Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/30-20 | 365/45-24 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.08 (637) | 36.93 (938.1) | 11.85 (301.1) 47.3% |
| Width inches (mm) | 8.46 (215) | 14.37 (365) | 5.91 (150) 69.8% |
| Circum. inches (mm) | 78.79 (2001.19) | 116.03 (2947.13) | 37.24 (945.93) 47.3% |
| Sidewall Height inches (mm) | 2.54 (64.5) | 6.47 (164.25) | 3.93 (99.75) 154.7% |
| Revolutions per mile (km) | 804.19 (499.7) | 546.07 (339.31) | -258.12 (-160.39) -32.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 29.45 mph (47.4 km/h) |
| 25 mph (40.23 km/h) | 36.82 mph (59.25 km/h) |
| 30 mph (48.28 km/h) | 44.18 mph (71.1 km/h) |
| 35 mph (56.33 km/h) | 51.54 mph (82.95 km/h) |
| 40 mph (64.37 km/h) | 58.91 mph (94.8 km/h) |
| 45 mph (72.42 km/h) | 66.27 mph (106.65 km/h) |
| 50 mph (80.47 km/h) | 73.63 mph (118.5 km/h) |
| 55 mph (88.51 km/h) | 81 mph (130.35 km/h) |
| 60 mph (96.56 km/h) | 88.36 mph (142.2 km/h) |
| 65 mph (104.61 km/h) | 95.72 mph (154.05 km/h) |
| 70 mph (112.65 km/h) | 103.09 mph (165.9 km/h) |
| 75 mph (120.7 km/h) | 110.45 mph (177.75 km/h) |
| 80 mph (128.75 km/h) | 117.81 mph (189.6 km/h) |
| 85 mph (136.79 km/h) | 125.18 mph (201.46 km/h) |
| 90 mph (144.84 km/h) | 132.54 mph (213.31 km/h) |
| 95 mph (152.89 km/h) | 139.91 mph (225.16 km/h) |
| 100 mph (160.93 km/h) | 147.27 mph (237.01 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1390 | 1614 | 1739 | 1815 | 1898 | 1957 | 2022 | 2099 | 2206 | 2312 | 2430 | 2525 | 2697 | 2886 | 3034 | 3128 | 3181 | 3377 | 3649 | 4240 |
Better Fuel Economy Factory Ratios Increased Power
