Tire specs
- Load index
- 99
- Speed rating
- Y (186 mph)
- Load range
- Extra load (XL)
- Item #
- 2454020KUM2349373
2016 Cadillac CT6 Luxury — 245/40R20
O.E. size · 245/40R20
2016 Cadillac CT6 Luxury
4 tire results
Factory-size matches for your vehicleTire specs
- Warranty
- 50,000 miles
- Load index
- 99
- Speed rating
- Y (186 mph)
- Load range
- Extra load (XL)
- Item #
- 2454020KUM2373713
Tire specs
- Load index
- 99
- Speed rating
- Y (186 mph)
- Load range
- Extra load (XL)
- Tread depth
- 10/32"
- Item #
- 2454020FAL28031318
Tire specs
- Warranty
- 50,000 miles
- Load index
- 99
- Speed rating
- Y (186 mph)
- Load range
- Extra load (XL)
- Tread depth
- 10/32"
- Item #
- 2454020FAL28105002
What size tires does the 2016 Cadillac CT6 Luxury take?
The factory tire size for the 2016 Cadillac CT6 Luxury is 245/40R20.
The catalog lists it at load index 99, speed rating Y (up to 186 mph).
This trim is also listed with 235/50R18, 245/45R19. Check which one your vehicle has.
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| All wheels | 245/40R20 | 99 | Y |
| All wheels | 235/50R18 | 97 | V |
| All wheels | 245/45R19 | 98 | V |
Confirm the size printed on the sidewall of your current tire or on the tire placard in the driver's door jamb before you buy. Replacement tires should meet or exceed the vehicle's load index and speed rating.