Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 200/55-18 | 270/55-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.66 (677.2) | 29.69 (754.2) | 3.03 (77) 11.4% |
| Width inches (mm) | 7.87 (200) | 10.63 (270) | 2.76 (70) 35% |
| Circum. inches (mm) | 83.76 (2127.49) | 93.28 (2369.39) | 9.52 (241.9) 11.4% |
| Sidewall Height inches (mm) | 4.33 (110) | 5.85 (148.5) | 1.52 (38.5) 35% |
| Revolutions per mile (km) | 756.45 (470.04) | 679.22 (422.05) | -77.23 (-47.99) -10.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.27 mph (35.85 km/h) |
| 25 mph (40.23 km/h) | 27.84 mph (44.81 km/h) |
| 30 mph (48.28 km/h) | 33.41 mph (53.77 km/h) |
| 35 mph (56.33 km/h) | 38.98 mph (62.73 km/h) |
| 40 mph (64.37 km/h) | 44.55 mph (71.69 km/h) |
| 45 mph (72.42 km/h) | 50.12 mph (80.66 km/h) |
| 50 mph (80.47 km/h) | 55.69 mph (89.62 km/h) |
| 55 mph (88.51 km/h) | 61.25 mph (98.58 km/h) |
| 60 mph (96.56 km/h) | 66.82 mph (107.54 km/h) |
| 65 mph (104.61 km/h) | 72.39 mph (116.5 km/h) |
| 70 mph (112.65 km/h) | 77.96 mph (125.46 km/h) |
| 75 mph (120.7 km/h) | 83.53 mph (134.43 km/h) |
| 80 mph (128.75 km/h) | 89.1 mph (143.39 km/h) |
| 85 mph (136.79 km/h) | 94.66 mph (152.35 km/h) |
| 90 mph (144.84 km/h) | 100.23 mph (161.31 km/h) |
| 95 mph (152.89 km/h) | 105.8 mph (170.27 km/h) |
| 100 mph (160.93 km/h) | 111.37 mph (179.23 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1728 | 2008 | 2162 | 2258 | 2361 | 2435 | 2516 | 2611 | 2744 | 2876 | 3023 | 3141 | 3354 | 3589 | 3773 | 3891 | 3957 | 4200 | 4538 | 5274 |
Better Fuel Economy Factory Ratios Increased Power
