
The 265/70R17 Tire and 275/65R18 Tire are most easily told apart by their overall size. On height, the 275/65R18 Tire measures 815.0 mm against the 265/70R17 Tire's 803.0 mm — about 12.0 mm more. On width, the 275/65R18 Tire measures 815.0 mm against the 265/70R17 Tire's 803.0 mm — about 12.0 mm more. On thickness, the 275/65R18 Tire measures 275.0 mm against the 265/70R17 Tire's 265.0 mm — about 10.0 mm more.
The 275/65R18 Tire is the heavier of the two at 23.00 kg, compared with 20.00 kg for the 265/70R17 Tire. That is a 3.00 kg difference (15%). The weight gap is modest and rarely the headline difference between them.
| Metric | 265/70R17 Tire | 275/65R18 Tire | Diff |
|---|---|---|---|
| Width | 803.0 mm | 815.0 mm | -12.0 mm |
| Height | 803.0 mm | 815.0 mm | -12.0 mm |
| Depth | 265.0 mm | 275.0 mm | -10.0 mm |
| Weight | 20.00 kg | 23.00 kg | -3000.0 mm |