Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/80-17 | 235/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.69 (855.8) | 31.8 (807.8) | -1.89 (-48) -5.6% |
| Width inches (mm) | 10.43 (265) | 9.25 (235) | -1.18 (-30) -11.3% |
| Circum. inches (mm) | 105.85 (2688.57) | 99.91 (2537.78) | -5.94 (-150.8) -5.6% |
| Sidewall Height inches (mm) | 8.35 (212) | 7.4 (188) | -0.94 (-24) -11.3% |
| Revolutions per mile (km) | 598.59 (371.94) | 634.15 (394.04) | 35.57 (22.1) 5.9% |
235/80-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.88 mph (30.38 km/h) |
| 25 mph (40.23 km/h) | 23.6 mph (37.98 km/h) |
| 30 mph (48.28 km/h) | 28.32 mph (45.57 km/h) |
| 35 mph (56.33 km/h) | 33.04 mph (53.17 km/h) |
| 40 mph (64.37 km/h) | 37.76 mph (60.76 km/h) |
| 45 mph (72.42 km/h) | 42.48 mph (68.36 km/h) |
| 50 mph (80.47 km/h) | 47.2 mph (75.95 km/h) |
| 55 mph (88.51 km/h) | 51.92 mph (83.55 km/h) |
| 60 mph (96.56 km/h) | 56.63 mph (91.14 km/h) |
| 65 mph (104.61 km/h) | 61.35 mph (98.74 km/h) |
| 70 mph (112.65 km/h) | 66.07 mph (106.34 km/h) |
| 75 mph (120.7 km/h) | 70.79 mph (113.93 km/h) |
| 80 mph (128.75 km/h) | 75.51 mph (121.53 km/h) |
| 85 mph (136.79 km/h) | 80.23 mph (129.12 km/h) |
| 90 mph (144.84 km/h) | 84.95 mph (136.72 km/h) |
| 95 mph (152.89 km/h) | 89.67 mph (144.31 km/h) |
| 100 mph (160.93 km/h) | 94.39 mph (151.91 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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