Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/65-18 | 355/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.52 (749.7) | 34.77 (883.2) | 5.26 (133.5) 17.8% |
| Width inches (mm) | 8.86 (225) | 13.98 (355) | 5.12 (130) 57.8% |
| Circum. inches (mm) | 92.73 (2355.25) | 109.24 (2774.65) | 16.51 (419.4) 17.8% |
| Sidewall Height inches (mm) | 5.76 (146.25) | 8.39 (213) | 2.63 (66.75) 45.6% |
| Revolutions per mile (km) | 683.3 (424.58) | 580.02 (360.4) | -103.28 (-64.18) -15.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.56 mph (37.92 km/h) |
| 25 mph (40.23 km/h) | 29.45 mph (47.4 km/h) |
| 30 mph (48.28 km/h) | 35.34 mph (56.88 km/h) |
| 35 mph (56.33 km/h) | 41.23 mph (66.36 km/h) |
| 40 mph (64.37 km/h) | 47.12 mph (75.84 km/h) |
| 45 mph (72.42 km/h) | 53.01 mph (85.32 km/h) |
| 50 mph (80.47 km/h) | 58.9 mph (94.8 km/h) |
| 55 mph (88.51 km/h) | 64.79 mph (104.28 km/h) |
| 60 mph (96.56 km/h) | 70.68 mph (113.76 km/h) |
| 65 mph (104.61 km/h) | 76.57 mph (123.24 km/h) |
| 70 mph (112.65 km/h) | 82.46 mph (132.71 km/h) |
| 75 mph (120.7 km/h) | 88.36 mph (142.19 km/h) |
| 80 mph (128.75 km/h) | 94.25 mph (151.67 km/h) |
| 85 mph (136.79 km/h) | 100.14 mph (161.15 km/h) |
| 90 mph (144.84 km/h) | 106.03 mph (170.63 km/h) |
| 95 mph (152.89 km/h) | 111.92 mph (180.11 km/h) |
| 100 mph (160.93 km/h) | 117.81 mph (189.59 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1476 | 1715 | 1847 | 1928 | 2016 | 2079 | 2148 | 2230 | 2343 | 2456 | 2581 | 2682 | 2864 | 3065 | 3222 | 3323 | 3379 | 3586 | 3875 | 4503 |
Better Fuel Economy Factory Ratios Increased Power
