Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/55-17 | 145/90-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.31 (668.3) | 26.28 (667.4) | -0.04 (-0.9) -0.1% |
| Width inches (mm) | 8.46 (215) | 5.71 (145) | -2.76 (-70) -32.6% |
| Circum. inches (mm) | 82.66 (2099.53) | 82.55 (2096.7) | -0.11 (-2.83) -0.1% |
| Sidewall Height inches (mm) | 4.66 (118.25) | 5.14 (130.5) | 0.48 (12.25) 10.4% |
| Revolutions per mile (km) | 766.53 (476.3) | 767.56 (476.94) | 1.03 (0.64) 0.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.97 mph (32.14 km/h) |
| 25 mph (40.23 km/h) | 24.97 mph (40.18 km/h) |
| 30 mph (48.28 km/h) | 29.96 mph (48.22 km/h) |
| 35 mph (56.33 km/h) | 34.95 mph (56.25 km/h) |
| 40 mph (64.37 km/h) | 39.95 mph (64.29 km/h) |
| 45 mph (72.42 km/h) | 44.94 mph (72.32 km/h) |
| 50 mph (80.47 km/h) | 49.93 mph (80.36 km/h) |
| 55 mph (88.51 km/h) | 54.93 mph (88.39 km/h) |
| 60 mph (96.56 km/h) | 59.92 mph (96.43 km/h) |
| 65 mph (104.61 km/h) | 64.91 mph (104.47 km/h) |
| 70 mph (112.65 km/h) | 69.91 mph (112.5 km/h) |
| 75 mph (120.7 km/h) | 74.9 mph (120.54 km/h) |
| 80 mph (128.75 km/h) | 79.89 mph (128.57 km/h) |
| 85 mph (136.79 km/h) | 84.89 mph (136.61 km/h) |
| 90 mph (144.84 km/h) | 89.88 mph (144.65 km/h) |
| 95 mph (152.89 km/h) | 94.87 mph (152.68 km/h) |
| 100 mph (160.93 km/h) | 99.87 mph (160.72 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1953 | 2269 | 2444 | 2552 | 2668 | 2751 | 2843 | 2951 | 3100 | 3250 | 3416 | 3549 | 3790 | 4056 | 4264 | 4397 | 4472 | 4746 | 5128 | 5960 |
Better Fuel Economy Factory Ratios Increased Power
