Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/90-18 | 295/100-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.4 (772.2) | 41.23 (1047.2) | 10.83 (275) 35.6% |
| Width inches (mm) | 6.89 (175) | 11.61 (295) | 4.72 (120) 68.6% |
| Circum. inches (mm) | 95.51 (2425.94) | 129.52 (3289.88) | 34.01 (863.94) 35.6% |
| Sidewall Height inches (mm) | 6.2 (157.5) | 11.61 (295) | 5.41 (137.5) 87.3% |
| Revolutions per mile (km) | 663.39 (412.21) | 489.18 (303.96) | -174.21 (-108.25) -26.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 27.12 mph (43.65 km/h) |
| 25 mph (40.23 km/h) | 33.9 mph (54.56 km/h) |
| 30 mph (48.28 km/h) | 40.68 mph (65.47 km/h) |
| 35 mph (56.33 km/h) | 47.46 mph (76.39 km/h) |
| 40 mph (64.37 km/h) | 54.25 mph (87.3 km/h) |
| 45 mph (72.42 km/h) | 61.03 mph (98.21 km/h) |
| 50 mph (80.47 km/h) | 67.81 mph (109.12 km/h) |
| 55 mph (88.51 km/h) | 74.59 mph (120.04 km/h) |
| 60 mph (96.56 km/h) | 81.37 mph (130.95 km/h) |
| 65 mph (104.61 km/h) | 88.15 mph (141.86 km/h) |
| 70 mph (112.65 km/h) | 94.93 mph (152.77 km/h) |
| 75 mph (120.7 km/h) | 101.71 mph (163.69 km/h) |
| 80 mph (128.75 km/h) | 108.49 mph (174.6 km/h) |
| 85 mph (136.79 km/h) | 115.27 mph (185.51 km/h) |
| 90 mph (144.84 km/h) | 122.05 mph (196.42 km/h) |
| 95 mph (152.89 km/h) | 128.83 mph (207.34 km/h) |
| 100 mph (160.93 km/h) | 135.61 mph (218.25 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1245 | 1446 | 1557 | 1626 | 1700 | 1753 | 1812 | 1881 | 1976 | 2071 | 2177 | 2262 | 2416 | 2585 | 2718 | 2802 | 2850 | 3025 | 3268 | 3798 |
Better Fuel Economy Factory Ratios Increased Power
