Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/90-18 | 295/70-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.4 (772.2) | 34.26 (870.2) | 3.86 (98) 12.7% |
| Width inches (mm) | 6.89 (175) | 11.61 (295) | 4.72 (120) 68.6% |
| Circum. inches (mm) | 95.51 (2425.94) | 107.63 (2733.81) | 12.12 (307.88) 12.7% |
| Sidewall Height inches (mm) | 6.2 (157.5) | 8.13 (206.5) | 1.93 (49) 31.1% |
| Revolutions per mile (km) | 663.39 (412.21) | 588.68 (365.79) | -74.71 (-46.42) -11.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.54 mph (36.27 km/h) |
| 25 mph (40.23 km/h) | 28.17 mph (45.34 km/h) |
| 30 mph (48.28 km/h) | 33.81 mph (54.41 km/h) |
| 35 mph (56.33 km/h) | 39.44 mph (63.48 km/h) |
| 40 mph (64.37 km/h) | 45.08 mph (72.54 km/h) |
| 45 mph (72.42 km/h) | 50.71 mph (81.61 km/h) |
| 50 mph (80.47 km/h) | 56.35 mph (90.68 km/h) |
| 55 mph (88.51 km/h) | 61.98 mph (99.75 km/h) |
| 60 mph (96.56 km/h) | 67.61 mph (108.82 km/h) |
| 65 mph (104.61 km/h) | 73.25 mph (117.88 km/h) |
| 70 mph (112.65 km/h) | 78.88 mph (126.95 km/h) |
| 75 mph (120.7 km/h) | 84.52 mph (136.02 km/h) |
| 80 mph (128.75 km/h) | 90.15 mph (145.09 km/h) |
| 85 mph (136.79 km/h) | 95.79 mph (154.16 km/h) |
| 90 mph (144.84 km/h) | 101.42 mph (163.22 km/h) |
| 95 mph (152.89 km/h) | 107.06 mph (172.29 km/h) |
| 100 mph (160.93 km/h) | 112.69 mph (181.36 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1498 | 1740 | 1874 | 1957 | 2046 | 2110 | 2180 | 2263 | 2378 | 2493 | 2620 | 2722 | 2907 | 3111 | 3270 | 3372 | 3430 | 3640 | 3933 | 4571 |
Better Fuel Economy Factory Ratios Increased Power
