1999 Dodge ram tire sizes & fitment
Approved tire and wheel sizes for the 1999 Dodge Ram, sourced from manufacturer fitment data and refreshed monthly.
Approved fitments
| Tire size | Rim size | PCD (bolt pattern) | Offset | Load index | Speed rating |
|---|---|---|---|---|---|
| 215/85R16 OEM | R16 | N/A | N/A | N/A | N/A |
Best by use case
Four tires, four jobs
See the best tires for the Dodge Ram, ranked by category →
Tire recalls & safety complaints for the Dodge Ram →
Compatible alternative sizes for 215/85R16
Sizes within the ETRTO ±3% overall-diameter safe-fit tolerance. Each row links to the size's own page.
| Alternative size | %Δ OD | Category | Verdict |
|---|---|---|---|
185/85R18 |
-0.03% | plus 2 | Safe |
245/85R14 |
0.03% | alternative | Safe |
225/70R18 |
0.04% | plus 2 | Safe |
245/80R15 |
0.14% | alternative | Safe |
245/75R16 |
0.26% | wider | Safe |
For the full list of alternatives with comfort/handling impact, see 215/85R16 upsize options. To check an arbitrary size pair, use the tire compatibility calculator.
Check a different size against this vehicle
Type any tire size below; we'll compute its overall-diameter delta against the OEM 215/85R16 and verdict using the ETRTO ±3% rule.
Common upgrade paths
- Plus-1: 225/75R17; one rim size up, -0.34% OD change. Sharper steering, mild ride penalty, modest cost premium.
- Plus-2: 185/85R18; two rim sizes up, -0.03% OD change. Noticeable ride penalty, higher pothole risk, meaningful tire-cost premium.
Use the plus-size calculator to evaluate any rim step against the OEM size.
How to choose tires for the 1999 dodge ram 3500-reg-cab-4wd-dually
The 1999 Dodge Ram 3500-Reg-Cab-4wd-Dually ships from the factory on 215/85R16 tires mounted on R16 wheels. Only one approved fitment is documented for this model year, so replacement options should match the original size exactly unless a plus-size upgrade is being considered. The Compatible alternative sizes table above lists every safe substitution within the ETRTO ±3% overall-diameter tolerance.
Tire choice on the Dodge Ram comes down to three trade-offs that matter more than brand loyalty: load index (must equal or exceed the OEM number), speed rating (must match or exceed the placard), and UTQG treadwear (higher means longer life, lower usually means stickier rubber). Owners replacing factory tires with the same compound class, for example all-season for all-season, generally see no change in ride characteristics or fuel economy. Switching categories (performance summer to all-season touring, for example) is where the trade-offs show up at the contact patch.
For 1999 Dodge Ram 3500-Reg-Cab-4wd-Dually owners considering a plus-size upgrade, the safer option is a Plus-1 step (one rim size up with a 10-point aspect drop and ~10 mm of additional section width). Plus-2 is technically viable on this chassis if the alternative-sizes table lists a Plus-2 candidate within tolerance, but expect a meaningful ride-harshness penalty and a tire-cost premium of 30–60% per tire relative to the OEM fitment. For winter use the recommended pattern is one width step down (e.g. from a 235 to a 225) with the aspect ratio bumped up to preserve overall diameter; narrower tires apply higher contact pressure per square inch on snow, which translates directly into shorter braking distances. The plus-size calculator evaluates any specific rim step against this OEM size.
Before purchasing, verify the tire size on the driver-door placard of your specific 1999 Dodge Ram 3500-Reg-Cab-4wd-Dually, since trim levels and option packages can shift the original fitment from what is documented here. The placard reading is the authoritative source per FMVSS 110, and dealers will reference the placard rather than aftermarket catalogs when validating warranty claims.
NHTSA-reported issues for 1999 dodge ram
Top issue category: Tires (General)
Most reported: Tires (General) (16) · Valve (3) · Tread / Belt (2)
Reported across: 1999 – 1999 (1 year)
What owners described
Tread or belt separation appears in 24% of these reports; about 1.8× as often as across all tire complaints. Percentages are shares of the 105 reports covering every model year of the Dodge Ram that include a written account; a single report can describe more than one problem, so they do not total 100%.
| Reported problem | This subject | All tire complaints | Relative |
|---|---|---|---|
| Tread or belt separation | 24% | 13% | 1.8× |
| Blowout or sudden deflation | 16% | 20% | 0.8× |
| Sidewall failure | 12% | 15% | 0.8× |
| Loss of control, rollover or collision | 10% | 8% | 1.1× |
| Cracking or dry rot | 7% | 9% | 0.7× |
| Bubble or bulge in the tire | 5% | 6% | 0.8× |
Mileage at failure
34 of these reports state an odometer reading. The middle report is at 20,000 miles, with 8 in 10 falling between 2,000 and 50,000 miles.
In owners' own words
Verbatim excerpts from complaints filed with NHTSA about Dodge Ram. Reports are published by NHTSA as filed and are lightly cleaned here only to remove intake codes.
LOUD CLUNKING NOISE AND SENSATION IN STEERING LINKAGE WHILE BRAKING AND TURNING CORNERS. DEALER HAD SAME PROBLEM WITH ANOTHER RAM PICKUP. DEALER REPLACED UPPER AND LOWER BALL JOINTS. FIXED PROBLEM. HOWEVER, AFTER ADDITIONAL 10,000 MILES PROBLEM IS RE-OCCURRING. ALSO, THREE OF ORIGINAL FIVE TIRES HAD DEFECTS INCLUDING SIGNIFICANT BULGING AND PLY SEPARATION. RESULTED IN POOR TRACTION, EXCELERATED WEAR, AND BOUNCING. OWNER REPLACED TWO TIRES. WHEN THIRD TIRE FAILED, OWNER REPLACED ALL THE TIRES. DEALER STATED THEY RECEIVE MANY TIRE COMPLAINTS FROM NEW VEHICLE OWNERS WITH GOODYEAR TIRES.( DOT NUMBER: TIRE SIZE: P245 75R16 )
TRANSMISSION SLIPS AND FAILS ON INGRADES.... EXCESSIVE TIRE WEAR ON THE FRONT TIRES AND EXCESSIVE FUEL CONSUMPTION.. AND ROUGH VIBRATION IN THE FRONT END EVEN AFTER A TIRE CHANGE AND BALANCE, AND FRONT END ALIGNMENT... GAS MILAGE IS 230 MILES TO A 26 GALLON TANK OF GAS( DOT NUMBER: TIRE SIZE: P225/75R16 )
INVICTA GL TIRES WERE ON MY DODGE RAM CONVERSION VAN WHEN I PURCHASED IT NEW. THE TIRES WERE WORN TO 4/32 IN AT 8050 MILES. WHEN I TOOK THE VAN TO GOODYEAR THEY STATED THAT THEY WERE PASSENGER CAR TIRES AND THAT THEY DO NOT BELONG ON A VEHICLE OF THE RAMS SIZE AND WEIGHT.ALL THE VANS ON THE SALES LOT WERE EQUIPPED WITH THE INVICTAS. A CHEAP,SOFT AND UNSAFE TIRE FOR CONVERSION VANS AS STATED BY MARTY HAYES, GOODYEAR MANAGER. 716-873 1400 E( DOT NUMBER: TIRE SIZE: 235/75R15 )
PEOO 020; CONSUMER WAS TRAVELING ABOUT 65MPH ON HIGHWAY AND HEARD A NOISE. FRONT END STARTED TO SHAKE. THEN, THERE WAS A SECOND ACCIDENT WHEN RIGHT REAR TIRE BLEWOUT WHILE TRAVELING ABOUT 35MPH, AT THIRD ACCIDENT HE WAS TRAVELING 75MPH ON THE HIGHWAY, AND TREAD PEELED 360 DEGREES, BUT TIRE WAS STILL INFLATED. TREAD WAS HITTING AGAINST VEHICLE. THERE WERE NO INJURIES. THESE WERE BRIDGESTONE DUELER APT, #LT245/75R/16 #DOT 7BA3PUA178.
Complaints are voluntarily submitted to the NHTSA Office of Defects Investigation and are not verified by NHTSA; they represent owner-reported problems, not proven defects. Counts can be useful as a relative quality signal across comparable tires or vehicles.
Frequently asked questions
What size tires fit a 1999 Dodge Ram?
Can I run a different tire size on my 1999 Dodge Ram?
Where can I buy tires for my 1999 Dodge Ram?
What is the recommended tire pressure for the 1999 Dodge Ram?
Can I fit winter tires in a different size on my 1999 Dodge Ram?
How often should I rotate the tires on my 1999 Dodge Ram?
For broader tire questions; replacement timing, UTQG, EV-specific tires, winter swaps; see the tire FAQ.
Sources for this page
- Vehicle owner's manual tire & wheel placard; door-jamb placard on the Dodge Ram is the authoritative source for OEM tire size, load index, and cold-inflation pressure for your specific trim.
- NHTSA SaferCar; recall lookup for the 1999 Dodge Ram.
- ETRTO 2024 Standards Manual §2.3; overall-diameter math used for the alternative-size verdicts above.
- Tire & Rim Association 2025 Yearbook; load-index to maximum-load reference.
Last verified 2026-09-02.