Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/50-14 | 185/35-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.89 (530.6) | 22.1 (561.3) | 1.21 (30.7) 5.8% |
| Width inches (mm) | 6.89 (175) | 7.28 (185) | 0.39 (10) 5.7% |
| Circum. inches (mm) | 65.63 (1666.93) | 69.42 (1763.38) | 3.8 (96.45) 5.8% |
| Sidewall Height inches (mm) | 3.44 (87.5) | 2.55 (64.75) | -0.9 (-22.75) -26% |
| Revolutions per mile (km) | 965.45 (599.9) | 912.65 (567.09) | -52.81 (-32.81) -5.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.16 mph (34.05 km/h) |
| 25 mph (40.23 km/h) | 26.45 mph (42.56 km/h) |
| 30 mph (48.28 km/h) | 31.74 mph (51.07 km/h) |
| 35 mph (56.33 km/h) | 37.03 mph (59.59 km/h) |
| 40 mph (64.37 km/h) | 42.31 mph (68.1 km/h) |
| 45 mph (72.42 km/h) | 47.6 mph (76.61 km/h) |
| 50 mph (80.47 km/h) | 52.89 mph (85.12 km/h) |
| 55 mph (88.51 km/h) | 58.18 mph (93.64 km/h) |
| 60 mph (96.56 km/h) | 63.47 mph (102.15 km/h) |
| 65 mph (104.61 km/h) | 68.76 mph (110.66 km/h) |
| 70 mph (112.65 km/h) | 74.05 mph (119.17 km/h) |
| 75 mph (120.7 km/h) | 79.34 mph (127.68 km/h) |
| 80 mph (128.75 km/h) | 84.63 mph (136.2 km/h) |
| 85 mph (136.79 km/h) | 89.92 mph (144.71 km/h) |
| 90 mph (144.84 km/h) | 95.21 mph (153.22 km/h) |
| 95 mph (152.89 km/h) | 100.5 mph (161.73 km/h) |
| 100 mph (160.93 km/h) | 105.79 mph (170.25 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2323 | 2698 | 2906 | 3034 | 3172 | 3271 | 3380 | 3508 | 3686 | 3864 | 4062 | 4220 | 4507 | 4823 | 5070 | 5228 | 5317 | 5643 | 6098 | 7086 |
Better Fuel Economy Factory Ratios Increased Power
