Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 29.5/10.5-15 | 235/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.51 (749.46) | 28.88 (733.5) | -0.63 (-15.96) -2.1% |
| Width inches (mm) | 10.51 (267) | 9.25 (235) | -1.26 (-32) -12% |
| Circum. inches (mm) | 92.7 (2354.5) | 90.72 (2304.36) | -1.97 (-50.14) -2.1% |
| Sidewall Height inches (mm) | 7.25 (184.23) | 6.94 (176.25) | -0.31 (-7.98) -4.3% |
| Revolutions per mile (km) | 683.52 (424.72) | 698.39 (433.96) | 14.87 (9.24) 2.2% |
235/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.57 mph (31.5 km/h) |
| 25 mph (40.23 km/h) | 24.47 mph (39.38 km/h) |
| 30 mph (48.28 km/h) | 29.36 mph (47.25 km/h) |
| 35 mph (56.33 km/h) | 34.25 mph (55.13 km/h) |
| 40 mph (64.37 km/h) | 39.15 mph (63 km/h) |
| 45 mph (72.42 km/h) | 44.04 mph (70.88 km/h) |
| 50 mph (80.47 km/h) | 48.94 mph (78.75 km/h) |
| 55 mph (88.51 km/h) | 53.83 mph (86.63 km/h) |
| 60 mph (96.56 km/h) | 58.72 mph (94.5 km/h) |
| 65 mph (104.61 km/h) | 63.62 mph (102.38 km/h) |
| 70 mph (112.65 km/h) | 68.51 mph (110.26 km/h) |
| 75 mph (120.7 km/h) | 73.4 mph (118.13 km/h) |
| 80 mph (128.75 km/h) | 78.3 mph (126.01 km/h) |
| 85 mph (136.79 km/h) | 83.19 mph (133.88 km/h) |
| 90 mph (144.84 km/h) | 88.08 mph (141.76 km/h) |
| 95 mph (152.89 km/h) | 92.98 mph (149.63 km/h) |
| 100 mph (160.93 km/h) | 97.87 mph (157.51 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 |
Better Fuel Economy Factory Ratios Increased Power
