RHO 4X4
What the RHO adds over the Tradesman
| Spec | Tradesman | RHO |
|---|---|---|
| Front brake type | vented disc, 2-piston pin-slider caliper with ABS | inverted hat (outboard venting) rotors, 2-piston pin-slider caliper with ABS |
| Aspiration | naturally aspirated | twin turbo |
| Engine displacement | 3604 cc | 2993 cc |
| Fuel injection system | Sequential, multiport, electronic, returnless | gdi mpi |
| Horsepower | 305 hp | 540 hp |
| Minimum recommended octane | 87 | 91 |
| Torque | 271 lb-ft | 521 lb-ft |
| Engine type (full description) | 3.6-liter Pentastar V-6 eTorque, 60-degree gasoline V-6 with VVT, liquid-cooled | 3.0-liter Straight-Six Twin Turbo High Output (SST HO), in-line six-cylinder, liquid-cooled, direct injection, gasoline |
| Valve configuration | DOHC | DOHC 24-Valve |
| Fuel tank capacity | 26 gal | 33 gal |
| Ground clearance | 7.8 in | 9.4 in |
| Third-row headroom | 39.2 in | 39.9 in |
| Third-row legroom | 35.3 in | 44.8 in |
| MPG (city) | 20 mpg | 15 mpg |
| MPG (combined) | 22 mpg | 17 mpg |
| MPG (highway) | 25 mpg | 21 mpg |
| Overall height | 77.5 in | 81.9 in |
| Overall length | 228.4 in | 233.7 in |
| Overall width | 81.2 in | 88 in |
| Front suspension type | Upper and lower A-arms, twin-tube shock absorbers and stabilizer bar | Upper and lower A-arms, coil springs, Bilstein e2 Blackhawk active performance shock absorber |
| Rear suspension type | Five-link with track bar, stabilizer bar, twin-tube shock absorbers, solid axle | Five-link with track bar, coil springs, Bilstein e2 Blackhawk active damping twin-tube performance shock absorbers, solid axle |
| Tire size | 275/55R20 | 325/65R18 |
| Final drive ratio | 3.21, 3.55 | 3.21, 3.55, 3.92 |
| Turning radius (curb-to-curb) | 45.1 ft | 48.3 ft |
| Wheel diameter | 20 in | 18 in |
Standard here, not on the base trim: 3.0-liter Twin Turbo, High Output (SST HO), eight-speed automatic transmission, 3.92 axle ratio, 33-gallon fuel tank, 4x4, Active-level four-corner air suspension system, Anti-spin differential (electronic locking and anti-spin are mutually exclusive), Crew Cab 5-ft. 7-in. box — 144.5-in. wheelbase, Electronic full-time transfer case with drive modes, Electronic on-demand transfer case, Electronic-locking differential, Exterior power-folding mirrors with signal and puddle lamps, Launch control, shift light, long-travel suspension system with active damping (RHO), Premium — 10-speaker sound system, Uconnect 12-in. Radio
Specifications
Source: manufacturer press kitBrakes
| Front brake diameter | 378 mm |
| Front brake type | inverted hat (outboard venting) rotors, 2-piston pin-slider caliper with ABS |
| Rear brake diameter | 375 mm |
| Rear brake type | disc, single-piston pin-slider caliper with ABS |
Dimensions Exterior
| Ground clearance | 9.4 in |
| Overall height | 81.9 in |
| Overall length | 233.7 in |
| Overall width | 88 in |
| Wheelbase | 145.1 in |
Engine Basics
| Aspiration | twin turbo |
| Cylinder count | 6 |
| Engine displacement | 2993 cc |
| Fuel injection system | gdi mpi |
| Engine type (full description) | 3.0-liter Straight-Six Twin Turbo High Output (SST HO), in-line six-cylinder, liquid-cooled, direct injection, gasoline |
| Valve configuration | DOHC 24-Valve |
Engine Output
| Horsepower | 540 hp |
| Torque | 521 lb-ft |
Fuel Economy
| MPG (city) | 15 mpg |
| MPG (combined) | 17 mpg |
| MPG (highway) | 21 mpg |
Fuel System
| Minimum recommended octane | 91 |
| Fuel tank capacity | 33 gal |
Headroom
| Front headroom | 40.9 in |
| Third-row headroom | 39.9 in |
Legroom
| Front legroom | 40.9 in |
| Third-row legroom | 44.8 in |
Seating
| Passenger seating capacity | 6 |
Shoulder Room
| Front shoulder room | 66 in |
| Third-row shoulder room | 65.7 in |
Steering
| Steering type | Electric power steering |
| Turning radius (curb-to-curb) | 48.3 ft |
Suspension
| Front suspension type | Upper and lower A-arms, coil springs, Bilstein e2 Blackhawk active performance shock absorber |
| Rear suspension type | Five-link with track bar, coil springs, Bilstein e2 Blackhawk active damping twin-tube performance shock absorbers, solid axle |
Tires
| Tire size | 325/65R18 |
Transmission
| Final drive ratio | 3.21, 3.55, 3.92 |
| Transmission speeds | 8 |
| Transmission type | automatic |
Wheels
| Wheel diameter | 18 in |
Standard & optional equipment
Source: manufacturer press kitSafety5 std · 8 opt
- Surround View camera optional
- ParkView rear backup camera with dynamic gridlines and center lines
- Evasive Steer Assist optional
- Drowsy Driver Detection optional
- Active Lane Management
- Adaptive Cruise Control
- Blind-spot Monitoring with trailer coverage and Rear Cross Path detection
- ParkSense front and rear park assist with automatic reverse stop
- Autonomous Parallel/Perpendicular Park Assist (included in Advanced Safety Group) – late availability optional
- Hands-free Active Drive Assist optional
- Intersection Collision Warning optional
- Traffic Sign Recognition/Information optional
- Trailer Reverse Steering Control optional
Infotainment2 std · 3 opt
- Dual wireless charging pad optional
- Premium — 10-speaker sound system
- Uconnect 12-in. Radio
- Head-Up Display (included in Advanced Technology Group) optional
- Uconnect 14.5-in. Radio optional
Seating0 std · 2 opt
- Rear seat – heat (3 adjustable levels each) optional
- Massaging seats (driver and front passenger) optional
Exterior2 std · 1 opt
- Exterior power-folding mirrors with signal and puddle lamps
- Crew Cab 5-ft. 7-in. box — 144.5-in. wheelbase
- Dual pane, power-operated sunroof (Crew Cab only) optional
Powertrain9 std · 0 opt
- 3.0-liter Twin Turbo, High Output (SST HO), eight-speed automatic transmission
- 3.92 axle ratio
- 33-gallon fuel tank
- 4x4
- Anti-spin differential (electronic locking and anti-spin are mutually exclusive)
- Electronic full-time transfer case with drive modes
- Electronic on-demand transfer case
- Electronic-locking differential
- Launch control, shift light, long-travel suspension system with active damping (RHO)
Chassis1 std · 0 opt
- Active-level four-corner air suspension system
Cargo0 std · 4 opt
- Bed Utility Group optional
- Integrated electronic trailer brake controller (requires Class IV trailer hitch; included with Trailer-tow Group) optional
- Trailer Technology Package optional
- Trailer-tow Group optional
Ranked by what shoppers ask about first; standard equipment before options.
Transcribed from the manufacturer's official press kit for the 2025 1500. Confirm with the window sticker for a specific unit.
The cheapest ownership win
Insurers price the 2025 1500 very differently, and the gap between the best and worst quote on the same car and driver is usually larger than any option you are weighing on this page.
How to compare cover →Affiliate disclosure: some links on this page are affiliate links. If you request a quote or buy through them we may earn a commission at no extra cost to you. Nothing on this page changes because of it.
Common questions about the RHO
Source: EPA, NHTSA and manufacturer press kitsWhat does the 2025 Ram 1500 RHO add over the Tradesman?
Against the Tradesman, 14 features become standard that the Tradesman does not and 26 published specifications differ. Both lists are on this page, taken from the manufacturer's own press material.