Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/60-18 | 265/55-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.05 (763.2) | 29.48 (748.7) | -0.57 (-14.5) -1.9% |
| Width inches (mm) | 10.04 (255) | 10.43 (265) | 0.39 (10) 3.9% |
| Circum. inches (mm) | 94.4 (2397.66) | 92.6 (2352.11) | -1.79 (-45.55) -1.9% |
| Sidewall Height inches (mm) | 6.02 (153) | 5.74 (145.75) | -0.29 (-7.25) -4.7% |
| Revolutions per mile (km) | 671.21 (417.07) | 684.21 (425.15) | 13 (8.08) 1.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.62 mph (31.58 km/h) |
| 25 mph (40.23 km/h) | 24.53 mph (39.47 km/h) |
| 30 mph (48.28 km/h) | 29.43 mph (47.36 km/h) |
| 35 mph (56.33 km/h) | 34.34 mph (55.26 km/h) |
| 40 mph (64.37 km/h) | 39.24 mph (63.15 km/h) |
| 45 mph (72.42 km/h) | 44.15 mph (71.04 km/h) |
| 50 mph (80.47 km/h) | 49.05 mph (78.94 km/h) |
| 55 mph (88.51 km/h) | 53.96 mph (86.83 km/h) |
| 60 mph (96.56 km/h) | 58.86 mph (94.73 km/h) |
| 65 mph (104.61 km/h) | 63.77 mph (102.62 km/h) |
| 70 mph (112.65 km/h) | 68.67 mph (110.51 km/h) |
| 75 mph (120.7 km/h) | 73.58 mph (118.41 km/h) |
| 80 mph (128.75 km/h) | 78.48 mph (126.3 km/h) |
| 85 mph (136.79 km/h) | 83.39 mph (134.2 km/h) |
| 90 mph (144.84 km/h) | 88.29 mph (142.09 km/h) |
| 95 mph (152.89 km/h) | 93.2 mph (149.98 km/h) |
| 100 mph (160.93 km/h) | 98.1 mph (157.88 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1741 | 2023 | 2178 | 2275 | 2378 | 2452 | 2534 | 2630 | 2764 | 2897 | 3045 | 3164 | 3379 | 3616 | 3801 | 3920 | 3986 | 4231 | 4572 | 5312 |
Better Fuel Economy Factory Ratios Increased Power
