Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/30-18 | 295/80-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.97 (634.2) | 36.58 (929.2) | 11.61 (295) 46.5% |
| Width inches (mm) | 11.61 (295) | 11.61 (295) | 0 (0) 0% |
| Circum. inches (mm) | 78.44 (1992.4) | 114.93 (2919.17) | 36.49 (926.77) 46.5% |
| Sidewall Height inches (mm) | 3.48 (88.5) | 9.29 (236) | 5.81 (147.5) 166.7% |
| Revolutions per mile (km) | 807.74 (501.91) | 551.3 (342.56) | -256.44 (-159.34) -31.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 29.3 mph (47.16 km/h) |
| 25 mph (40.23 km/h) | 36.63 mph (58.95 km/h) |
| 30 mph (48.28 km/h) | 43.95 mph (70.74 km/h) |
| 35 mph (56.33 km/h) | 51.28 mph (82.53 km/h) |
| 40 mph (64.37 km/h) | 58.61 mph (94.32 km/h) |
| 45 mph (72.42 km/h) | 65.93 mph (106.11 km/h) |
| 50 mph (80.47 km/h) | 73.26 mph (117.9 km/h) |
| 55 mph (88.51 km/h) | 80.58 mph (129.69 km/h) |
| 60 mph (96.56 km/h) | 87.91 mph (141.48 km/h) |
| 65 mph (104.61 km/h) | 95.23 mph (153.27 km/h) |
| 70 mph (112.65 km/h) | 102.56 mph (165.06 km/h) |
| 75 mph (120.7 km/h) | 109.89 mph (176.85 km/h) |
| 80 mph (128.75 km/h) | 117.21 mph (188.64 km/h) |
| 85 mph (136.79 km/h) | 124.54 mph (200.42 km/h) |
| 90 mph (144.84 km/h) | 131.86 mph (212.21 km/h) |
| 95 mph (152.89 km/h) | 139.19 mph (224 km/h) |
| 100 mph (160.93 km/h) | 146.52 mph (235.79 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1403 | 1630 | 1755 | 1833 | 1916 | 1976 | 2042 | 2119 | 2227 | 2334 | 2454 | 2549 | 2722 | 2913 | 3063 | 3158 | 3212 | 3409 | 3684 | 4281 |
Better Fuel Economy Factory Ratios Increased Power
