Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 280/80-16 | 37/10.5-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.64 (854.4) | 37.02 (940.4) | 3.39 (86) 10.1% |
| Width inches (mm) | 11.02 (280) | 10.51 (267) | -0.51 (-13) -4.6% |
| Circum. inches (mm) | 105.68 (2684.18) | 116.31 (2954.35) | 10.64 (270.18) 10.1% |
| Sidewall Height inches (mm) | 8.82 (224) | 10.51 (267) | 1.69 (43) 19.2% |
| Revolutions per mile (km) | 599.57 (372.55) | 544.74 (338.48) | -54.83 (-34.07) -9.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.01 mph (35.43 km/h) |
| 25 mph (40.23 km/h) | 27.52 mph (44.28 km/h) |
| 30 mph (48.28 km/h) | 33.02 mph (53.14 km/h) |
| 35 mph (56.33 km/h) | 38.52 mph (62 km/h) |
| 40 mph (64.37 km/h) | 44.03 mph (70.85 km/h) |
| 45 mph (72.42 km/h) | 49.53 mph (79.71 km/h) |
| 50 mph (80.47 km/h) | 55.03 mph (88.57 km/h) |
| 55 mph (88.51 km/h) | 60.54 mph (97.42 km/h) |
| 60 mph (96.56 km/h) | 66.04 mph (106.28 km/h) |
| 65 mph (104.61 km/h) | 71.54 mph (115.14 km/h) |
| 70 mph (112.65 km/h) | 77.05 mph (123.99 km/h) |
| 75 mph (120.7 km/h) | 82.55 mph (132.85 km/h) |
| 80 mph (128.75 km/h) | 88.05 mph (141.71 km/h) |
| 85 mph (136.79 km/h) | 93.56 mph (150.56 km/h) |
| 90 mph (144.84 km/h) | 99.06 mph (159.42 km/h) |
| 95 mph (152.89 km/h) | 104.56 mph (168.28 km/h) |
| 100 mph (160.93 km/h) | 110.07 mph (177.13 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 | 1894 | 1953 | 2017 | 2094 | 2200 | 2306 | 2424 | 2519 | 2690 | 2879 | 3026 | 3121 | 3174 | 3368 | 3640 | 4230 |
Better Fuel Economy Factory Ratios Increased Power
