Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/65-14 | 185/60-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.42 (544.1) | 22.74 (577.6) | 1.32 (33.5) 6.2% |
| Width inches (mm) | 5.71 (145) | 7.28 (185) | 1.57 (40) 27.6% |
| Circum. inches (mm) | 67.3 (1709.34) | 71.44 (1814.58) | 4.14 (105.24) 6.2% |
| Sidewall Height inches (mm) | 3.71 (94.25) | 4.37 (111) | 0.66 (16.75) 17.8% |
| Revolutions per mile (km) | 941.5 (585.02) | 886.89 (551.09) | -54.61 (-33.93) -5.8% |
185/60-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.23 mph (34.17 km/h) |
| 25 mph (40.23 km/h) | 26.54 mph (42.71 km/h) |
| 30 mph (48.28 km/h) | 31.85 mph (51.25 km/h) |
| 35 mph (56.33 km/h) | 37.15 mph (59.8 km/h) |
| 40 mph (64.37 km/h) | 42.46 mph (68.34 km/h) |
| 45 mph (72.42 km/h) | 47.77 mph (76.88 km/h) |
| 50 mph (80.47 km/h) | 53.08 mph (85.42 km/h) |
| 55 mph (88.51 km/h) | 58.39 mph (93.96 km/h) |
| 60 mph (96.56 km/h) | 63.69 mph (102.51 km/h) |
| 65 mph (104.61 km/h) | 69 mph (111.05 km/h) |
| 70 mph (112.65 km/h) | 74.31 mph (119.59 km/h) |
| 75 mph (120.7 km/h) | 79.62 mph (128.13 km/h) |
| 80 mph (128.75 km/h) | 84.93 mph (136.67 km/h) |
| 85 mph (136.79 km/h) | 90.23 mph (145.22 km/h) |
| 90 mph (144.84 km/h) | 95.54 mph (153.76 km/h) |
| 95 mph (152.89 km/h) | 100.85 mph (162.3 km/h) |
| 100 mph (160.93 km/h) | 106.16 mph (170.84 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
