Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 110/80-18 | 110/90-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.93 (633.2) | 25.8 (655.2) | 0.87 (22) 3.5% |
| Width inches (mm) | 4.33 (110) | 4.33 (110) | 0 (0) 0% |
| Circum. inches (mm) | 78.32 (1989.26) | 81.04 (2058.37) | 2.72 (69.12) 3.5% |
| Sidewall Height inches (mm) | 3.46 (88) | 3.9 (99) | 0.43 (11) 12.5% |
| Revolutions per mile (km) | 809.02 (502.7) | 781.85 (485.82) | -27.16 (-16.88) -3.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.69 mph (33.31 km/h) |
| 25 mph (40.23 km/h) | 25.87 mph (41.63 km/h) |
| 30 mph (48.28 km/h) | 31.04 mph (49.96 km/h) |
| 35 mph (56.33 km/h) | 36.22 mph (58.28 km/h) |
| 40 mph (64.37 km/h) | 41.39 mph (66.61 km/h) |
| 45 mph (72.42 km/h) | 46.56 mph (74.94 km/h) |
| 50 mph (80.47 km/h) | 51.74 mph (83.26 km/h) |
| 55 mph (88.51 km/h) | 56.91 mph (91.59 km/h) |
| 60 mph (96.56 km/h) | 62.08 mph (99.92 km/h) |
| 65 mph (104.61 km/h) | 67.26 mph (108.24 km/h) |
| 70 mph (112.65 km/h) | 72.43 mph (116.57 km/h) |
| 75 mph (120.7 km/h) | 77.61 mph (124.89 km/h) |
| 80 mph (128.75 km/h) | 82.78 mph (133.22 km/h) |
| 85 mph (136.79 km/h) | 87.95 mph (141.55 km/h) |
| 90 mph (144.84 km/h) | 93.13 mph (149.87 km/h) |
| 95 mph (152.89 km/h) | 98.3 mph (158.2 km/h) |
| 100 mph (160.93 km/h) | 103.47 mph (166.53 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
