Polaris RZR Pro R Ultimate
- Engine2.0L NA I-4
- Output225 HP
- Width74 in
- Suspension travel29 in (R)
- Bolt pattern5x114.3
- Stock wheel15 in
The Pro R Ultimate sits at the top of the Polaris RZR lineup and it's the only naturally aspirated sport UTV that can lay down dune-drag numbers like a turbo. A 2.0-liter inline-four producing 225 horsepower lets the Pro R hold a clean throttle uphill at full chat — no heat-soak, no turbo bog, no clutch-belt anxiety. That matters in Glamis where elevation changes and 100-degree days cook turbocharged machines.
For dune duty the Pro R wears the unique Polaris 5x114.3 bolt pattern (different from every other RZR), so plan tire purchases around the dedicated 15-inch sand rim. The 29 inches of rear travel and 74-inch stance make it stable at speed on whoops; the GPS-style Dynamix DV suspension on the Ultimate package adapts ride height to dune transitions in real time.
One reality check: the Pro R is heavy by class standards (around 2,070 lb dry on the 4-seat), and you'll want a 14-paddle high-horsepower rear setup, not a 10-paddle. Pair that with a sand-tuned clutch and Glamis is fundamentally yours.
Dune Accessory Shortlist for the Pro R
- → GMZ Sand Stripper 32x13R15 14-paddle · HP-grade Deep Cut Paddle, 6-ply bias build
- → 5150 Whips 187 Bluetooth LED Whips (Pair) · required 8-ft mast at Glamis
- → Sand-tuned clutch kit · paddle tires shift CVT load; clutch tune is mandatory
- → High-flow air filter or particle separator · dune dust is the #1 cause of Pro R engine wear
Why it wins on sand
- No turbo to heat-soak on long dune climbs
- 225 HP naturally aspirated power comes on the moment you ask for it
- 74-inch stance + 29 in rear travel = stable at speed in big whoops
- Dynamix DV adapts damping across dune transitions
Trade-offs
- Heaviest sport RZR by ~150 lb — needs 14-paddle, not 10-paddle
- 5x114.3 bolt pattern doesn't share rims with other Polaris models
- Premium pricing on the Ultimate trim ($40K+ MSRP)
- Big-bore cooling needs clean airflow — do not skip the prefilter