Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 110/90-18 | 90/90-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.8 (655.2) | 24.38 (619.2) | -1.42 (-36) -5.5% |
| Width inches (mm) | 4.33 (110) | 3.54 (90) | -0.79 (-20) -18.2% |
| Circum. inches (mm) | 81.04 (2058.37) | 76.59 (1945.27) | -4.45 (-113.1) -5.5% |
| Sidewall Height inches (mm) | 3.9 (99) | 3.19 (81) | -0.71 (-18) -18.2% |
| Revolutions per mile (km) | 781.85 (485.82) | 827.31 (514.07) | 45.46 (28.25) 5.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.9 mph (30.42 km/h) |
| 25 mph (40.23 km/h) | 23.63 mph (38.02 km/h) |
| 30 mph (48.28 km/h) | 28.35 mph (45.63 km/h) |
| 35 mph (56.33 km/h) | 33.08 mph (53.23 km/h) |
| 40 mph (64.37 km/h) | 37.8 mph (60.84 km/h) |
| 45 mph (72.42 km/h) | 42.53 mph (68.44 km/h) |
| 50 mph (80.47 km/h) | 47.25 mph (76.05 km/h) |
| 55 mph (88.51 km/h) | 51.98 mph (83.65 km/h) |
| 60 mph (96.56 km/h) | 56.7 mph (91.26 km/h) |
| 65 mph (104.61 km/h) | 61.43 mph (98.86 km/h) |
| 70 mph (112.65 km/h) | 66.15 mph (106.46 km/h) |
| 75 mph (120.7 km/h) | 70.88 mph (114.07 km/h) |
| 80 mph (128.75 km/h) | 75.6 mph (121.67 km/h) |
| 85 mph (136.79 km/h) | 80.33 mph (129.28 km/h) |
| 90 mph (144.84 km/h) | 85.05 mph (136.88 km/h) |
| 95 mph (152.89 km/h) | 89.78 mph (144.49 km/h) |
| 100 mph (160.93 km/h) | 94.51 mph (152.09 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2105 | 2446 | 2634 | 2750 | 2876 | 2965 | 3064 | 3180 | 3342 | 3503 | 3682 | 3825 | 4085 | 4372 | 4596 | 4739 | 4820 | 5116 | 5528 | 6424 |
Better Fuel Economy Factory Ratios Increased Power
