Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/45-13 | 185/60-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.97 (532.7) | 22.74 (577.6) | 1.77 (44.9) 8.4% |
| Width inches (mm) | 8.86 (225) | 7.28 (185) | -1.57 (-40) -17.8% |
| Circum. inches (mm) | 65.89 (1673.53) | 71.44 (1814.58) | 5.55 (141.06) 8.4% |
| Sidewall Height inches (mm) | 3.99 (101.25) | 4.37 (111) | 0.38 (9.75) 9.6% |
| Revolutions per mile (km) | 961.65 (597.54) | 886.89 (551.09) | -74.75 (-46.45) -7.8% |
185/60-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.69 mph (34.9 km/h) |
| 25 mph (40.23 km/h) | 27.11 mph (43.62 km/h) |
| 30 mph (48.28 km/h) | 32.53 mph (52.35 km/h) |
| 35 mph (56.33 km/h) | 37.95 mph (61.07 km/h) |
| 40 mph (64.37 km/h) | 43.37 mph (69.8 km/h) |
| 45 mph (72.42 km/h) | 48.79 mph (78.52 km/h) |
| 50 mph (80.47 km/h) | 54.21 mph (87.25 km/h) |
| 55 mph (88.51 km/h) | 59.64 mph (95.97 km/h) |
| 60 mph (96.56 km/h) | 65.06 mph (104.7 km/h) |
| 65 mph (104.61 km/h) | 70.48 mph (113.42 km/h) |
| 70 mph (112.65 km/h) | 75.9 mph (122.15 km/h) |
| 75 mph (120.7 km/h) | 81.32 mph (130.87 km/h) |
| 80 mph (128.75 km/h) | 86.74 mph (139.6 km/h) |
| 85 mph (136.79 km/h) | 92.16 mph (148.32 km/h) |
| 90 mph (144.84 km/h) | 97.59 mph (157.05 km/h) |
| 95 mph (152.89 km/h) | 103.01 mph (165.77 km/h) |
| 100 mph (160.93 km/h) | 108.43 mph (174.5 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
