Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/25-20 | 295/45-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26 (660.5) | 28.45 (722.7) | 2.45 (62.2) 9.4% |
| Width inches (mm) | 12.01 (305) | 11.61 (295) | -0.39 (-10) -3.3% |
| Circum. inches (mm) | 81.69 (2075.02) | 89.39 (2270.43) | 7.69 (195.41) 9.4% |
| Sidewall Height inches (mm) | 3 (76.25) | 5.23 (132.75) | 2.22 (56.5) 74.1% |
| Revolutions per mile (km) | 775.58 (481.92) | 708.83 (440.44) | -66.75 (-41.48) -8.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.88 mph (35.22 km/h) |
| 25 mph (40.23 km/h) | 27.35 mph (44.02 km/h) |
| 30 mph (48.28 km/h) | 32.83 mph (52.83 km/h) |
| 35 mph (56.33 km/h) | 38.3 mph (61.63 km/h) |
| 40 mph (64.37 km/h) | 43.77 mph (70.44 km/h) |
| 45 mph (72.42 km/h) | 49.24 mph (79.24 km/h) |
| 50 mph (80.47 km/h) | 54.71 mph (88.05 km/h) |
| 55 mph (88.51 km/h) | 60.18 mph (96.85 km/h) |
| 60 mph (96.56 km/h) | 65.65 mph (105.65 km/h) |
| 65 mph (104.61 km/h) | 71.12 mph (114.46 km/h) |
| 70 mph (112.65 km/h) | 76.59 mph (123.26 km/h) |
| 75 mph (120.7 km/h) | 82.06 mph (132.07 km/h) |
| 80 mph (128.75 km/h) | 87.53 mph (140.87 km/h) |
| 85 mph (136.79 km/h) | 93 mph (149.68 km/h) |
| 90 mph (144.84 km/h) | 98.48 mph (158.48 km/h) |
| 95 mph (152.89 km/h) | 103.95 mph (167.29 km/h) |
| 100 mph (160.93 km/h) | 109.42 mph (176.09 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1804 | 2096 | 2257 | 2356 | 2464 | 2541 | 2625 | 2725 | 2863 | 3001 | 3155 | 3278 | 3500 | 3746 | 3938 | 4061 | 4130 | 4383 | 4736 | 5504 |
Better Fuel Economy Factory Ratios Increased Power
