Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/50-15 | 255/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.86 (606) | 25.04 (636) | 1.18 (30) 5% |
| Width inches (mm) | 8.86 (225) | 10.04 (255) | 1.18 (30) 13.3% |
| Circum. inches (mm) | 74.95 (1903.81) | 78.66 (1998.05) | 3.71 (94.25) 5% |
| Sidewall Height inches (mm) | 4.43 (112.5) | 5.02 (127.5) | 0.59 (15) 13.3% |
| Revolutions per mile (km) | 845.33 (525.26) | 805.46 (500.49) | -39.87 (-24.78) -4.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.99 mph (33.78 km/h) |
| 25 mph (40.23 km/h) | 26.24 mph (42.23 km/h) |
| 30 mph (48.28 km/h) | 31.49 mph (50.67 km/h) |
| 35 mph (56.33 km/h) | 36.73 mph (59.12 km/h) |
| 40 mph (64.37 km/h) | 41.98 mph (67.56 km/h) |
| 45 mph (72.42 km/h) | 47.23 mph (76.01 km/h) |
| 50 mph (80.47 km/h) | 52.48 mph (84.45 km/h) |
| 55 mph (88.51 km/h) | 57.72 mph (92.9 km/h) |
| 60 mph (96.56 km/h) | 62.97 mph (101.34 km/h) |
| 65 mph (104.61 km/h) | 68.22 mph (109.79 km/h) |
| 70 mph (112.65 km/h) | 73.47 mph (118.23 km/h) |
| 75 mph (120.7 km/h) | 78.71 mph (126.68 km/h) |
| 80 mph (128.75 km/h) | 83.96 mph (135.12 km/h) |
| 85 mph (136.79 km/h) | 89.21 mph (143.57 km/h) |
| 90 mph (144.84 km/h) | 94.46 mph (152.01 km/h) |
| 95 mph (152.89 km/h) | 99.7 mph (160.46 km/h) |
| 100 mph (160.93 km/h) | 104.95 mph (168.9 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2050 | 2381 | 2564 | 2678 | 2800 | 2887 | 2983 | 3096 | 3253 | 3410 | 3585 | 3724 | 3977 | 4256 | 4475 | 4614 | 4693 | 4980 | 5382 | 6254 |
Better Fuel Economy Factory Ratios Increased Power
