Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 110/90-18 | 100/80-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.8 (655.2) | 25.3 (642.6) | -0.5 (-12.6) -1.9% |
| Width inches (mm) | 4.33 (110) | 3.94 (100) | -0.39 (-10) -9.1% |
| Circum. inches (mm) | 81.04 (2058.37) | 79.48 (2018.79) | -1.56 (-39.58) -1.9% |
| Sidewall Height inches (mm) | 3.9 (99) | 3.15 (80) | -0.75 (-19) -19.2% |
| Revolutions per mile (km) | 781.85 (485.82) | 797.18 (495.35) | 15.33 (9.53) 2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.62 mph (31.57 km/h) |
| 25 mph (40.23 km/h) | 24.52 mph (39.46 km/h) |
| 30 mph (48.28 km/h) | 29.42 mph (47.35 km/h) |
| 35 mph (56.33 km/h) | 34.33 mph (55.24 km/h) |
| 40 mph (64.37 km/h) | 39.23 mph (63.14 km/h) |
| 45 mph (72.42 km/h) | 44.13 mph (71.03 km/h) |
| 50 mph (80.47 km/h) | 49.04 mph (78.92 km/h) |
| 55 mph (88.51 km/h) | 53.94 mph (86.81 km/h) |
| 60 mph (96.56 km/h) | 58.85 mph (94.7 km/h) |
| 65 mph (104.61 km/h) | 63.75 mph (102.6 km/h) |
| 70 mph (112.65 km/h) | 68.65 mph (110.49 km/h) |
| 75 mph (120.7 km/h) | 73.56 mph (118.38 km/h) |
| 80 mph (128.75 km/h) | 78.46 mph (126.27 km/h) |
| 85 mph (136.79 km/h) | 83.37 mph (134.16 km/h) |
| 90 mph (144.84 km/h) | 88.27 mph (142.06 km/h) |
| 95 mph (152.89 km/h) | 93.17 mph (149.95 km/h) |
| 100 mph (160.93 km/h) | 98.08 mph (157.84 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2029 | 2357 | 2538 | 2650 | 2771 | 2857 | 2952 | 3065 | 3220 | 3375 | 3548 | 3686 | 3937 | 4213 | 4429 | 4567 | 4644 | 4929 | 5326 | 6190 |
Better Fuel Economy Factory Ratios Increased Power
