Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/75-15 | 235/80-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.29 (718.5) | 30.8 (782.4) | 2.52 (63.9) 8.9% |
| Width inches (mm) | 8.86 (225) | 9.25 (235) | 0.39 (10) 4.4% |
| Circum. inches (mm) | 88.87 (2257.23) | 96.77 (2457.98) | 7.9 (200.75) 8.9% |
| Sidewall Height inches (mm) | 6.64 (168.75) | 7.4 (188) | 0.76 (19.25) 11.4% |
| Revolutions per mile (km) | 712.97 (443.02) | 654.74 (406.84) | -58.23 (-36.18) -8.2% |
235/80-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.78 mph (35.05 km/h) |
| 25 mph (40.23 km/h) | 27.22 mph (43.81 km/h) |
| 30 mph (48.28 km/h) | 32.67 mph (52.57 km/h) |
| 35 mph (56.33 km/h) | 38.11 mph (61.34 km/h) |
| 40 mph (64.37 km/h) | 43.56 mph (70.1 km/h) |
| 45 mph (72.42 km/h) | 49 mph (78.86 km/h) |
| 50 mph (80.47 km/h) | 54.45 mph (87.62 km/h) |
| 55 mph (88.51 km/h) | 59.89 mph (96.39 km/h) |
| 60 mph (96.56 km/h) | 65.34 mph (105.15 km/h) |
| 65 mph (104.61 km/h) | 70.78 mph (113.91 km/h) |
| 70 mph (112.65 km/h) | 76.23 mph (122.67 km/h) |
| 75 mph (120.7 km/h) | 81.67 mph (131.44 km/h) |
| 80 mph (128.75 km/h) | 87.11 mph (140.2 km/h) |
| 85 mph (136.79 km/h) | 92.56 mph (148.96 km/h) |
| 90 mph (144.84 km/h) | 98 mph (157.72 km/h) |
| 95 mph (152.89 km/h) | 103.45 mph (166.49 km/h) |
| 100 mph (160.93 km/h) | 108.89 mph (175.25 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1666 | 1936 | 2085 | 2177 | 2276 | 2347 | 2425 | 2517 | 2645 | 2772 | 2914 | 3028 | 3233 | 3460 | 3637 | 3751 | 3815 | 4048 | 4375 | 5084 |
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