Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/45-15 | 235/25-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.04 (610.5) | 19.63 (498.5) | -4.41 (-112) -18.3% |
| Width inches (mm) | 10.04 (255) | 9.25 (235) | -0.79 (-20) -7.8% |
| Circum. inches (mm) | 75.51 (1917.94) | 61.66 (1566.08) | -13.85 (-351.86) -18.3% |
| Sidewall Height inches (mm) | 4.52 (114.75) | 2.31 (58.75) | -2.2 (-56) -48.8% |
| Revolutions per mile (km) | 839.1 (521.39) | 1027.62 (638.53) | 188.52 (117.14) 22.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.33 mph (26.28 km/h) |
| 25 mph (40.23 km/h) | 20.41 mph (32.85 km/h) |
| 30 mph (48.28 km/h) | 24.5 mph (39.42 km/h) |
| 35 mph (56.33 km/h) | 28.58 mph (45.99 km/h) |
| 40 mph (64.37 km/h) | 32.66 mph (52.56 km/h) |
| 45 mph (72.42 km/h) | 36.74 mph (59.13 km/h) |
| 50 mph (80.47 km/h) | 40.83 mph (65.71 km/h) |
| 55 mph (88.51 km/h) | 44.91 mph (72.28 km/h) |
| 60 mph (96.56 km/h) | 48.99 mph (78.85 km/h) |
| 65 mph (104.61 km/h) | 53.08 mph (85.42 km/h) |
| 70 mph (112.65 km/h) | 57.16 mph (91.99 km/h) |
| 75 mph (120.7 km/h) | 61.24 mph (98.56 km/h) |
| 80 mph (128.75 km/h) | 65.32 mph (105.13 km/h) |
| 85 mph (136.79 km/h) | 69.41 mph (111.7 km/h) |
| 90 mph (144.84 km/h) | 73.49 mph (118.27 km/h) |
| 95 mph (152.89 km/h) | 77.57 mph (124.84 km/h) |
| 100 mph (160.93 km/h) | 81.65 mph (131.41 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
