35.4" tall, 10.8" wide, 9.2" sidewall
A 275/85R17 tire is 35.4 inches (899 mm) tall and 10.8 inches wide. The sidewall is 85% of the width, 9.2 inches, on a 17-inch wheel, and the tire turns about 570 times per mile.
In flotation terms that is about 35.4x10.8R17, closest to the common 35x11.50R17 (35.0"). People often call it a 35-inch tire.
The size most often compared with it is 295/80R17, which is 0.2" taller (+0.5%). At an indicated 60 mph you would be doing 60.3 mph on it.
| Current | New | Difference |
|---|
| Shows | Actual speed |
|---|
Same 17" wheel, within 20 mm of width and 10 points of aspect ratio.
| Size | Diameter | Width | Sidewall | vs 275/85R17 | |
|---|---|---|---|---|---|
| 295/80R17 | 35.6" | 11.6" | 9.3" | +0.5% | |
| 35x11.50R17 | 35.0" | 11.5" | 9.0" | −1.1% | |
| 285/80R17 | 35.0" | 11.2" | 9.0" | −1.3% | |
| 265/85R17 | 34.7" | 10.4" | 8.9" | −1.9% | |
| 285/85R17 | 36.1" | 11.2" | 9.5" | +1.9% | |
| 295/75R17 | 34.4" | 11.6" | 8.7" | −2.8% | |
| 275/80R17 | 34.3" | 10.8" | 8.7" | −3.1% | |
| 255/85R17 | 34.1" | 10.0" | 8.5" | −3.8% | |
| 285/75R17 | 33.8" | 11.2" | 8.4" | −4.4% | |
| 265/80R17 | 33.7" | 10.4" | 8.3" | −4.8% |
Sizes within 2% of 35.4" on 18" or 16" or 15" wheels.
| Size | Diameter | Width | Sidewall | vs 275/85R17 | |
|---|---|---|---|---|---|
| 295/75R18 | 35.4" | 11.6" | 8.7" | +0.0% | |
| 315/70R18 | 35.4" | 12.4" | 8.7" | −0.1% | |
| 275/80R18 | 35.3" | 10.8" | 8.7" | −0.2% | |
| 325/75R16 | 35.2" | 12.8" | 9.6" | −0.6% | |
| 285/85R16 | 35.1" | 11.2" | 9.5" | −0.9% | |
| 35x12.50R15 | 35.0" | 12.5" | 10.0" | −1.1% |
Actual speed when the speedometer is calibrated for 275/85R17.
| Speedometer shows | on 295/80R17 | on 35x11.50R17 | on 285/80R17 |
|---|---|---|---|
| 30 mph | 30.2 mph | 29.7 mph | 29.6 mph |
| 45 mph | 45.2 mph | 44.5 mph | 44.4 mph |
| 60 mph | 60.3 mph | 59.3 mph | 59.2 mph |
| 70 mph | 70.4 mph | 69.2 mph | 69.1 mph |
35.4 inches (899 mm). The sidewall is 9.2 inches.
10.8 inches (275 mm) section width, measured sidewall to sidewall.
About 35.4x10.8R17; the closest common flotation size is 35x11.50R17 at 35.0".
295/80R17 is +0.5% in diameter, within the common 3% guideline. It is 0.8" wider.