Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/66-17 | 33/12.5-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.77 (781.6) | 33.03 (838.84) | 2.25 (57.24) 7.3% |
| Width inches (mm) | 10.43 (265) | 12.52 (318) | 2.09 (53) 20% |
| Circum. inches (mm) | 96.67 (2455.47) | 103.75 (2635.29) | 7.08 (179.82) 7.3% |
| Sidewall Height inches (mm) | 6.89 (174.9) | 8.01 (203.52) | 1.13 (28.62) 16.4% |
| Revolutions per mile (km) | 655.41 (407.25) | 610.69 (379.46) | -44.72 (-27.79) -6.8% |
33/12.5-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.46 mph (34.54 km/h) |
| 25 mph (40.23 km/h) | 26.83 mph (43.18 km/h) |
| 30 mph (48.28 km/h) | 32.2 mph (51.82 km/h) |
| 35 mph (56.33 km/h) | 37.56 mph (60.45 km/h) |
| 40 mph (64.37 km/h) | 42.93 mph (69.09 km/h) |
| 45 mph (72.42 km/h) | 48.3 mph (77.72 km/h) |
| 50 mph (80.47 km/h) | 53.66 mph (86.36 km/h) |
| 55 mph (88.51 km/h) | 59.03 mph (95 km/h) |
| 60 mph (96.56 km/h) | 64.39 mph (103.63 km/h) |
| 65 mph (104.61 km/h) | 69.76 mph (112.27 km/h) |
| 70 mph (112.65 km/h) | 75.13 mph (120.9 km/h) |
| 75 mph (120.7 km/h) | 80.49 mph (129.54 km/h) |
| 80 mph (128.75 km/h) | 85.86 mph (138.18 km/h) |
| 85 mph (136.79 km/h) | 91.22 mph (146.81 km/h) |
| 90 mph (144.84 km/h) | 96.59 mph (155.45 km/h) |
| 95 mph (152.89 km/h) | 101.96 mph (164.08 km/h) |
| 100 mph (160.93 km/h) | 107.32 mph (172.72 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1554 | 1805 | 1944 | 2030 | 2123 | 2189 | 2262 | 2348 | 2467 | 2586 | 2718 | 2824 | 3016 | 3227 | 3393 | 3498 | 3558 | 3776 | 4080 | 4742 |
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