Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 220/60-16 | 245/80-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.39 (670.4) | 33.43 (849.2) | 7.04 (178.8) 26.7% |
| Width inches (mm) | 8.66 (220) | 9.65 (245) | 0.98 (25) 11.4% |
| Circum. inches (mm) | 82.92 (2106.12) | 105.03 (2667.84) | 22.11 (561.72) 26.7% |
| Sidewall Height inches (mm) | 5.2 (132) | 7.72 (196) | 2.52 (64) 48.5% |
| Revolutions per mile (km) | 764.13 (474.81) | 603.24 (374.83) | -160.89 (-99.97) -21.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.33 mph (40.77 km/h) |
| 25 mph (40.23 km/h) | 31.67 mph (50.96 km/h) |
| 30 mph (48.28 km/h) | 38 mph (61.16 km/h) |
| 35 mph (56.33 km/h) | 44.33 mph (71.35 km/h) |
| 40 mph (64.37 km/h) | 50.67 mph (81.54 km/h) |
| 45 mph (72.42 km/h) | 57 mph (91.74 km/h) |
| 50 mph (80.47 km/h) | 63.34 mph (101.93 km/h) |
| 55 mph (88.51 km/h) | 69.67 mph (112.12 km/h) |
| 60 mph (96.56 km/h) | 76 mph (122.31 km/h) |
| 65 mph (104.61 km/h) | 82.34 mph (132.51 km/h) |
| 70 mph (112.65 km/h) | 88.67 mph (142.7 km/h) |
| 75 mph (120.7 km/h) | 95 mph (152.89 km/h) |
| 80 mph (128.75 km/h) | 101.34 mph (163.09 km/h) |
| 85 mph (136.79 km/h) | 107.67 mph (173.28 km/h) |
| 90 mph (144.84 km/h) | 114 mph (183.47 km/h) |
| 95 mph (152.89 km/h) | 120.34 mph (193.66 km/h) |
| 100 mph (160.93 km/h) | 126.67 mph (203.86 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1535 | 1783 | 1921 | 2005 | 2097 | 2162 | 2234 | 2319 | 2437 | 2554 | 2685 | 2789 | 2979 | 3188 | 3351 | 3456 | 3514 | 3730 | 4031 | 4684 |
Better Fuel Economy Factory Ratios Increased Power
