Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/90-16 | 235/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.53 (775.4) | 28.88 (733.5) | -1.65 (-41.9) -5.4% |
| Width inches (mm) | 8.07 (205) | 9.25 (235) | 1.18 (30) 14.6% |
| Circum. inches (mm) | 95.91 (2435.99) | 90.72 (2304.36) | -5.18 (-131.63) -5.4% |
| Sidewall Height inches (mm) | 7.26 (184.5) | 6.94 (176.25) | -0.32 (-8.25) -4.5% |
| Revolutions per mile (km) | 660.65 (410.51) | 698.39 (433.96) | 37.74 (23.45) 5.7% |
235/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.92 mph (30.45 km/h) |
| 25 mph (40.23 km/h) | 23.65 mph (38.06 km/h) |
| 30 mph (48.28 km/h) | 28.38 mph (45.67 km/h) |
| 35 mph (56.33 km/h) | 33.11 mph (53.28 km/h) |
| 40 mph (64.37 km/h) | 37.84 mph (60.9 km/h) |
| 45 mph (72.42 km/h) | 42.57 mph (68.51 km/h) |
| 50 mph (80.47 km/h) | 47.3 mph (76.12 km/h) |
| 55 mph (88.51 km/h) | 52.03 mph (83.73 km/h) |
| 60 mph (96.56 km/h) | 56.76 mph (91.34 km/h) |
| 65 mph (104.61 km/h) | 61.49 mph (98.95 km/h) |
| 70 mph (112.65 km/h) | 66.22 mph (106.57 km/h) |
| 75 mph (120.7 km/h) | 70.95 mph (114.18 km/h) |
| 80 mph (128.75 km/h) | 75.68 mph (121.79 km/h) |
| 85 mph (136.79 km/h) | 80.41 mph (129.4 km/h) |
| 90 mph (144.84 km/h) | 85.14 mph (137.01 km/h) |
| 95 mph (152.89 km/h) | 89.87 mph (144.63 km/h) |
| 100 mph (160.93 km/h) | 94.6 mph (152.24 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1777 | 2065 | 2223 | 2322 | 2428 | 2503 | 2586 | 2685 | 2821 | 2957 | 3108 | 3229 | 3449 | 3691 | 3880 | 4001 | 4069 | 4318 | 4666 | 5423 |
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