Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/65-13 | 185/60-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.44 (544.7) | 22.74 (577.6) | 1.3 (32.9) 6% |
| Width inches (mm) | 6.5 (165) | 7.28 (185) | 0.79 (20) 12.1% |
| Circum. inches (mm) | 67.37 (1711.23) | 71.44 (1814.58) | 4.07 (103.36) 6% |
| Sidewall Height inches (mm) | 4.22 (107.25) | 4.37 (111) | 0.15 (3.75) 3.5% |
| Revolutions per mile (km) | 940.46 (584.38) | 886.89 (551.09) | -53.57 (-33.29) -5.7% |
185/60-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.21 mph (34.13 km/h) |
| 25 mph (40.23 km/h) | 26.51 mph (42.66 km/h) |
| 30 mph (48.28 km/h) | 31.81 mph (51.2 km/h) |
| 35 mph (56.33 km/h) | 37.11 mph (59.73 km/h) |
| 40 mph (64.37 km/h) | 42.42 mph (68.26 km/h) |
| 45 mph (72.42 km/h) | 47.72 mph (76.79 km/h) |
| 50 mph (80.47 km/h) | 53.02 mph (85.33 km/h) |
| 55 mph (88.51 km/h) | 58.32 mph (93.86 km/h) |
| 60 mph (96.56 km/h) | 63.62 mph (102.39 km/h) |
| 65 mph (104.61 km/h) | 68.93 mph (110.93 km/h) |
| 70 mph (112.65 km/h) | 74.23 mph (119.46 km/h) |
| 75 mph (120.7 km/h) | 79.53 mph (127.99 km/h) |
| 80 mph (128.75 km/h) | 84.83 mph (136.52 km/h) |
| 85 mph (136.79 km/h) | 90.13 mph (145.06 km/h) |
| 90 mph (144.84 km/h) | 95.44 mph (153.59 km/h) |
| 95 mph (152.89 km/h) | 100.74 mph (162.12 km/h) |
| 100 mph (160.93 km/h) | 106.04 mph (170.66 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
