Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 110/100-18 | 110/90-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.66 (677.2) | 25.8 (655.2) | -0.87 (-22) -3.2% |
| Width inches (mm) | 4.33 (110) | 4.33 (110) | 0 (0) 0% |
| Circum. inches (mm) | 83.76 (2127.49) | 81.04 (2058.37) | -2.72 (-69.12) -3.2% |
| Sidewall Height inches (mm) | 4.33 (110) | 3.9 (99) | -0.43 (-11) -10% |
| Revolutions per mile (km) | 756.45 (470.04) | 781.85 (485.82) | 25.4 (15.78) 3.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.35 mph (31.14 km/h) |
| 25 mph (40.23 km/h) | 24.19 mph (38.93 km/h) |
| 30 mph (48.28 km/h) | 29.03 mph (46.71 km/h) |
| 35 mph (56.33 km/h) | 33.86 mph (54.5 km/h) |
| 40 mph (64.37 km/h) | 38.7 mph (62.28 km/h) |
| 45 mph (72.42 km/h) | 43.54 mph (70.07 km/h) |
| 50 mph (80.47 km/h) | 48.38 mph (77.85 km/h) |
| 55 mph (88.51 km/h) | 53.21 mph (85.64 km/h) |
| 60 mph (96.56 km/h) | 58.05 mph (93.42 km/h) |
| 65 mph (104.61 km/h) | 62.89 mph (101.21 km/h) |
| 70 mph (112.65 km/h) | 67.73 mph (108.99 km/h) |
| 75 mph (120.7 km/h) | 72.56 mph (116.78 km/h) |
| 80 mph (128.75 km/h) | 77.4 mph (124.57 km/h) |
| 85 mph (136.79 km/h) | 82.24 mph (132.35 km/h) |
| 90 mph (144.84 km/h) | 87.08 mph (140.14 km/h) |
| 95 mph (152.89 km/h) | 91.91 mph (147.92 km/h) |
| 100 mph (160.93 km/h) | 96.75 mph (155.71 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1990 | 2311 | 2489 | 2599 | 2718 | 2802 | 2896 | 3006 | 3158 | 3310 | 3480 | 3615 | 3861 | 4132 | 4343 | 4479 | 4555 | 4834 | 5224 | 6071 |
Better Fuel Economy Factory Ratios Increased Power
