Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/90-18 | 295/95-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.4 (772.2) | 40.07 (1017.7) | 9.67 (245.5) 31.8% |
| Width inches (mm) | 6.89 (175) | 11.61 (295) | 4.72 (120) 68.6% |
| Circum. inches (mm) | 95.51 (2425.94) | 125.87 (3197.2) | 30.36 (771.26) 31.8% |
| Sidewall Height inches (mm) | 6.2 (157.5) | 11.03 (280.25) | 4.83 (122.75) 77.9% |
| Revolutions per mile (km) | 663.39 (412.21) | 503.36 (312.77) | -160.03 (-99.44) -24.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 26.36 mph (42.42 km/h) |
| 25 mph (40.23 km/h) | 32.95 mph (53.02 km/h) |
| 30 mph (48.28 km/h) | 39.54 mph (63.63 km/h) |
| 35 mph (56.33 km/h) | 46.13 mph (74.23 km/h) |
| 40 mph (64.37 km/h) | 52.72 mph (84.84 km/h) |
| 45 mph (72.42 km/h) | 59.31 mph (95.44 km/h) |
| 50 mph (80.47 km/h) | 65.9 mph (106.05 km/h) |
| 55 mph (88.51 km/h) | 72.49 mph (116.65 km/h) |
| 60 mph (96.56 km/h) | 79.08 mph (127.26 km/h) |
| 65 mph (104.61 km/h) | 85.66 mph (137.86 km/h) |
| 70 mph (112.65 km/h) | 92.25 mph (148.47 km/h) |
| 75 mph (120.7 km/h) | 98.84 mph (159.07 km/h) |
| 80 mph (128.75 km/h) | 105.43 mph (169.68 km/h) |
| 85 mph (136.79 km/h) | 112.02 mph (180.28 km/h) |
| 90 mph (144.84 km/h) | 118.61 mph (190.89 km/h) |
| 95 mph (152.89 km/h) | 125.2 mph (201.49 km/h) |
| 100 mph (160.93 km/h) | 131.79 mph (212.1 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1281 | 1488 | 1603 | 1673 | 1750 | 1804 | 1864 | 1935 | 2033 | 2131 | 2240 | 2328 | 2486 | 2660 | 2796 | 2884 | 2933 | 3112 | 3363 | 3908 |
Better Fuel Economy Factory Ratios Increased Power
