Ram 1500
2019+ 4x4
Factory gearing, tires, angles and brakes for the 1500, and what the usual upgrades do to it. Every number is from the maker's own figures unless the calculators say otherwise. A few figures here are still waiting on a factory document; the calculators mark them.
Stock tire275/55R2031.9 in tall
Axle ratio3.21–3.92Factory, by trim
Crawl ratio48.7:1Best trim: Crew Cab 5 ft 7 in, 5.7L HEMI (2019-24), coil springs
Angles19 · 19.5 · 24.9°Approach, breakover, departure
Clearance11.8 in8.7 to 11.8 in by trim
Highway mpg22EPA
Tire upgrades, worked out
Crew Cab 5 ft 7 in, 5.7L HEMI (2019-24), coil springs, 3.21s, from 275/55R20| Tire | Height | Under the diffs | Speedo at 65 | RPM at 65 | Gears for daily | Open |
|---|---|---|---|---|---|---|
| 33x12.50R20 | 33.0 in | +0.5 in | 63 mph | 1,424 | Keep 3.21s | Open → |
| 275/65R20 | 34.1 in | +1.1 in | 61 mph | 1,379 | 3.92 | Open → |
| 35x11.50R20 | 35.0 in | +1.5 in | 59 mph | 1,343 | 3.92 | Open → |
| 35x12.50R20 | 35.0 in | +1.5 in | 59 mph | 1,343 | 3.92 | Open → |
| 37x13.50R20 | 37.0 in | +2.5 in | 56 mph | 1,270 | 3.92 | Open → |
Stock turns 1,473 rpm at 65 in top gear. Flotation sizes are nominal; most measure a little short mounted.
Trims
5 we have figures for| Trim | Tire | Transmission | Axle | Angles | Clearance | Open |
|---|---|---|---|---|---|---|
| Crew Cab 5 ft 7 in, 5.7L HEMI (2019-24), coil springs | 275/55R20 | 8-speed automatic | 3.21 / 3.92 | 19 · 19.5 · 24.9 | 8.7 in | Use → |
| Quad Cab 6 ft 4 in, 3.6L V6 eTorque, coil springs | 275/55R20 | 8-speed automatic | 3.21 / 3.55 | 18.9 · 19.9 · 25 | 8.7 in | Use → |
| Crew Cab 3.0L Hurricane I6 (2025+) | 275/55R20 | 8-speed automatic | 3.21 / 3.55 / 3.92 | 19 · 19.5 · 24.9 | 8.7 in | Use → |
| Rebel | LT275/70R18 | 8-speed automatic | 3.92 | 20.9 · 19.2 · 22.2 | 9.5 in | Use → |
| TRX 6.2L supercharged (2021-24) | 325/65R18 | 8-speed automatic | 3.55 | 30.2 · 21.9 · 23.5 | 11.8 in | Use → |
Size
- Wheelbase
- 144.6 in
- Front overhang
- 39.8 in
- Rear overhang
- 48.8 in
- Height
- 77 in
- Body
- Pickup
- Stock tires
- 275/55R20, 325/65R18, LT275/70R18
Transmissions and low range
- 8-speed automatic (ZF 8HP75)
- 4.71 · 3.14 · 2.1 · 1.67 · 1.29 · 1 · 0.84 · 0.67
- 8-speed automatic (845RE/850RE)
- 4.71 · 3.14 · 2.1 · 1.67 · 1.29 · 1 · 0.84 · 0.67
- 8-speed automatic (ZF 8HP95, TRX)
- 4.71 · 3.14 · 2.11 · 1.67 · 1.29 · 1 · 0.84 · 0.67
- Low range, bw4812
- 2.64:1
- Low range, bw4811
- 2.64:1
- Low range, bw4813
- 2.64:1
Axles
- Front
- 215 mm (8.46 in) IFS front
- Rear
- 235 mm (9.25 in); TRX and max-tow 256 mm Dana 60 center section
- 3.21 ratio
- Crew Cab 5 ft 7 in, 5.7L HEMI (2019-24), coil springs, Quad Cab 6 ft 4 in, 3.6L V6 eTorque, coil springs, Crew Cab 3.0L Hurricane I6 (2025+)
- 3.55 ratio
- Quad Cab 6 ft 4 in, 3.6L V6 eTorque, coil springs, Crew Cab 3.0L Hurricane I6 (2025+), TRX 6.2L supercharged (2021-24)
- 3.92 ratio
- Crew Cab 5 ft 7 in, 5.7L HEMI (2019-24), coil springs, Crew Cab 3.0L Hurricane I6 (2025+), Rebel
- Ratios made for it
- 3.92 · 4.1 · 4.56
Brakes
- Front rotor
- 14.88 in, 378 mm
- Front caliper piston
- 57.0 mm
- Rear rotor
- 14.76 in, 375 mm
- Rear
- disc (ventilated)
Suspension
- Front
- double wishbone IFS, coilovers or air
- Rear
- 5-link (4 links plus track bar), coil springs; air optional
- Rear layout
- Factory 4-link
Fuel economy
- EPA highway
- 22 mpg
- Rated years
- 2019–2026, 4WD
Brake upgrades
What bigger tires need →- Wilwood TX6R front big brake kit 140-16790+9% brake torque14.9 → 16.0 in rotor · 6-piston · 20 in wheels or biggerNo price in the Wilwood flyer; -R part number is red powder coat.
- Rough Country 6-piston front brake system 951126-piston · $900Fat Bob's Garage listing; rotor size and wheel requirement not stated.
Aftermarket bumpers
17 listedMakers almost never publish angles, bottom heights or how far a bumper tucks, so these fill in as owners measure them. Measured yours? Add it on the rig page and every owner of this 1500 sees how it does on their tires and lift.
Front 10
- Addictive Desert Designs 2019-2024 RAM 1500 Black Label Front Bumper$1,599
- Body Armor 4x4 2019-2024 Dodge RAM 1500 Ambush Front Bumper (NON-WINCH)$1,100
- DV8 Offroad 2019-2025 Ram 1500 | Spec Series Front Bumper$1,250 · winch ready
- Fab Fours Red Steel DR19-RS4262-1 Dodge Ram 1500 2019-2025 Front Bumper with Pre-Runner Guard125 lb · $1,370
- Hammerhead LowPro Front Bumper 600-56-1186 2025 Ram 150080.95 lb · $1,753
- Ironman 4x4 Raid Front Bumper Kit for Ram 1500 (2019-2024)143 lb · $1,399 · winch ready
- Ranch Hand FSD19HBL1C 2019-2024 Dodge Ram 1500 Summit Series Front Bumper$1,868
- Road Armor Stealth Front Winch Base Bumper - Texture Black - 2025-2027 -RAM - 1500$2,642 · winch ready
- Warn Ascent Front Bumper for 2019-2024 Ram 1500$2,700 · winch ready
- Westin 58-41075 Ram 1500 2019-2024 Pro-Mod Front Bumper$1,374
Rear 7
- Addictive Desert Designs 2019-2024 RAM 1500 Black Label Rear Bumper$1,399
- Body Armor 4x4 2019-2024 Dodge RAM 1500 Ambush Rear Bumper$1,000
- DV8 Offroad 2019-2024 Ram 1500 | Spec Series Rear Bumper$1,000
- Fab Fours Red Steel DR19-RT4250-1 Dodge Ram 1500 2019-2025 Rear Bumper100 lb · $963
- Ranch Hand SBD19HBLSLE 2019-2024 Dodge Ram 1500 Sport Back Bumper (Dual Exhaust) Does not work with 1500 EcoDiesel or 1500 Classic$1,051
- Road Armor Stealth Rear Non-Winch Bumper - Texture Black - 2025-2027 -RAM - 1500$1,985
- Westin 58-81075 Ram 1500 2019-2025 Outlaw Rear Bumper$1,148
Every calculator, set up for the 1500
Tire sizeBigger tires: speedo, clearance, angles and brakes.Compare tiresRegearHighway RPM on every ratio and mpg.Pick your gearsCrawl ratioHow slow it creeps, against other trucks.Work out crawlSpeedometerWhat it really reads on new tires.Fix your speedoLinksAnti-squat and what a lift does to it.Check your linksYour rigBuild sheet and measured angles.Start a build sheetLeaderboardsWhere the 1500 ranks against every stock truck.See where it ranks
Source: media.stellantisnorthamerica.com.
Use at your own risk. These calculators are here to help you plan and to inform your decisions, not to sign off on a build. Many numbers are estimates worked out from factory figures, and some factory figures are not yet confirmed. Check every number against your own truck, its manuals and a qualified shop before you buy parts, cut, weld, lift, regear or drive on it. Long Range Desert Tools is not liable for anything you do based on these calculators or their results. The full terms are in our policies.