Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/45-18 | 295/45-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.04 (686.7) | 28.45 (722.7) | 1.42 (36) 5.2% |
| Width inches (mm) | 10.04 (255) | 11.61 (295) | 1.57 (40) 15.7% |
| Circum. inches (mm) | 84.93 (2157.33) | 89.39 (2270.43) | 4.45 (113.1) 5.2% |
| Sidewall Height inches (mm) | 4.52 (114.75) | 5.23 (132.75) | 0.71 (18) 15.7% |
| Revolutions per mile (km) | 745.99 (463.53) | 708.83 (440.44) | -37.16 (-23.09) -5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.05 mph (33.87 km/h) |
| 25 mph (40.23 km/h) | 26.31 mph (42.34 km/h) |
| 30 mph (48.28 km/h) | 31.57 mph (50.81 km/h) |
| 35 mph (56.33 km/h) | 36.83 mph (59.28 km/h) |
| 40 mph (64.37 km/h) | 42.1 mph (67.75 km/h) |
| 45 mph (72.42 km/h) | 47.36 mph (76.22 km/h) |
| 50 mph (80.47 km/h) | 52.62 mph (84.69 km/h) |
| 55 mph (88.51 km/h) | 57.88 mph (93.15 km/h) |
| 60 mph (96.56 km/h) | 63.15 mph (101.62 km/h) |
| 65 mph (104.61 km/h) | 68.41 mph (110.09 km/h) |
| 70 mph (112.65 km/h) | 73.67 mph (118.56 km/h) |
| 75 mph (120.7 km/h) | 78.93 mph (127.03 km/h) |
| 80 mph (128.75 km/h) | 84.19 mph (135.5 km/h) |
| 85 mph (136.79 km/h) | 89.46 mph (143.97 km/h) |
| 90 mph (144.84 km/h) | 94.72 mph (152.43 km/h) |
| 95 mph (152.89 km/h) | 99.98 mph (160.9 km/h) |
| 100 mph (160.93 km/h) | 105.24 mph (169.37 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
