Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/60-14 | 185/70-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.63 (625.6) | 24.2 (614.6) | -0.43 (-11) -1.8% |
| Width inches (mm) | 8.86 (225) | 7.28 (185) | -1.57 (-40) -17.8% |
| Circum. inches (mm) | 77.38 (1965.38) | 76.02 (1930.82) | -1.36 (-34.56) -1.8% |
| Sidewall Height inches (mm) | 5.31 (135) | 5.1 (129.5) | -0.22 (-5.5) -4.1% |
| Revolutions per mile (km) | 818.85 (508.81) | 833.5 (517.91) | 14.66 (9.11) 1.8% |
185/70-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.65 mph (31.62 km/h) |
| 25 mph (40.23 km/h) | 24.56 mph (39.53 km/h) |
| 30 mph (48.28 km/h) | 29.47 mph (47.43 km/h) |
| 35 mph (56.33 km/h) | 34.38 mph (55.34 km/h) |
| 40 mph (64.37 km/h) | 39.3 mph (63.24 km/h) |
| 45 mph (72.42 km/h) | 44.21 mph (71.15 km/h) |
| 50 mph (80.47 km/h) | 49.12 mph (79.05 km/h) |
| 55 mph (88.51 km/h) | 54.03 mph (86.96 km/h) |
| 60 mph (96.56 km/h) | 58.95 mph (94.86 km/h) |
| 65 mph (104.61 km/h) | 63.86 mph (102.77 km/h) |
| 70 mph (112.65 km/h) | 68.77 mph (110.67 km/h) |
| 75 mph (120.7 km/h) | 73.68 mph (118.58 km/h) |
| 80 mph (128.75 km/h) | 78.59 mph (126.48 km/h) |
| 85 mph (136.79 km/h) | 83.51 mph (134.39 km/h) |
| 90 mph (144.84 km/h) | 88.42 mph (142.29 km/h) |
| 95 mph (152.89 km/h) | 93.33 mph (150.2 km/h) |
| 100 mph (160.93 km/h) | 98.24 mph (158.1 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2121 | 2464 | 2654 | 2771 | 2897 | 2988 | 3087 | 3204 | 3367 | 3529 | 3710 | 3854 | 4116 | 4405 | 4630 | 4775 | 4856 | 5154 | 5569 | 6472 |
Better Fuel Economy Factory Ratios Increased Power
