Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/50-18 | 215/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.46 (672.2) | 28.16 (715.2) | 1.69 (43) 6.4% |
| Width inches (mm) | 8.46 (215) | 8.46 (215) | 0 (0) 0% |
| Circum. inches (mm) | 83.14 (2111.78) | 88.46 (2246.87) | 5.32 (135.09) 6.4% |
| Sidewall Height inches (mm) | 4.23 (107.5) | 5.08 (129) | 0.85 (21.5) 20% |
| Revolutions per mile (km) | 762.08 (473.53) | 716.26 (445.06) | -45.82 (-28.47) -6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.28 mph (34.25 km/h) |
| 25 mph (40.23 km/h) | 26.6 mph (42.81 km/h) |
| 30 mph (48.28 km/h) | 31.92 mph (51.37 km/h) |
| 35 mph (56.33 km/h) | 37.24 mph (59.93 km/h) |
| 40 mph (64.37 km/h) | 42.56 mph (68.49 km/h) |
| 45 mph (72.42 km/h) | 47.88 mph (77.05 km/h) |
| 50 mph (80.47 km/h) | 53.2 mph (85.61 km/h) |
| 55 mph (88.51 km/h) | 58.52 mph (94.18 km/h) |
| 60 mph (96.56 km/h) | 63.84 mph (102.74 km/h) |
| 65 mph (104.61 km/h) | 69.16 mph (111.3 km/h) |
| 70 mph (112.65 km/h) | 74.48 mph (119.86 km/h) |
| 75 mph (120.7 km/h) | 79.8 mph (128.42 km/h) |
| 80 mph (128.75 km/h) | 85.12 mph (136.98 km/h) |
| 85 mph (136.79 km/h) | 90.44 mph (145.55 km/h) |
| 90 mph (144.84 km/h) | 95.76 mph (154.11 km/h) |
| 95 mph (152.89 km/h) | 101.08 mph (162.67 km/h) |
| 100 mph (160.93 km/h) | 106.4 mph (171.23 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1823 | 2117 | 2280 | 2381 | 2490 | 2567 | 2653 | 2754 | 2893 | 3033 | 3188 | 3312 | 3537 | 3785 | 3979 | 4103 | 4173 | 4429 | 4786 | 5561 |
Better Fuel Economy Factory Ratios Increased Power
