Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/45-18 | 305/50-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.45 (722.7) | 30.01 (762.2) | 1.56 (39.5) 5.5% |
| Width inches (mm) | 11.61 (295) | 12.01 (305) | 0.39 (10) 3.4% |
| Circum. inches (mm) | 89.39 (2270.43) | 94.27 (2394.52) | 4.89 (124.09) 5.5% |
| Sidewall Height inches (mm) | 5.23 (132.75) | 6 (152.5) | 0.78 (19.75) 14.9% |
| Revolutions per mile (km) | 708.83 (440.44) | 672.09 (417.62) | -36.73 (-22.83) -5.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.09 mph (33.95 km/h) |
| 25 mph (40.23 km/h) | 26.37 mph (42.43 km/h) |
| 30 mph (48.28 km/h) | 31.64 mph (50.92 km/h) |
| 35 mph (56.33 km/h) | 36.91 mph (59.41 km/h) |
| 40 mph (64.37 km/h) | 42.19 mph (67.89 km/h) |
| 45 mph (72.42 km/h) | 47.46 mph (76.38 km/h) |
| 50 mph (80.47 km/h) | 52.73 mph (84.87 km/h) |
| 55 mph (88.51 km/h) | 58.01 mph (93.35 km/h) |
| 60 mph (96.56 km/h) | 63.28 mph (101.84 km/h) |
| 65 mph (104.61 km/h) | 68.55 mph (110.33 km/h) |
| 70 mph (112.65 km/h) | 73.83 mph (118.81 km/h) |
| 75 mph (120.7 km/h) | 79.1 mph (127.3 km/h) |
| 80 mph (128.75 km/h) | 84.37 mph (135.78 km/h) |
| 85 mph (136.79 km/h) | 89.65 mph (144.27 km/h) |
| 90 mph (144.84 km/h) | 94.92 mph (152.76 km/h) |
| 95 mph (152.89 km/h) | 100.19 mph (161.24 km/h) |
| 100 mph (160.93 km/h) | 105.47 mph (169.73 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1710 | 1987 | 2140 | 2234 | 2336 | 2409 | 2489 | 2584 | 2715 | 2846 | 2991 | 3108 | 3319 | 3552 | 3734 | 3850 | 3916 | 4156 | 4491 | 5218 |
Better Fuel Economy Factory Ratios Increased Power
