Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/45-15 | 225/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.04 (610.5) | 23.86 (606) | -0.18 (-4.5) -0.7% |
| Width inches (mm) | 10.04 (255) | 8.86 (225) | -1.18 (-30) -11.8% |
| Circum. inches (mm) | 75.51 (1917.94) | 74.95 (1903.81) | -0.56 (-14.14) -0.7% |
| Sidewall Height inches (mm) | 4.52 (114.75) | 4.43 (112.5) | -0.09 (-2.25) -2% |
| Revolutions per mile (km) | 839.1 (521.39) | 845.33 (525.26) | 6.23 (3.87) 0.7% |
225/50-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.85 mph (31.95 km/h) |
| 25 mph (40.23 km/h) | 24.82 mph (39.94 km/h) |
| 30 mph (48.28 km/h) | 29.78 mph (47.92 km/h) |
| 35 mph (56.33 km/h) | 34.74 mph (55.91 km/h) |
| 40 mph (64.37 km/h) | 39.71 mph (63.9 km/h) |
| 45 mph (72.42 km/h) | 44.67 mph (71.89 km/h) |
| 50 mph (80.47 km/h) | 49.63 mph (79.87 km/h) |
| 55 mph (88.51 km/h) | 54.59 mph (87.86 km/h) |
| 60 mph (96.56 km/h) | 59.56 mph (95.85 km/h) |
| 65 mph (104.61 km/h) | 64.52 mph (103.84 km/h) |
| 70 mph (112.65 km/h) | 69.48 mph (111.82 km/h) |
| 75 mph (120.7 km/h) | 74.45 mph (119.81 km/h) |
| 80 mph (128.75 km/h) | 79.41 mph (127.8 km/h) |
| 85 mph (136.79 km/h) | 84.37 mph (135.79 km/h) |
| 90 mph (144.84 km/h) | 89.34 mph (143.77 km/h) |
| 95 mph (152.89 km/h) | 94.3 mph (151.76 km/h) |
| 100 mph (160.93 km/h) | 99.26 mph (159.75 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
