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2004 Saturn ion tire sizes & fitment

Approved tire and wheel sizes for the 2004 Saturn Ion, sourced from manufacturer fitment data and refreshed monthly.

Approved fitments

Tire size Rim size PCD (bolt pattern) Offset Load index Speed rating
215/45R17 OEM R17 4x100 N/A N/A N/A
185/70R14 OEM R14 4x100 N/A N/A N/A
195/60R15 OEM R15 4x100 N/A N/A N/A
205/55R16 OEM R16 4x100 N/A N/A N/A

2004 Saturn ion wheel bolt pattern & specs

Bolt pattern (PCD)4x100
Wheel thread / lug sizeM12x1.5
Center bore57.1 mm
Sourceadaptitusa-reference

The 2004 Saturn Ion uses a 4x100 bolt pattern, M12x1.5 lug thread, and a 57.1 mm center bore. Bolt pattern and hub specs are stable across a model generation; always confirm against your vehicle's existing wheel before buying aftermarket wheels, spacers, or adapters. Source: community wheel-fitment reference data. Full wheel specs →

Best by use case

Four tires, four jobs

Best all-season

Bridgestone

Turanza QuietTrack

all-season touring, UTQG 800, 80,000-mi warranty

Best budget

Goodyear

Assurance MaxLife

Lowest cost per mile in this size; UTQG 820

Best quiet

Bridgestone

Turanza QuietTrack

68 dB cabin noise (EU label); quietest in this size

Best winter

Bridgestone

Blizzak WS90

Dedicated winter (premium compound); ice/snow grip

See the best tires for the Saturn Ion, ranked by category →

Tire recalls & safety complaints for the Saturn Ion →

Plus-size and winter-downsize options for every Saturn Ion factory size →

Compatible alternative sizes for 215/45R17

Sizes within the ETRTO ±3% overall-diameter safe-fit tolerance. Each row links to the size's own page.

Alternative size%Δ ODCategoryVerdict
245/50R15 0.11% alternative Safe
205/35R19 0.13% plus 2 Safe
195/50R17 0.24% winter narrower Safe
185/45R18 -0.26% plus 1 Safe
245/45R16 0.26% alternative Safe

For the full list of alternatives with comfort/handling impact, see 215/45R17 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 215/45R17 and verdict using the ETRTO ±3% rule.

Common upgrade paths

Use the plus-size calculator to evaluate any rim step against the OEM size.

How to choose tires for the 2004 saturn ion

The 2004 Saturn Ion ships from the factory on 215/45R17 tires mounted on R17 wheels. 4 approved fitments are documented for this model year, allowing some flexibility between performance, comfort, and winter compounds. The Compatible alternative sizes table above lists every safe substitution within the ETRTO ±3% overall-diameter tolerance.

Tire choice on the Saturn Ion 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 2004 Saturn Ion 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 2004 Saturn Ion, 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 2004 saturn ion

6
Complaints
0
Crashes
0
Injuries
0
Deaths

Top issue category: Tires (General)

Most reported: Tires (General) (5) · Sidewall (1)

Reported across: 2004 – 2004 (1 year)

What owners described

Tread or belt separation is the most common description, in 18% of these reports. Percentages are shares of the 22 reports covering every model year of the Saturn Ion that include a written account; a single report can describe more than one problem, so they do not total 100%.

Reported problemThis subjectAll tire complaintsRelative
Tread or belt separation 18% 13% 1.4×
Blowout or sudden deflation 18% 20% 0.9×
Sidewall failure 18% 15% 1.2×
Loss of control, rollover or collision 18% 8% 2.2×
Bubble or bulge in the tire 5% 6% 0.8×
Cracking or dry rot 5% 9% 0.5×

Mileage at failure

11 of these reports state an odometer reading. The middle report is at 20,300 miles, with 8 in 10 falling between 5,793 and 48,000 miles.

In owners' own words

Verbatim excerpts from complaints filed with NHTSA about Saturn Ion. Reports are published by NHTSA as filed and are lightly cleaned here only to remove intake codes.

WHILE TRAVELING ON AN INTERSTATE HIGHWAY, OBSERVED A SOFT FLAPPING SOUND THAT CAUSED CONCERN. BEFORE I COULD SLOW DOWN OR TAKE ANY ACTION THE LEFT REAR TIRE TREAD SEPARATED FROM THE WHEEL AND THEN THE COMPLETE TIRE WAS EJECTED FROM THE VEHICLE. I WAS ABLE TO EXIT THE ROADWAY AND CALLED THE STATE HIGHWAY PATROL. TO REPORT THE INCIDENT AND REQUEST ROADSIDE ASSISTANCE.

NHTSA complaint 565274 · 2004 vehicle

IN TWO SEPARATE INCIDENTS WE WERE DRIVING AT SPEEDS OF, 65, AND 55 MPH RESPECTIVELY WHEN WE HEARD A LOUD THUMPING NOISE. THE FIRST TIME ON THE FRONT PASSENGER'S SIDE TIRE AS SOON AS WE PULLED OVER IT BLEW OUT. THE SECOND TIME ON THE FRONT DRIVER'S SIDE TIRE WHEN WE FELT AROUND ON THE INSIDE OF THE TIRE WE COULD FEEL A KNOT ON THE SIDEWALL, WHERE IT WAS ABOUT TO FAIL JUST LIKE THE FIRST.

NHTSA complaint 629728 · 2007 vehicle

THE CONTACT OWNS A 2003 SATURN ION. THE VEHICLE HAS FIRESTONE INFINITI TIRES, SIZE 195/60R15 (NA). ON THREE ISOLATED EVENTS, WITHIN A FIVE WEEK PERIOD, THE VALVE STEM ON THE TIRES FAILED. THE TIRES LOST PRESSURE OVERNIGHT ON TWO OCCASIONS. DURING THE MOST RECENT FAILURE, WHILE DRIVING 55 MPH, THE TIRE LOST COMPLETE PRESSURE AND THE CONTACT NEARLY LOST CONTROL OF THE VEHICLE. HE STILL HAS POSSESSION OF ONE OF THE TIRES. THE DEALER STATED THAT THEY WOULD NOT BE RESPONSIBLE BECAUSE THEY WERE NOT THE MANUFACTURERS. THE FAILURE AND CURRENT MILEAGES WERE 48,000. UPDATED 07/15/08 *BF UPDATED7/15/08.

NHTSA complaint 675354 · 2003 vehicle

THE CONTACT OWNS A 2005 SATURN ION. THE VEHICLE HAS THE ORIGINAL FIRESTONE AFFINITY TOURING TIRES. ALL FOUR TIRES HAVE CRACKED TO THE POINT THAT A TIRE GAUGE CAN BE PLACED INSIDE. THE VEHICLE WAS TAKEN TO THE INSPECTION STATION AND THE CONTACT WAS ORDERED TO REPLACE THE TIRES. SHE WENT TO A LOCAL FIRESTONE DEALER AND WAS INFORMED THAT SHE NEEDED TO REPLACE HER TIRES AND THAT THE FAILURE WAS NOT UNDER RECALL. THE CONTACT PAID FOR NEW TIRES, BUT BELIEVES THAT THE MANUFACTURER SHOULD HAVE BEEN RESPONSIBLE FOR THE REPAIRS. THE DOT NUMBER AND TIRE SIZE WERE UNKNOWN. THE FAILURE AND CURRENT MILEAGES WERE 23,240. UPDATED 10/16/08. *LJ UPDATED 10/17/08.

NHTSA complaint 687123 · 2005 vehicle

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 2004 Saturn Ion?
The OEM tire size for the 2004 Saturn Ion is 215/45R17 mounted on R17 wheels.. Trim levels and option packages can shift the original fitment; confirm against your specific vehicle's driver-door placard before purchase.
What is the bolt pattern of a 2004 Saturn Ion?
The 2004 Saturn Ion has a 4x100 bolt pattern with a 57.1 mm center bore and M12x1.5 wheel studs. Bolt pattern is consistent across the model generation; confirm against your existing wheel before fitting aftermarket wheels or adapters.
Can I run a different tire size on my 2004 Saturn Ion?
Plus-sizing (larger rim, lower aspect) is possible within ±3% of the OEM overall diameter per the ETRTO safe-fit standard. The Compatible alternative sizes table on this page lists every safe option for the OEM size. Always confirm with the manufacturer or a qualified tire shop before deviating from the placard.
Where can I buy tires for my 2004 Saturn Ion?
Online tire retailers in our affiliate network carry every size documented for this vehicle. Use the Shop online buttons above to compare prices across them; variance of $20–$40 per tire is common between merchants. The <a href="/tools/tire-install-cost-calculator/">install cost calculator</a> estimates the out-the-door including mount, balance, TPMS, and disposal by state.
What is the recommended tire pressure for the 2004 Saturn Ion?
The cold-inflation pressure is printed on the driver-door placard of your specific vehicle and varies by trim, tire size, and loaded vs unloaded condition. Typical OEM front and rear pressures fall between 30 and 36 psi for passenger trims and 32–40 psi for SUV/truck variants, but the placard is the authoritative source.
Can I fit winter tires in a different size on my 2004 Saturn Ion?
Yes; the standard winter-tire fitment pattern is one width step narrower than OEM (e.g. 225 → 215) with the aspect ratio bumped up to preserve overall diameter. Narrower tires increase contact pressure on snow for better traction. The Compatible alternative sizes table includes any winter-friendly options that fall within ±3% OD for this vehicle.
How often should I rotate the tires on my 2004 Saturn Ion?
Every 5,000–7,500 miles is the typical OEM recommendation for passenger vehicles. AWD vehicles and high-torque trucks benefit from the shorter interval. Documented rotation history is also a tire-warranty prerequisite; most manufacturer treadwear claims require rotation receipts at the warranty inspection.

For broader tire questions; replacement timing, UTQG, EV-specific tires, winter swaps; see the tire FAQ.

Sources for this page

  1. Vehicle owner's manual tire & wheel placard; door-jamb placard on the Saturn Ion is the authoritative source for OEM tire size, load index, and cold-inflation pressure for your specific trim.
  2. NHTSA SaferCar; recall lookup for the 2004 Saturn Ion.
  3. ETRTO 2024 Standards Manual §2.3; overall-diameter math used for the alternative-size verdicts above.
  4. Tire & Rim Association 2025 Yearbook; load-index to maximum-load reference.

Last verified 2026-10-07.