Monarch is a British-themed manufacturer in the MotorStorm series. Their vehicles are generally based on real-world British designs (although their latest SuperMini resembles an Italian or French car), and range all the way from Dirt Bikes to Big Rigs.
- Monarch Backpacker
- Monarch Claymore (Also in RC as a Racing Truck)
- Monarch Deerstalker
- Monarch Drover (DLC)
- Monarch Mk 1
- Monarch Sparrowhawk
- Monarch GT101 (Also in RC)
- Monarch Tike (Also in RC)
- Monarch Trophy Tourer
- Monarch Vestige-R (Outlaw Vehicle Pack DLC, also in RC as DLC)
- In Pacific Rift, Monarch has the most trophy unlocked vehicles of any other manufacturer, having a total of four.