Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/55-16 | 265/55-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.04 (686.9) | 26.48 (672.5) | -0.57 (-14.4) -2.1% |
| Width inches (mm) | 10.04 (255) | 10.43 (265) | 0.39 (10) 3.9% |
| Circum. inches (mm) | 84.96 (2157.96) | 83.18 (2112.72) | -1.78 (-45.24) -2.1% |
| Sidewall Height inches (mm) | 5.52 (140.25) | 5.74 (145.75) | 0.22 (5.5) 3.9% |
| Revolutions per mile (km) | 745.77 (463.4) | 761.74 (473.32) | 15.97 (9.92) 2.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.58 mph (31.51 km/h) |
| 25 mph (40.23 km/h) | 24.48 mph (39.39 km/h) |
| 30 mph (48.28 km/h) | 29.37 mph (47.27 km/h) |
| 35 mph (56.33 km/h) | 34.27 mph (55.15 km/h) |
| 40 mph (64.37 km/h) | 39.16 mph (63.02 km/h) |
| 45 mph (72.42 km/h) | 44.06 mph (70.9 km/h) |
| 50 mph (80.47 km/h) | 48.95 mph (78.78 km/h) |
| 55 mph (88.51 km/h) | 53.85 mph (86.66 km/h) |
| 60 mph (96.56 km/h) | 58.74 mph (94.54 km/h) |
| 65 mph (104.61 km/h) | 63.64 mph (102.41 km/h) |
| 70 mph (112.65 km/h) | 68.53 mph (110.29 km/h) |
| 75 mph (120.7 km/h) | 73.43 mph (118.17 km/h) |
| 80 mph (128.75 km/h) | 78.32 mph (126.05 km/h) |
| 85 mph (136.79 km/h) | 83.22 mph (133.93 km/h) |
| 90 mph (144.84 km/h) | 88.11 mph (141.8 km/h) |
| 95 mph (152.89 km/h) | 93.01 mph (149.68 km/h) |
| 100 mph (160.93 km/h) | 97.9 mph (157.56 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1938 | 2252 | 2425 | 2532 | 2648 | 2730 | 2821 | 2928 | 3077 | 3225 | 3390 | 3522 | 3761 | 4025 | 4232 | 4364 | 4438 | 4710 | 5090 | 5914 |
Better Fuel Economy Factory Ratios Increased Power
