Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 130/90-18 | 100/90-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.21 (691.2) | 26.09 (662.6) | -1.13 (-28.6) -4.1% |
| Width inches (mm) | 5.12 (130) | 3.94 (100) | -1.18 (-30) -23.1% |
| Circum. inches (mm) | 85.49 (2171.47) | 81.95 (2081.62) | -3.54 (-89.85) -4.1% |
| Sidewall Height inches (mm) | 4.61 (117) | 3.54 (90) | -1.06 (-27) -23.1% |
| Revolutions per mile (km) | 741.13 (460.52) | 773.12 (480.39) | 31.99 (19.88) 4.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.17 mph (30.86 km/h) |
| 25 mph (40.23 km/h) | 23.97 mph (38.57 km/h) |
| 30 mph (48.28 km/h) | 28.76 mph (46.28 km/h) |
| 35 mph (56.33 km/h) | 33.55 mph (54 km/h) |
| 40 mph (64.37 km/h) | 38.34 mph (61.71 km/h) |
| 45 mph (72.42 km/h) | 43.14 mph (69.42 km/h) |
| 50 mph (80.47 km/h) | 47.93 mph (77.14 km/h) |
| 55 mph (88.51 km/h) | 52.72 mph (84.85 km/h) |
| 60 mph (96.56 km/h) | 57.52 mph (92.57 km/h) |
| 65 mph (104.61 km/h) | 62.31 mph (100.28 km/h) |
| 70 mph (112.65 km/h) | 67.1 mph (107.99 km/h) |
| 75 mph (120.7 km/h) | 71.9 mph (115.71 km/h) |
| 80 mph (128.75 km/h) | 76.69 mph (123.42 km/h) |
| 85 mph (136.79 km/h) | 81.48 mph (131.13 km/h) |
| 90 mph (144.84 km/h) | 86.28 mph (138.85 km/h) |
| 95 mph (152.89 km/h) | 91.07 mph (146.56 km/h) |
| 100 mph (160.93 km/h) | 95.86 mph (154.28 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1967 | 2286 | 2461 | 2570 | 2687 | 2771 | 2863 | 2972 | 3123 | 3273 | 3441 | 3575 | 3818 | 4086 | 4295 | 4429 | 4504 | 4780 | 5166 | 6003 |
Better Fuel Economy Factory Ratios Increased Power
