2006 Cadillac DTS tire sizes & fitment
Approved tire and wheel sizes for the 2006 Cadillac DTS, sourced from manufacturer fitment data and refreshed monthly.
Approved fitments
| Tire size | Rim size | PCD (bolt pattern) | Offset | Load index | Speed rating |
|---|---|---|---|---|---|
| 235/55R17 OEM | R17 | 5x115 | N/A | N/A | N/A |
| 245/50R18 OEM | R18 | 5x115 | N/A | N/A | N/A |
2006 Cadillac DTS wheel bolt pattern & specs
| Bolt pattern (PCD) | 5x115 |
|---|---|
| Wheel thread / lug size | M12x1.5 |
| Center bore | 70.3 mm |
| Source | adaptitusa-reference |
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 Cadillac DTS, ranked by category →
Tire recalls & safety complaints for the Cadillac DTS →
Compatible alternative sizes for 235/55R17
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 |
|---|---|---|---|
215/60R17 |
-0.07% | winter narrower | Safe |
205/75R15 |
-0.26% | alternative | Safe |
235/60R16 |
-0.28% | alternative | Safe |
235/50R18 |
0.28% | plus 1 | Safe |
205/50R19 |
-0.39% | plus 2 | Safe |
For the full list of alternatives with comfort/handling impact, see 235/55R17 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 235/55R17 and verdict using the ETRTO ±3% rule.
Common upgrade paths
- Plus-1: 235/50R18; one rim size up, 0.28% OD change. Sharper steering, mild ride penalty, modest cost premium.
- Plus-2: 205/50R19; two rim sizes up, -0.39% 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 2006 cadillac DTS standard-model
The 2006 Cadillac DTS Standard-Model ships from the factory on 235/55R17 tires mounted on R17 wheels. 2 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 Cadillac DTS 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 2006 Cadillac DTS Standard-Model 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 2006 Cadillac DTS Standard-Model, 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 2006 cadillac DTS
Top issue category: Tires (General)
Most reported: Tires (General) (4) · TPMS (3) · Sidewall (3)
Reported across: 2006 – 2006 (1 year)
What owners described
Blowout or sudden deflation appears in 36% of these reports; about 1.8× as often as across all tire complaints. Percentages are shares of the 14 reports covering every model year of the Cadillac DTS 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 |
|---|---|---|---|
| Blowout or sudden deflation | 36% | 20% | 1.8× |
| Sidewall failure | 21% | 15% | 1.4× |
| Cracking or dry rot | 14% | 9% | 1.5× |
| Loss of control, rollover or collision | 14% | 8% | 1.7× |
| Bubble or bulge in the tire | 7% | 6% | 1.2× |
| Pressure-monitoring (TPMS) fault | 7% | 2% | 3.0× |
Mileage at failure
8 of these reports state an odometer reading. The middle report is at 60,500 miles, with 8 in 10 falling between 10,000 and 148,000 miles.
In owners' own words
Verbatim excerpts from complaints filed with NHTSA about Cadillac DTS. Reports are published by NHTSA as filed and are lightly cleaned here only to remove intake codes.
THE CONTACT OWNS A 2006 CADILLAC DTS. WHILE DRIVING APPROXIMATELY 50 MPH, THE FRONT PASSENGER SIDE TIRE BLEW OUT AND THE VEHICLE STALLED. THE CONTACT STATED THAT THE STEERING WHEEL SEIZED, CAUSING THE VEHICLE TO SPIN AND CRASH INTO A FENCE. THE AIR BAGS FAILED TO DEPLOY. A POLICE REPORT WAS FILED AND THERE WERE NO INJURIES REPORTED. THE VEHICLE WAS TAKEN TO A DEALER, BUT THE CAUSE OF THE FAILURE WAS NOT DETERMINED. THE VEHICLE WAS NOT REPAIRED. THE CONTACT STATED THAT THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 14V355000 (ELECTRICAL SYSTEM). THE MANUFACTURER WAS NOT NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 90,000.
THE CONTACT OWNS A 2004 CADILLAC DTS EQUIPPED WITH MICHELIN RADIAL X TIRES, AND TIRE SIZE 235/55/R17. THE CONTACT STATED THAT ALL THE TIRES WERE CRACKED SEVERELY WHICH CAUSED THE AIR TO LEAK OUT. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC. THE TECHNICIAN DIAGNOSED THE TIRES NEEDED TO BE REPLACED. THE TIRES WERE NOT REPLACED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VEHICLE FAILURE MILEAGE WAS 95,424 AND THE TIRE MILEAGE WAS UNKNOWN. NEITHER THE VIN NOR THE DOT NUMBER WAS AVAILABLE.
THE CONTACT OWNS A 2006 CADILLAC DTS EQUIPPED WITH DEXTERO TOURING DTR1 TIRES, SIZE: 225/55/R17 (NA). THE CONTACT STATED THAT HIS WIFE'S CO-WORKER NOTICED BUBBLES ON THE SIDEWALL OF THE FRONT DRIVER'S SIDE TIRE. THE VEHICLE WAS TAKEN TO AN AUTO CENTER WHERE IT WAS DIAGNOSED THAT THE TIRE NEEDED TO BE REPLACED. THE CONTACT WAS ADVISED TO PAY OUT OF POCKET AND SEEK REIMBURSEMENT; HOWEVER, THE TIRE WAS OUT OF STOCK. THE TIRE WAS NOT REPLACED. THE MANUFACTURER WAS NOTIFIED AND DID NOT ASSIST. THE CONTACT WAS ADVISED TO CALL NHTSA. THE APPROXIMATE VEHICLE AND TIRE FAILURE MILEAGE WAS 148,000. THE DOT NUMBER WAS NOT AVAILABLE.
DT*: THE CONTACT STATED WHILE DRIVING 70 MPH ON DRY ASPHALT, THE LEFT FRONT TIRE VIOLENTLY DEFLATED WITHOUT WARNING, SPINNING THE VEHICLE 360 DEGREES. THE VEHICLE WAS THROWN INTO A GUARD RAIL. THERE WAS A POLICE REPORT FILED AT THE SCENE. THE TIRE SIZE WAS P235/55R17.
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 2006 Cadillac DTS?
What is the bolt pattern of a 2006 Cadillac DTS?
Can I run a different tire size on my 2006 Cadillac DTS?
Where can I buy tires for my 2006 Cadillac DTS?
What is the recommended tire pressure for the 2006 Cadillac DTS?
Can I fit winter tires in a different size on my 2006 Cadillac DTS?
How often should I rotate the tires on my 2006 Cadillac DTS?
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 Cadillac DTS is the authoritative source for OEM tire size, load index, and cold-inflation pressure for your specific trim.
- NHTSA SaferCar; recall lookup for the 2006 Cadillac DTS.
- 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.