Car Tire Size / Cars / Ram 1500
Ram 1500 tire size and oil
What fits a Ram 1500, generation by generation: the factory tire sizes by trim, the engine oil and the wiper blade lengths. Each line is checked against two independent sources. Before you buy, read the sticker inside the driver's door: it lists the size your 1500 left the factory with.
2019-2026 Ram 1500 (fifth generation (DT))
Factory tire sizes
- Model year 2022: Tradesman 275/65R18; Limited 275/55R20; Rebel LT275/70R18; TRX LT325/65R18.1,2,3 #
- 2025-2026: Tradesman 275/65R18; Laramie 275/55R20 (22-inch optional); Tungsten 285/45R22; Rebel LT275/70R18; RHO LT325/65R18.4,5,6 #
Engine oil
- 3.6L V6 (eTorque): SAE 0W-20, 5 US qt (4.7 L) with the filter.7,8 #
- 5.7L Hemi V8: 7 US qt (6.6 L) of oil with the filter. On the 2026 model the recommended grade is SAE 0W-20.7,9,10 #
- 3.0L Hurricane twin-turbo I6 (2025+): 7.5 US qt (7.1 L) with the filter; the High Output version takes SAE 0W-40.7,11,12 #
Wiper blades
| Size | Overall diameter, in | Width, in | Sidewall, in | Revolutions per mile |
|---|---|---|---|---|
| 275/65R18 | 32.1 | 10.8 | 7.0 | 629 |
| 275/55R20 | 31.9 | 10.8 | 6.0 | 632 |
| LT275/70R18 | 33.2 | 10.8 | 7.6 | 608 |
| LT325/65R18 | 34.6 | 12.8 | 8.3 | 582 |
| 285/45R22 | 32.1 | 11.2 | 5.0 | 628 |
From the shortest factory size, 275/55R20 (31.9 in tall), to the tallest, LT325/65R18 (34.6 in), the overall diameter grows 8.5%. Fit the tall one on a vehicle set up for the short one and, at an indicated 60 mph, you are really doing about 65.1 mph. Stay with the sizes listed for your trim, or compare two sizes first.
2009-2018 Ram 1500 (fourth generation (DS))
Factory tire sizes
- Model year 2016: base trims 265/70R17; Laramie 275/60R20; Sport Regular Cab 285/45R22; Rebel LT285/70R17.15,16,17 #
| Size | Overall diameter, in | Width, in | Sidewall, in | Revolutions per mile |
|---|---|---|---|---|
| 265/70R17 | 31.6 | 10.4 | 7.3 | 638 |
| 275/60R20 | 33.0 | 10.8 | 6.5 | 611 |
| 285/45R22 | 32.1 | 11.2 | 5.0 | 628 |
| LT285/70R17 | 32.7 | 11.2 | 7.9 | 617 |
From the shortest factory size, 265/70R17 (31.6 in tall), to the tallest, 275/60R20 (33.0 in), the overall diameter grows 4.4%. Fit the tall one on a vehicle set up for the short one and, at an indicated 60 mph, you are really doing about 62.6 mph. Stay with the sizes listed for your trim, or compare two sizes first.
How we checked this page
Checked on October 17, 2026. We kept a fact only when two independent sources agree, and each one is numbered to its sources below; every fact has its own link (#) so you can point to it. Diameters, widths, sidewalls and revolutions are calculated from the size code, not quoted. We never write a price: the listings come straight from eBay and show what sellers ask. This page was written with an AI assistant and checked against the sources below.
Sources
- Find 2022 Ram 1500 Tires, Goodyear
- 2022 Ram 1500 TRX Crew Cab 4x4 specifications, Guide Auto Web
- 2022 Ram 1500 Rebel Crew Cab 4x4 specifications, Guide Auto Web
- 2025 Ram 1500 tires, Goodyear
- 2026 Ram 1500 Tungsten Crew Cab specifications, Guide Auto Web
- 2026 Ram 1500 RHO Crew Cab specifications, Guide Auto Web
- 2026 Ram 1500 Owner Handbook (Fluid Capacities; Fluids and Lubricants), Stellantis
- 2021 Ram 1500 PICKUP (3.6L Engine Code [G] ERG G) Motor Oil, AMSOIL
- 2026 Ram 1500 PICKUP (5.7L Engine Code [T] EZL T) Motor Oil, AMSOIL
- 2020 Ram 1500 PICKUP (5.7L Engine Code [T] EZH T) Motor Oil, AMSOIL
- 2026 Ram 1500 PICKUP (3.0L Engine Code [P] EFH P Turbo) Motor Oil, AMSOIL
- 2026 Ram 1500 PICKUP (3.0L Engine Code [P] EFC 1 Turbo) Motor Oil, AMSOIL
- Best Wiper Blade Size & Type for Ram 1500 2024, Rain-X
- 2024 Ram 1500 wiper blades, etrailer.com
- 2016 Ram 1500 tires, Goodyear
- 2016 Ram 1500 4WD Crew Cab 140.5 Rebel specifications, Guide Auto Web
- 2016 Ram 1500 2WD Reg Cab 120.5 Sport specifications, Guide Auto Web