Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 110/90-19 | 120/80-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.8 (680.6) | 25.56 (649.2) | -1.24 (-31.4) -4.6% |
| Width inches (mm) | 4.33 (110) | 4.72 (120) | 0.39 (10) 9.1% |
| Circum. inches (mm) | 84.18 (2138.17) | 80.3 (2039.52) | -3.88 (-98.65) -4.6% |
| Sidewall Height inches (mm) | 3.9 (99) | 3.78 (96) | -0.12 (-3) -3% |
| Revolutions per mile (km) | 752.67 (467.69) | 789.08 (490.31) | 36.4 (22.62) 4.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.08 mph (30.7 km/h) |
| 25 mph (40.23 km/h) | 23.85 mph (38.38 km/h) |
| 30 mph (48.28 km/h) | 28.62 mph (46.05 km/h) |
| 35 mph (56.33 km/h) | 33.39 mph (53.73 km/h) |
| 40 mph (64.37 km/h) | 38.15 mph (61.4 km/h) |
| 45 mph (72.42 km/h) | 42.92 mph (69.08 km/h) |
| 50 mph (80.47 km/h) | 47.69 mph (76.75 km/h) |
| 55 mph (88.51 km/h) | 52.46 mph (84.43 km/h) |
| 60 mph (96.56 km/h) | 57.23 mph (92.11 km/h) |
| 65 mph (104.61 km/h) | 62 mph (99.78 km/h) |
| 70 mph (112.65 km/h) | 66.77 mph (107.46 km/h) |
| 75 mph (120.7 km/h) | 71.54 mph (115.13 km/h) |
| 80 mph (128.75 km/h) | 76.31 mph (122.81 km/h) |
| 85 mph (136.79 km/h) | 81.08 mph (130.48 km/h) |
| 90 mph (144.84 km/h) | 85.85 mph (138.16 km/h) |
| 95 mph (152.89 km/h) | 90.62 mph (145.83 km/h) |
| 100 mph (160.93 km/h) | 95.39 mph (153.51 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2008 | 2333 | 2512 | 2623 | 2743 | 2828 | 2922 | 3033 | 3187 | 3341 | 3512 | 3649 | 3896 | 4170 | 4384 | 4520 | 4597 | 4879 | 5272 | 6127 |
Better Fuel Economy Factory Ratios Increased Power
