Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 365/75-16 | 37/12.5-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 37.56 (953.9) | 37.03 (940.64) | -0.52 (-13.26) -1.4% |
| Width inches (mm) | 14.37 (365) | 12.52 (318) | -1.85 (-47) -12.9% |
| Circum. inches (mm) | 117.98 (2996.77) | 116.34 (2955.11) | -1.64 (-41.66) -1.4% |
| Sidewall Height inches (mm) | 10.78 (273.75) | 10.52 (267.12) | -0.26 (-6.63) -2.4% |
| Revolutions per mile (km) | 537.03 (333.69) | 544.6 (338.4) | 7.57 (4.7) 1.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.72 mph (31.74 km/h) |
| 25 mph (40.23 km/h) | 24.65 mph (39.67 km/h) |
| 30 mph (48.28 km/h) | 29.58 mph (47.61 km/h) |
| 35 mph (56.33 km/h) | 34.51 mph (55.54 km/h) |
| 40 mph (64.37 km/h) | 39.44 mph (63.48 km/h) |
| 45 mph (72.42 km/h) | 44.37 mph (71.41 km/h) |
| 50 mph (80.47 km/h) | 49.3 mph (79.35 km/h) |
| 55 mph (88.51 km/h) | 54.24 mph (87.28 km/h) |
| 60 mph (96.56 km/h) | 59.17 mph (95.22 km/h) |
| 65 mph (104.61 km/h) | 64.1 mph (103.15 km/h) |
| 70 mph (112.65 km/h) | 69.03 mph (111.09 km/h) |
| 75 mph (120.7 km/h) | 73.96 mph (119.02 km/h) |
| 80 mph (128.75 km/h) | 78.89 mph (126.96 km/h) |
| 85 mph (136.79 km/h) | 83.82 mph (134.89 km/h) |
| 90 mph (144.84 km/h) | 88.75 mph (142.83 km/h) |
| 95 mph (152.89 km/h) | 93.68 mph (150.76 km/h) |
| 100 mph (160.93 km/h) | 98.61 mph (158.7 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1386 | 1610 | 1734 | 1811 | 1893 | 1952 | 2017 | 2094 | 2200 | 2306 | 2424 | 2518 | 2689 | 2878 | 3025 | 3120 | 3173 | 3367 | 3639 | 4228 |
Better Fuel Economy Factory Ratios Increased Power
