Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/75-18 | 37/10.5-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.65 (854.7) | 36.92 (937.8) | 3.27 (83.1) 9.7% |
| Width inches (mm) | 10.43 (265) | 10.51 (267) | 0.08 (2) 0.8% |
| Circum. inches (mm) | 105.71 (2685.12) | 115.99 (2946.19) | 10.28 (261.07) 9.7% |
| Sidewall Height inches (mm) | 7.82 (198.75) | 9.46 (240.3) | 1.64 (41.55) 20.9% |
| Revolutions per mile (km) | 599.36 (372.42) | 546.25 (339.42) | -53.11 (-33) -8.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.94 mph (35.32 km/h) |
| 25 mph (40.23 km/h) | 27.43 mph (44.15 km/h) |
| 30 mph (48.28 km/h) | 32.92 mph (52.97 km/h) |
| 35 mph (56.33 km/h) | 38.4 mph (61.8 km/h) |
| 40 mph (64.37 km/h) | 43.89 mph (70.63 km/h) |
| 45 mph (72.42 km/h) | 49.38 mph (79.46 km/h) |
| 50 mph (80.47 km/h) | 54.86 mph (88.29 km/h) |
| 55 mph (88.51 km/h) | 60.35 mph (97.12 km/h) |
| 60 mph (96.56 km/h) | 65.83 mph (105.95 km/h) |
| 65 mph (104.61 km/h) | 71.32 mph (114.78 km/h) |
| 70 mph (112.65 km/h) | 76.81 mph (123.61 km/h) |
| 75 mph (120.7 km/h) | 82.29 mph (132.44 km/h) |
| 80 mph (128.75 km/h) | 87.78 mph (141.27 km/h) |
| 85 mph (136.79 km/h) | 93.26 mph (150.09 km/h) |
| 90 mph (144.84 km/h) | 98.75 mph (158.92 km/h) |
| 95 mph (152.89 km/h) | 104.24 mph (167.75 km/h) |
| 100 mph (160.93 km/h) | 109.72 mph (176.58 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1390 | 1615 | 1739 | 1816 | 1899 | 1958 | 2023 | 2100 | 2206 | 2313 | 2431 | 2526 | 2697 | 2887 | 3035 | 3129 | 3182 | 3378 | 3650 | 4241 |
Better Fuel Economy Factory Ratios Increased Power
