Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/40-16 | 185/60-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.2 (538.4) | 22.74 (577.6) | 1.54 (39.2) 7.3% |
| Width inches (mm) | 6.5 (165) | 7.28 (185) | 0.79 (20) 12.1% |
| Circum. inches (mm) | 66.59 (1691.43) | 71.44 (1814.58) | 4.85 (123.15) 7.3% |
| Sidewall Height inches (mm) | 2.6 (66) | 4.37 (111) | 1.77 (45) 68.2% |
| Revolutions per mile (km) | 951.47 (591.21) | 886.89 (551.09) | -64.57 (-40.12) -6.8% |
185/60-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.46 mph (34.53 km/h) |
| 25 mph (40.23 km/h) | 26.82 mph (43.16 km/h) |
| 30 mph (48.28 km/h) | 32.18 mph (51.8 km/h) |
| 35 mph (56.33 km/h) | 37.55 mph (60.43 km/h) |
| 40 mph (64.37 km/h) | 42.91 mph (69.06 km/h) |
| 45 mph (72.42 km/h) | 48.28 mph (77.69 km/h) |
| 50 mph (80.47 km/h) | 53.64 mph (86.33 km/h) |
| 55 mph (88.51 km/h) | 59 mph (94.96 km/h) |
| 60 mph (96.56 km/h) | 64.37 mph (103.59 km/h) |
| 65 mph (104.61 km/h) | 69.73 mph (112.22 km/h) |
| 70 mph (112.65 km/h) | 75.1 mph (120.86 km/h) |
| 75 mph (120.7 km/h) | 80.46 mph (129.49 km/h) |
| 80 mph (128.75 km/h) | 85.82 mph (138.12 km/h) |
| 85 mph (136.79 km/h) | 91.19 mph (146.75 km/h) |
| 90 mph (144.84 km/h) | 96.55 mph (155.39 km/h) |
| 95 mph (152.89 km/h) | 101.92 mph (164.02 km/h) |
| 100 mph (160.93 km/h) | 107.28 mph (172.65 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
