Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/45-15 | 225/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.62 (574.5) | 23.86 (606) | 1.24 (31.5) 5.5% |
| Width inches (mm) | 8.46 (215) | 8.86 (225) | 0.39 (10) 4.7% |
| Circum. inches (mm) | 71.06 (1804.84) | 74.95 (1903.81) | 3.9 (98.96) 5.5% |
| Sidewall Height inches (mm) | 3.81 (96.75) | 4.43 (112.5) | 0.62 (15.75) 16.3% |
| Revolutions per mile (km) | 891.68 (554.06) | 845.33 (525.26) | -46.35 (-28.8) -5.2% |
225/50-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.1 mph (33.95 km/h) |
| 25 mph (40.23 km/h) | 26.37 mph (42.44 km/h) |
| 30 mph (48.28 km/h) | 31.64 mph (50.93 km/h) |
| 35 mph (56.33 km/h) | 36.92 mph (59.42 km/h) |
| 40 mph (64.37 km/h) | 42.19 mph (67.9 km/h) |
| 45 mph (72.42 km/h) | 47.47 mph (76.39 km/h) |
| 50 mph (80.47 km/h) | 52.74 mph (84.88 km/h) |
| 55 mph (88.51 km/h) | 58.02 mph (93.37 km/h) |
| 60 mph (96.56 km/h) | 63.29 mph (101.86 km/h) |
| 65 mph (104.61 km/h) | 68.56 mph (110.34 km/h) |
| 70 mph (112.65 km/h) | 73.84 mph (118.83 km/h) |
| 75 mph (120.7 km/h) | 79.11 mph (127.32 km/h) |
| 80 mph (128.75 km/h) | 84.39 mph (135.81 km/h) |
| 85 mph (136.79 km/h) | 89.66 mph (144.29 km/h) |
| 90 mph (144.84 km/h) | 94.93 mph (152.78 km/h) |
| 95 mph (152.89 km/h) | 100.21 mph (161.27 km/h) |
| 100 mph (160.93 km/h) | 105.48 mph (169.76 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
