Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 210/40-18 | 230/60-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.61 (625.2) | 27.87 (707.8) | 3.25 (82.6) 13.2% |
| Width inches (mm) | 8.27 (210) | 9.06 (230) | 0.79 (20) 9.5% |
| Circum. inches (mm) | 77.33 (1964.12) | 87.54 (2223.62) | 10.22 (259.5) 13.2% |
| Sidewall Height inches (mm) | 3.31 (84) | 5.43 (138) | 2.13 (54) 64.3% |
| Revolutions per mile (km) | 819.37 (509.13) | 723.75 (449.72) | -95.62 (-59.42) -11.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.64 mph (36.44 km/h) |
| 25 mph (40.23 km/h) | 28.3 mph (45.55 km/h) |
| 30 mph (48.28 km/h) | 33.96 mph (54.66 km/h) |
| 35 mph (56.33 km/h) | 39.62 mph (63.77 km/h) |
| 40 mph (64.37 km/h) | 45.28 mph (72.88 km/h) |
| 45 mph (72.42 km/h) | 50.95 mph (81.99 km/h) |
| 50 mph (80.47 km/h) | 56.61 mph (91.1 km/h) |
| 55 mph (88.51 km/h) | 62.27 mph (100.21 km/h) |
| 60 mph (96.56 km/h) | 67.93 mph (109.32 km/h) |
| 65 mph (104.61 km/h) | 73.59 mph (118.43 km/h) |
| 70 mph (112.65 km/h) | 79.25 mph (127.54 km/h) |
| 75 mph (120.7 km/h) | 84.91 mph (136.65 km/h) |
| 80 mph (128.75 km/h) | 90.57 mph (145.76 km/h) |
| 85 mph (136.79 km/h) | 96.23 mph (154.87 km/h) |
| 90 mph (144.84 km/h) | 101.89 mph (163.98 km/h) |
| 95 mph (152.89 km/h) | 107.55 mph (173.09 km/h) |
| 100 mph (160.93 km/h) | 113.21 mph (182.2 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1842 | 2140 | 2304 | 2406 | 2516 | 2594 | 2680 | 2782 | 2923 | 3064 | 3221 | 3347 | 3574 | 3825 | 4021 | 4146 | 4217 | 4475 | 4836 | 5619 |
Better Fuel Economy Factory Ratios Increased Power
