Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/80-17 | 235/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.43 (823.8) | 31.8 (807.8) | -0.63 (-16) -1.9% |
| Width inches (mm) | 9.65 (245) | 9.25 (235) | -0.39 (-10) -4.1% |
| Circum. inches (mm) | 101.89 (2588.04) | 99.91 (2537.78) | -1.98 (-50.27) -1.9% |
| Sidewall Height inches (mm) | 7.72 (196) | 7.4 (188) | -0.31 (-8) -4.1% |
| Revolutions per mile (km) | 621.84 (386.39) | 634.15 (394.04) | 12.32 (7.65) 2% |
235/80-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.61 mph (31.56 km/h) |
| 25 mph (40.23 km/h) | 24.51 mph (39.45 km/h) |
| 30 mph (48.28 km/h) | 29.42 mph (47.34 km/h) |
| 35 mph (56.33 km/h) | 34.32 mph (55.23 km/h) |
| 40 mph (64.37 km/h) | 39.22 mph (63.12 km/h) |
| 45 mph (72.42 km/h) | 44.13 mph (71.01 km/h) |
| 50 mph (80.47 km/h) | 49.03 mph (78.9 km/h) |
| 55 mph (88.51 km/h) | 53.93 mph (86.79 km/h) |
| 60 mph (96.56 km/h) | 58.83 mph (94.69 km/h) |
| 65 mph (104.61 km/h) | 63.74 mph (102.58 km/h) |
| 70 mph (112.65 km/h) | 68.64 mph (110.47 km/h) |
| 75 mph (120.7 km/h) | 73.54 mph (118.36 km/h) |
| 80 mph (128.75 km/h) | 78.45 mph (126.25 km/h) |
| 85 mph (136.79 km/h) | 83.35 mph (134.14 km/h) |
| 90 mph (144.84 km/h) | 88.25 mph (142.03 km/h) |
| 95 mph (152.89 km/h) | 93.15 mph (149.92 km/h) |
| 100 mph (160.93 km/h) | 98.06 mph (157.81 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1614 | 1875 | 2019 | 2108 | 2204 | 2273 | 2349 | 2438 | 2561 | 2685 | 2822 | 2932 | 3131 | 3351 | 3523 | 3633 | 3695 | 3921 | 4237 | 4924 |
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