Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/70-13 | 185/60-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.54 (547.2) | 22.74 (577.6) | 1.2 (30.4) 5.6% |
| Width inches (mm) | 6.1 (155) | 7.28 (185) | 1.18 (30) 19.4% |
| Circum. inches (mm) | 67.68 (1719.08) | 71.44 (1814.58) | 3.76 (95.5) 5.6% |
| Sidewall Height inches (mm) | 4.27 (108.5) | 4.37 (111) | 0.1 (2.5) 2.3% |
| Revolutions per mile (km) | 936.17 (581.71) | 886.89 (551.09) | -49.27 (-30.62) -5.3% |
185/60-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.11 mph (33.98 km/h) |
| 25 mph (40.23 km/h) | 26.39 mph (42.47 km/h) |
| 30 mph (48.28 km/h) | 31.67 mph (50.96 km/h) |
| 35 mph (56.33 km/h) | 36.94 mph (59.46 km/h) |
| 40 mph (64.37 km/h) | 42.22 mph (67.95 km/h) |
| 45 mph (72.42 km/h) | 47.5 mph (76.44 km/h) |
| 50 mph (80.47 km/h) | 52.78 mph (84.94 km/h) |
| 55 mph (88.51 km/h) | 58.06 mph (93.43 km/h) |
| 60 mph (96.56 km/h) | 63.33 mph (101.93 km/h) |
| 65 mph (104.61 km/h) | 68.61 mph (110.42 km/h) |
| 70 mph (112.65 km/h) | 73.89 mph (118.91 km/h) |
| 75 mph (120.7 km/h) | 79.17 mph (127.41 km/h) |
| 80 mph (128.75 km/h) | 84.44 mph (135.9 km/h) |
| 85 mph (136.79 km/h) | 89.72 mph (144.39 km/h) |
| 90 mph (144.84 km/h) | 95 mph (152.89 km/h) |
| 95 mph (152.89 km/h) | 100.28 mph (161.38 km/h) |
| 100 mph (160.93 km/h) | 105.56 mph (169.88 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2257 | 2622 | 2824 | 2948 | 3083 | 3179 | 3285 | 3409 | 3582 | 3755 | 3947 | 4101 | 4379 | 4687 | 4927 | 5081 | 5167 | 5484 | 5926 | 6886 |
Better Fuel Economy Factory Ratios Increased Power
