Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-16 | 235/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.5 (622.4) | 25.33 (643.3) | 0.82 (20.9) 3.4% |
| Width inches (mm) | 5.31 (135) | 9.25 (235) | 3.94 (100) 74.1% |
| Circum. inches (mm) | 76.98 (1955.33) | 79.57 (2020.99) | 2.59 (65.66) 3.4% |
| Sidewall Height inches (mm) | 4.25 (108) | 4.16 (105.75) | -0.09 (-2.25) -2.1% |
| Revolutions per mile (km) | 823.06 (511.42) | 796.32 (494.81) | -26.74 (-16.62) -3.2% |
235/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.67 mph (33.27 km/h) |
| 25 mph (40.23 km/h) | 25.84 mph (41.58 km/h) |
| 30 mph (48.28 km/h) | 31.01 mph (49.9 km/h) |
| 35 mph (56.33 km/h) | 36.18 mph (58.22 km/h) |
| 40 mph (64.37 km/h) | 41.34 mph (66.54 km/h) |
| 45 mph (72.42 km/h) | 46.51 mph (74.85 km/h) |
| 50 mph (80.47 km/h) | 51.68 mph (83.17 km/h) |
| 55 mph (88.51 km/h) | 56.85 mph (91.49 km/h) |
| 60 mph (96.56 km/h) | 62.01 mph (99.8 km/h) |
| 65 mph (104.61 km/h) | 67.18 mph (108.12 km/h) |
| 70 mph (112.65 km/h) | 72.35 mph (116.44 km/h) |
| 75 mph (120.7 km/h) | 77.52 mph (124.75 km/h) |
| 80 mph (128.75 km/h) | 82.69 mph (133.07 km/h) |
| 85 mph (136.79 km/h) | 87.85 mph (141.39 km/h) |
| 90 mph (144.84 km/h) | 93.02 mph (149.7 km/h) |
| 95 mph (152.89 km/h) | 98.19 mph (158.02 km/h) |
| 100 mph (160.93 km/h) | 103.36 mph (166.34 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2354 | 2535 | 2647 | 2768 | 2854 | 2949 | 3061 | 3216 | 3372 | 3544 | 3682 | 3932 | 4208 | 4424 | 4562 | 4639 | 4924 | 5321 | 6183 |
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