Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 150/80-15 | 110/90-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.45 (621) | 25.8 (655.2) | 1.35 (34.2) 5.5% |
| Width inches (mm) | 5.91 (150) | 4.33 (110) | -1.57 (-40) -26.7% |
| Circum. inches (mm) | 76.81 (1950.93) | 81.04 (2058.37) | 4.23 (107.44) 5.5% |
| Sidewall Height inches (mm) | 4.72 (120) | 3.9 (99) | -0.83 (-21) -17.5% |
| Revolutions per mile (km) | 824.91 (512.58) | 781.85 (485.82) | -43.06 (-26.76) -5.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.1 mph (33.96 km/h) |
| 25 mph (40.23 km/h) | 26.38 mph (42.45 km/h) |
| 30 mph (48.28 km/h) | 31.65 mph (50.94 km/h) |
| 35 mph (56.33 km/h) | 36.93 mph (59.43 km/h) |
| 40 mph (64.37 km/h) | 42.2 mph (67.92 km/h) |
| 45 mph (72.42 km/h) | 47.48 mph (76.41 km/h) |
| 50 mph (80.47 km/h) | 52.75 mph (84.9 km/h) |
| 55 mph (88.51 km/h) | 58.03 mph (93.39 km/h) |
| 60 mph (96.56 km/h) | 63.3 mph (101.88 km/h) |
| 65 mph (104.61 km/h) | 68.58 mph (110.37 km/h) |
| 70 mph (112.65 km/h) | 73.86 mph (118.86 km/h) |
| 75 mph (120.7 km/h) | 79.13 mph (127.35 km/h) |
| 80 mph (128.75 km/h) | 84.41 mph (135.84 km/h) |
| 85 mph (136.79 km/h) | 89.68 mph (144.33 km/h) |
| 90 mph (144.84 km/h) | 94.96 mph (152.82 km/h) |
| 95 mph (152.89 km/h) | 100.23 mph (161.31 km/h) |
| 100 mph (160.93 km/h) | 105.51 mph (169.8 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
