Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/50-13 | 215/40-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 19.89 (505.2) | 19.77 (502.2) | -0.12 (-3) -0.6% |
| Width inches (mm) | 6.89 (175) | 8.46 (215) | 1.57 (40) 22.9% |
| Circum. inches (mm) | 62.49 (1587.13) | 62.11 (1577.71) | -0.37 (-9.42) -0.6% |
| Sidewall Height inches (mm) | 3.44 (87.5) | 3.39 (86) | -0.06 (-1.5) -1.7% |
| Revolutions per mile (km) | 1013.99 (630.07) | 1020.05 (633.83) | 6.06 (3.76) 0.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.88 mph (32 km/h) |
| 25 mph (40.23 km/h) | 24.85 mph (39.99 km/h) |
| 30 mph (48.28 km/h) | 29.82 mph (47.99 km/h) |
| 35 mph (56.33 km/h) | 34.79 mph (55.99 km/h) |
| 40 mph (64.37 km/h) | 39.76 mph (63.99 km/h) |
| 45 mph (72.42 km/h) | 44.73 mph (71.99 km/h) |
| 50 mph (80.47 km/h) | 49.7 mph (79.99 km/h) |
| 55 mph (88.51 km/h) | 54.67 mph (87.99 km/h) |
| 60 mph (96.56 km/h) | 59.64 mph (95.99 km/h) |
| 65 mph (104.61 km/h) | 64.61 mph (103.99 km/h) |
| 70 mph (112.65 km/h) | 69.58 mph (111.99 km/h) |
| 75 mph (120.7 km/h) | 74.55 mph (119.98 km/h) |
| 80 mph (128.75 km/h) | 79.52 mph (127.98 km/h) |
| 85 mph (136.79 km/h) | 84.5 mph (135.98 km/h) |
| 90 mph (144.84 km/h) | 89.47 mph (143.98 km/h) |
| 95 mph (152.89 km/h) | 94.44 mph (151.98 km/h) |
| 100 mph (160.93 km/h) | 99.41 mph (159.98 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
