Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/40-16 | 145/60-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.2 (538.4) | 22.85 (580.4) | 1.65 (42) 7.8% |
| Width inches (mm) | 6.5 (165) | 5.71 (145) | -0.79 (-20) -12.1% |
| Circum. inches (mm) | 66.59 (1691.43) | 71.79 (1823.38) | 5.19 (131.95) 7.8% |
| Sidewall Height inches (mm) | 2.6 (66) | 3.43 (87) | 0.83 (21) 31.8% |
| Revolutions per mile (km) | 951.47 (591.21) | 882.62 (548.43) | -68.85 (-42.78) -7.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.56 mph (34.7 km/h) |
| 25 mph (40.23 km/h) | 26.95 mph (43.37 km/h) |
| 30 mph (48.28 km/h) | 32.34 mph (52.05 km/h) |
| 35 mph (56.33 km/h) | 37.73 mph (60.72 km/h) |
| 40 mph (64.37 km/h) | 43.12 mph (69.4 km/h) |
| 45 mph (72.42 km/h) | 48.51 mph (78.07 km/h) |
| 50 mph (80.47 km/h) | 53.9 mph (86.74 km/h) |
| 55 mph (88.51 km/h) | 59.29 mph (95.42 km/h) |
| 60 mph (96.56 km/h) | 64.68 mph (104.09 km/h) |
| 65 mph (104.61 km/h) | 70.07 mph (112.77 km/h) |
| 70 mph (112.65 km/h) | 75.46 mph (121.44 km/h) |
| 75 mph (120.7 km/h) | 80.85 mph (130.12 km/h) |
| 80 mph (128.75 km/h) | 86.24 mph (138.79 km/h) |
| 85 mph (136.79 km/h) | 91.63 mph (147.47 km/h) |
| 90 mph (144.84 km/h) | 97.02 mph (156.14 km/h) |
| 95 mph (152.89 km/h) | 102.41 mph (164.81 km/h) |
| 100 mph (160.93 km/h) | 107.8 mph (173.49 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2246 | 2609 | 2810 | 2934 | 3068 | 3164 | 3269 | 3393 | 3565 | 3737 | 3928 | 4081 | 4358 | 4664 | 4903 | 5056 | 5142 | 5458 | 5897 | 6853 |
Better Fuel Economy Factory Ratios Increased Power
