its rear-wheel-drive configuration.

2. Grotti Itali GTO Stinger TT
   - Top Speed (with HSW): 168.50 mph (271.17 km/h)
   - Price: $2,380,000
   - Offers excellent straight-line speed but may struggle with handling compared to other vehicles.

3. Übermacht Niobe
   - Top Speed (with HSW): 159.50 mph (256.69 km/h)
   - Price: $1,880,000
   - Known for its all-wheel-drive capabilities, providing great launch and handling, making it ideal for circuit racing.

4. Declasse Vigero ZX
   - Top Speed (with HSW): 158.00 mph (254.28 km/h)
   - Price: $1,947,000
   - Notes: Offers a balance of speed and affordability.

5. Shitzu Hakuchou Drag Bike
   - Top Speed (with HSW): 157.50 mph (253.47 km/h)
   - Price: $976,000
   - The fastest bike in GTA Online GTA 5 Modded Accounts buy, ideal for Time Trials due to its high speed and extended wheelbase.