2010 Chevrolet Blazer Tire Size

Q: Can I fit winter tires in a different size on my 2010 Chevrolet Blazer?

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.

Approved fitments

Tire size	Rim size	PCD (bolt pattern)	Offset	Load index	Speed rating
225/75R15 OEM	7x15	N/A	36mm	105	S
235/70R16 OEM	7x16	N/A	50mm	105	T
235/75R15	7x15	N/A	50mm	105	S

Best by use case

Four tires, four jobs

Best all-season

Continental

CrossContact LX 225/75R15

all-season touring

Best budget

Toyo

Extensa A/S II

Lowest cost per mile in this size; UTQG 620

Compatible alternative sizes for 225/75R15

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
`195/80R16`	-0.01%	plus 1	Safe
`205/70R17`	0.04%	plus 2	Safe
`215/85R14`	0.36%	winter narrower	Safe
`225/70R16`	0.40%	plus 1	Safe
`225/80R14`	-0.40%	alternative	Safe

For the full list of alternatives with comfort/handling impact, see 225/75R15 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 225/75R15 and verdict using the ETRTO ±3% rule.

Common upgrade paths

Plus-1: 195/80R16; one rim size up, -0.01% OD change. Sharper steering, mild ride penalty, modest cost premium.
Plus-2: 205/70R17; two rim sizes up, 0.04% 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 2010 chevrolet blazer

The 2010 Chevrolet Blazer ships from the factory on 225/75R15 tires mounted on 7x15 wheels, with a load index of 105 and a speed rating of S. 3 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 Chevrolet Blazer comes down to three trade-offs that matter more than brand loyalty: load index (must equal or exceed the OEM number, in this case 105), speed rating (must match or exceed the placard, here S), 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 2010 Chevrolet Blazer 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 2010 Chevrolet Blazer, 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 2010 chevrolet blazer

149

Complaints

13

Crashes

23

Injuries

2

Deaths

Top issue category: Tires (General)

Most reported: Tires (General) (93) · Tread / Belt (36) · Sidewall (10) · Spare Tire (9) · Markings (1)

Reported across: 1978 – 2025 (30 years)

What owners described

Loss of control, rollover or collision appears in 16% of these reports; about 2.0× as often as across all tire complaints. Percentages are shares of the 79 reports covering every model year of the Chevrolet Blazer 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
Loss of control, rollover or collision	16%	8%	2.0×
Blowout or sudden deflation	11%	20%	0.6×
Sidewall failure	11%	15%	0.8×
Tread or belt separation	8%	13%	0.6×
Cracking or dry rot	8%	9%	0.8×
Bubble or bulge in the tire	3%	6%	0.4×

Mileage at failure

36 of these reports state an odometer reading. The middle report is at 25,712 miles, with 8 in 10 falling between 5,000 and 70,000 miles.

In owners' own words

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

THE CONTACT OWNS A 2004 CHEVROLET BLAZER. THE CONTACT WAS DRIVING 45 MPH IN RAINY WEATHER WHEN THE VEHICLE HYDRO PLANED AND THE CONTACT CRASHED INTO AN UNKNOWN OBJECT. THE CONTACT SUSTAINED TWO BROKEN BONES AND TORN MUSCLES IN THE ELBOW OF HER LEFT ARM. THE PASSENGER SUSTAINED BRUISING AND SWELLING TO THE LEFT ANKLE. THE VEHICLE WAS NOT REPAIRED OR DIAGNOSED BUT DEEMED AS DESTROYED. THE MANUFACTURER WAS NOT MADE AWARE OF THE DEFECT. THE APPROXIMATE FAILURE MILEAGE WAS 70,000.

NHTSA complaint 1000406 · 2004 vehicle

THE CONTACT OWNS A 1998 CHEVROLET BLAZER. WHILE DRIVING 50 MPH, THE CONTACT HEARD A LOUD BANGING SOUND AND DISCOVERED THAT THE REAR PASSENGER SIDE TIRE DETACHED FROM THE VEHICLE. AS A RESULT, THE VEHICLE DROPPED TO THE PAVEMENT. IN ADDITION, ALL OF THE BOLTS SHEARED OFF, THE LUG NUT WAS MISSING, AND THE ROTOR WAS DESTROYED. THE QUARTER PANEL AND THE BUMPER WERE BENT. THE VEHICLE WAS NOT DIAGNOSED, BUT THE CONTACT WAS ABLE TO RE-ATTACH THE TIRE TO THE VEHICLE AND REPLACE THE STUDS. THE MANUFACTURER WAS NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 50,000. UPDATED 10/03/14*LJ UPDATED 3/10/2015

NHTSA complaint 1094362 · 1998 vehicle

A CHUNK OF APPROXIMATELY 2-3" BLEW OUT OF THE SIDEWALL OF THE REAR PASSENGER TIRE. MY DAUGHTER WAS DRIVING, AND SHE LOST CONTROL AFTER THE TIRE BLEW AND HIT A TREE HEAD ON AT 45 MPH. THE VEHICLE WAS TOTALED AND MY DAUGHTER HAS MULTIPLE INJURIES, INCLUDING A FRACTURED KNEECAP, SPRAINED JAW, DISC PROTRUSIONS AT C6/C7 AND L5/S1. SHE IS HAVING HEADACHES AND FACIAL PAIN AND A BRAIN MRI WAS PERFORMED YESTERDAY. WE'LL HAVE THOSE RESULTS SOMETIME NEXT WEEK. THE TIRE WAS PURCHASED IN OCTOBER 2013, WAS 20% WORN AND HAD NO SIGNS OF INFLATION PROBLEMS OR SIGNS OF ANYTHING STRIKING THE TIRE. IT WAS A GOODYEAR TIRE.

NHTSA complaint 1139663 · 2000 vehicle

THE CONTACT OWNS A 1997 CHEVROLET BLAZER EQUIPPED WITH CAPITOL PRECISION TRAC II TIRES, SIZE: 235/75R15. THE CONTACT STATED THAT THE TIRES EXPERIENCED ISSUES WITH BALANCING. THE CONTACT WAS MADE AWARE OF NHTSA CAMPAIGN NUMBER: 14T013000 (TIRES); HOWEVER, HE WAS UNABLE TO GET THE RECALL REPAIR COMPLETED DUE TO LACK OF COMMUNICATION FROM THE MANUFACTURER. THE MANUFACTURER WAS NOTIFIED, BUT THE CONTACT DID NOT RECEIVE A RESPONSE AFTER THE INITIAL CONTACT. THE VIN WAS UNKNOWN. THE VEHICLE FAILURE MILEAGE WAS 63,000. THE TIRE FAILURE MILEAGE WAS APPROXIMATELY 6,000.

NHTSA complaint 1455906 · 1997 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 2010 Chevrolet Blazer?

The OEM tire size for the 2010 Chevrolet Blazer is 225/75R15 mounted on 7x15 wheels. Load index 105, speed rating S. Trim levels and option packages can shift the original fitment; confirm against your specific vehicle's driver-door placard before purchase.

Can I run a different tire size on my 2010 Chevrolet Blazer?

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 2010 Chevrolet Blazer?

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 2010 Chevrolet Blazer?

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 2010 Chevrolet Blazer?

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 2010 Chevrolet Blazer?

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

Vehicle owner's manual tire & wheel placard; door-jamb placard on the Chevrolet Blazer is the authoritative source for OEM tire size, load index, and cold-inflation pressure for your specific trim.
NHTSA SaferCar; recall lookup for the 2010 Chevrolet Blazer.
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.