Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 210/40-18 | 330/30-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.61 (625.2) | 24.8 (629.8) | 0.18 (4.6) 0.7% |
| Width inches (mm) | 8.27 (210) | 12.99 (330) | 4.72 (120) 57.1% |
| Circum. inches (mm) | 77.33 (1964.12) | 77.9 (1978.58) | 0.57 (14.45) 0.7% |
| Sidewall Height inches (mm) | 3.31 (84) | 3.9 (99) | 0.59 (15) 17.9% |
| Revolutions per mile (km) | 819.37 (509.13) | 813.39 (505.41) | -5.98 (-3.72) -0.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.15 mph (32.42 km/h) |
| 25 mph (40.23 km/h) | 25.18 mph (40.53 km/h) |
| 30 mph (48.28 km/h) | 30.22 mph (48.64 km/h) |
| 35 mph (56.33 km/h) | 35.26 mph (56.74 km/h) |
| 40 mph (64.37 km/h) | 40.29 mph (64.85 km/h) |
| 45 mph (72.42 km/h) | 45.33 mph (72.95 km/h) |
| 50 mph (80.47 km/h) | 50.37 mph (81.06 km/h) |
| 55 mph (88.51 km/h) | 55.4 mph (89.17 km/h) |
| 60 mph (96.56 km/h) | 60.44 mph (97.27 km/h) |
| 65 mph (104.61 km/h) | 65.48 mph (105.38 km/h) |
| 70 mph (112.65 km/h) | 70.52 mph (113.48 km/h) |
| 75 mph (120.7 km/h) | 75.55 mph (121.59 km/h) |
| 80 mph (128.75 km/h) | 80.59 mph (129.7 km/h) |
| 85 mph (136.79 km/h) | 85.63 mph (137.8 km/h) |
| 90 mph (144.84 km/h) | 90.66 mph (145.91 km/h) |
| 95 mph (152.89 km/h) | 95.7 mph (154.01 km/h) |
| 100 mph (160.93 km/h) | 100.74 mph (162.12 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2070 | 2405 | 2590 | 2704 | 2827 | 2915 | 3012 | 3127 | 3285 | 3444 | 3620 | 3761 | 4017 | 4298 | 4519 | 4660 | 4739 | 5029 | 5435 | 6315 |
Better Fuel Economy Factory Ratios Increased Power
