Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 100/80-10 | 80/90-10 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 16.3 (414) | 15.67 (398) | -0.63 (-16) -3.9% |
| Width inches (mm) | 3.94 (100) | 3.15 (80) | -0.79 (-20) -20% |
| Circum. inches (mm) | 51.21 (1300.62) | 49.23 (1250.35) | -1.98 (-50.27) -3.9% |
| Sidewall Height inches (mm) | 3.15 (80) | 2.83 (72) | -0.31 (-8) -10% |
| Revolutions per mile (km) | 1237.37 (768.86) | 1287.11 (799.77) | 49.74 (30.91) 4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.23 mph (30.94 km/h) |
| 25 mph (40.23 km/h) | 24.03 mph (38.68 km/h) |
| 30 mph (48.28 km/h) | 28.84 mph (46.41 km/h) |
| 35 mph (56.33 km/h) | 33.65 mph (54.15 km/h) |
| 40 mph (64.37 km/h) | 38.45 mph (61.89 km/h) |
| 45 mph (72.42 km/h) | 43.26 mph (69.62 km/h) |
| 50 mph (80.47 km/h) | 48.07 mph (77.36 km/h) |
| 55 mph (88.51 km/h) | 52.87 mph (85.09 km/h) |
| 60 mph (96.56 km/h) | 57.68 mph (92.83 km/h) |
| 65 mph (104.61 km/h) | 62.49 mph (100.56 km/h) |
| 70 mph (112.65 km/h) | 67.29 mph (108.3 km/h) |
| 75 mph (120.7 km/h) | 72.1 mph (116.04 km/h) |
| 80 mph (128.75 km/h) | 76.91 mph (123.77 km/h) |
| 85 mph (136.79 km/h) | 81.71 mph (131.51 km/h) |
| 90 mph (144.84 km/h) | 86.52 mph (139.24 km/h) |
| 95 mph (152.89 km/h) | 91.33 mph (146.98 km/h) |
| 100 mph (160.93 km/h) | 96.14 mph (154.72 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
