What Does TRX Stand For? Where the Ram TRX Name Comes From

TRX does not officially stand for anything. Ram reused a name it already owned from the 2016 Ram Rebel TRX concept, and its designers say the T-Rex link came from fans. The TRX is Ram's supercharged HEMI V8 off-road 1500: 702 hp for 2021–2024, and 777 hp for the returning 2027 Ram 1500 SRT TRX.

By CarWhere Research · Updated November 3, 2026

TRX generations at a glance

Ram TRX and RHO: engine, Ram-claimed output, 0–60 mph time and top speed
Truck	Engine	Output	0–60 mph (claimed)	Top speed	Notes
Ram 1500 TRX (2021–2024)	Supercharged 6.2L HEMI V8	702 hp / 650 lb-ft	4.5 s	118 mph	Ended with the 2024 Final Edition
Ram 1500 RHO (2025–)	Twin-turbo 3.0L Hurricane High Output I6	540 hp / 521 lb-ft	4.6 s	118 mph	Six-cylinder desert truck sold while the TRX was paused
Ram 1500 SRT TRX (2027)	Supercharged 6.2L HEMI V8	777 hp / 680 lb-ft	3.5 s (Launch Control)	—	$99,995 MSRP + $2,595 destination; on sale 2H 2026

Manufacturer-claimed figures; “—” where Ram has not published one.

Where the TRX name came from

The badge is older than the truck. Dodge had used TRX on earlier Dakota and Ram off-road packages, and Ram revived it for the Ram Rebel TRX concept at the 2016 State Fair of Texas. When the production truck was approved, Ram's designers have said, the team kept a name it already had the rights to rather than clear a new one — which is why TRX has no official expansion.

The “T. rex” reading stuck anyway, and Ram embraced it with dinosaur Easter eggs on the 2021 truck. For 2027 the truck adds the SRT name — see what SRT stands for.

What makes a TRX different from other Ram 1500s

A supercharged 6.2L HEMI V8 (the engine family used in Dodge Hellcat models) and an eight-speed automatic with full-time four-wheel drive.
Adaptive long-travel suspension — about 13 inches of front and 14 inches of rear wheel travel — with a coil-spring five-link rear and a Dana 60 rear axle with an electronic locker.
35-inch all-terrain tires and 11.8 inches of ground clearance on the 2027 truck, per Ram.
A wider body: Ram says the 2027 TRX is 2 inches taller and 8 inches wider than a standard Ram 1500.

Compare the regular half-ton lineup in Ford F-150 vs Ram 1500, and see Ram 1500 depreciation and Ram 1500 years to avoid before buying used. Build details by model are on the Ram 1500 build sheet page.

Buying a used TRX? Verify the equipment groups

TRX values swing on factory packages — Level 1 or Level 2 equipment groups, special editions, carbon-fiber and lighting options. Check the exact factory options of the truck before you buy. Enter the VIN on the Ram build sheet page: the availability check is free, and you pay $9.99 only if detailed build data exists for that truck.

Ram build sheet by VIN

Free availability check first · $9.99 one-time only if detailed build data exists for the VIN · no subscription

FAQ

What does TRX stand for on a Ram?

Officially, nothing. Ram has not published an expansion of TRX. Its design team has said the name was chosen partly because Ram already owned the rights to it, carried over from the Ram Rebel TRX concept shown at the 2016 State Fair of Texas. Fan expansions such as “Turbo Ram eXtreme” are not Ram’s.

Is the Ram TRX named after the T-Rex?

Not according to Ram’s designers, who have said the dinosaur link came from fans after the fact. Ram has leaned into it since: the truck’s badging and hidden design details include dinosaur motifs, and the redesigned 2027 emblem shows one.

How much horsepower does the Ram TRX have?

The 2027 Ram 1500 SRT TRX is rated at 777 hp and 680 lb-ft from a supercharged 6.2L HEMI V8, per Ram’s January 2026 announcement. The original 2021–2024 TRX made 702 hp and 650 lb-ft.

What is the difference between the TRX and the RHO?

The RHO (from 2025) uses a twin-turbo 3.0L Hurricane inline-six rated at 540 hp and 521 lb-ft; the TRX uses a supercharged 6.2L V8 at 702 hp (2021–2024) or 777 hp (2027). Both are high-speed off-road Ram 1500s with long-travel suspension and 35-inch tires.

How much does a Ram TRX cost?

Ram lists the 2027 Ram 1500 SRT TRX at $99,995 MSRP plus a $2,595 destination charge. Used 2021–2024 TRX prices depend heavily on model year, mileage and packages such as the TRX Level 2 Equipment Group or special editions.

Sources

Ram / Stellantis — “The Apex Pickup Returns: Ram’s TRX is Back” (Jan 1, 2026) — 2027 Ram 1500 SRT TRX: 777 hp, 680 lb-ft, 0–60 mph 3.5 s, $99,995 + $2,595 destination
Ram — Ram 1500 (ramtrucks.com) — current 1500 lineup including RHO
Motor1 — “Ram TRX wasn’t named after T-Rex” (designer interview) — name origin
Motor1 — 2025 Ram 1500 RHO — RHO 540 hp / 521 lb-ft, 0–60 4.6 s, 118 mph (Ram-claimed)
Jalopnik — the first TRX was a Dodge Dakota — earlier Dodge use of the TRX badge

Performance figures are manufacturer claims as reported at each truck's launch; read November 3, 2026. Ram had not published a top speed for the 2027 SRT TRX at the time of writing.