Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 130/60-21 | 110/90-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.14 (689.4) | 26.8 (680.6) | -0.35 (-8.8) -1.3% |
| Width inches (mm) | 5.12 (130) | 4.33 (110) | -0.79 (-20) -15.4% |
| Circum. inches (mm) | 85.27 (2165.81) | 84.18 (2138.17) | -1.09 (-27.65) -1.3% |
| Sidewall Height inches (mm) | 3.07 (78) | 3.9 (99) | 0.83 (21) 26.9% |
| Revolutions per mile (km) | 743.07 (461.72) | 752.67 (467.69) | 9.61 (5.97) 1.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.74 mph (31.78 km/h) |
| 25 mph (40.23 km/h) | 24.68 mph (39.72 km/h) |
| 30 mph (48.28 km/h) | 29.62 mph (47.66 km/h) |
| 35 mph (56.33 km/h) | 34.55 mph (55.61 km/h) |
| 40 mph (64.37 km/h) | 39.49 mph (63.55 km/h) |
| 45 mph (72.42 km/h) | 44.43 mph (71.5 km/h) |
| 50 mph (80.47 km/h) | 49.36 mph (79.44 km/h) |
| 55 mph (88.51 km/h) | 54.3 mph (87.38 km/h) |
| 60 mph (96.56 km/h) | 59.23 mph (95.33 km/h) |
| 65 mph (104.61 km/h) | 64.17 mph (103.27 km/h) |
| 70 mph (112.65 km/h) | 69.11 mph (111.22 km/h) |
| 75 mph (120.7 km/h) | 74.04 mph (119.16 km/h) |
| 80 mph (128.75 km/h) | 78.98 mph (127.1 km/h) |
| 85 mph (136.79 km/h) | 83.91 mph (135.05 km/h) |
| 90 mph (144.84 km/h) | 88.85 mph (142.99 km/h) |
| 95 mph (152.89 km/h) | 93.79 mph (150.94 km/h) |
| 100 mph (160.93 km/h) | 98.72 mph (158.88 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1915 | 2225 | 2396 | 2502 | 2616 | 2698 | 2788 | 2893 | 3040 | 3187 | 3350 | 3480 | 3717 | 3978 | 4181 | 4312 | 4385 | 4654 | 5029 | 5844 |
Better Fuel Economy Factory Ratios Increased Power
