Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/45-15 | 275/45-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.04 (610.5) | 24.74 (628.5) | 0.71 (18) 2.9% |
| Width inches (mm) | 10.04 (255) | 10.83 (275) | 0.79 (20) 7.8% |
| Circum. inches (mm) | 75.51 (1917.94) | 77.74 (1974.49) | 2.23 (56.55) 2.9% |
| Sidewall Height inches (mm) | 4.52 (114.75) | 4.87 (123.75) | 0.35 (9) 7.8% |
| Revolutions per mile (km) | 839.1 (521.39) | 815.07 (506.46) | -24.03 (-14.93) -2.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.59 mph (33.14 km/h) |
| 25 mph (40.23 km/h) | 25.74 mph (41.42 km/h) |
| 30 mph (48.28 km/h) | 30.88 mph (49.7 km/h) |
| 35 mph (56.33 km/h) | 36.03 mph (57.99 km/h) |
| 40 mph (64.37 km/h) | 41.18 mph (66.27 km/h) |
| 45 mph (72.42 km/h) | 46.33 mph (74.56 km/h) |
| 50 mph (80.47 km/h) | 51.47 mph (82.84 km/h) |
| 55 mph (88.51 km/h) | 56.62 mph (91.12 km/h) |
| 60 mph (96.56 km/h) | 61.77 mph (99.41 km/h) |
| 65 mph (104.61 km/h) | 66.92 mph (107.69 km/h) |
| 70 mph (112.65 km/h) | 72.06 mph (115.98 km/h) |
| 75 mph (120.7 km/h) | 77.21 mph (124.26 km/h) |
| 80 mph (128.75 km/h) | 82.36 mph (132.54 km/h) |
| 85 mph (136.79 km/h) | 87.51 mph (140.83 km/h) |
| 90 mph (144.84 km/h) | 92.65 mph (149.11 km/h) |
| 95 mph (152.89 km/h) | 97.8 mph (157.4 km/h) |
| 100 mph (160.93 km/h) | 102.95 mph (165.68 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2074 | 2410 | 2595 | 2710 | 2833 | 2922 | 3019 | 3133 | 3292 | 3451 | 3628 | 3769 | 4025 | 4307 | 4528 | 4669 | 4749 | 5040 | 5446 | 6328 |
Better Fuel Economy Factory Ratios Increased Power
