Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/40-15 | 225/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.77 (553) | 23.86 (606) | 2.09 (53) 9.6% |
| Width inches (mm) | 8.46 (215) | 8.86 (225) | 0.39 (10) 4.7% |
| Circum. inches (mm) | 68.4 (1737.3) | 74.95 (1903.81) | 6.56 (166.5) 9.6% |
| Sidewall Height inches (mm) | 3.39 (86) | 4.43 (112.5) | 1.04 (26.5) 30.8% |
| Revolutions per mile (km) | 926.35 (575.6) | 845.33 (525.26) | -81.02 (-50.34) -8.7% |
225/50-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.92 mph (35.27 km/h) |
| 25 mph (40.23 km/h) | 27.4 mph (44.09 km/h) |
| 30 mph (48.28 km/h) | 32.88 mph (52.91 km/h) |
| 35 mph (56.33 km/h) | 38.35 mph (61.73 km/h) |
| 40 mph (64.37 km/h) | 43.83 mph (70.54 km/h) |
| 45 mph (72.42 km/h) | 49.31 mph (79.36 km/h) |
| 50 mph (80.47 km/h) | 54.79 mph (88.18 km/h) |
| 55 mph (88.51 km/h) | 60.27 mph (97 km/h) |
| 60 mph (96.56 km/h) | 65.75 mph (105.82 km/h) |
| 65 mph (104.61 km/h) | 71.23 mph (114.63 km/h) |
| 70 mph (112.65 km/h) | 76.71 mph (123.45 km/h) |
| 75 mph (120.7 km/h) | 82.19 mph (132.27 km/h) |
| 80 mph (128.75 km/h) | 87.67 mph (141.09 km/h) |
| 85 mph (136.79 km/h) | 93.15 mph (149.91 km/h) |
| 90 mph (144.84 km/h) | 98.63 mph (158.72 km/h) |
| 95 mph (152.89 km/h) | 104.1 mph (167.54 km/h) |
| 100 mph (160.93 km/h) | 109.58 mph (176.36 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2151 | 2499 | 2691 | 2810 | 2938 | 3030 | 3131 | 3250 | 3414 | 3579 | 3762 | 3909 | 4174 | 4467 | 4696 | 4842 | 4925 | 5227 | 5648 | 6563 |
Better Fuel Economy Factory Ratios Increased Power
