Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/60-18 | 33/10.5-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.69 (703.2) | 32.93 (836.34) | 5.24 (133.14) 18.9% |
| Width inches (mm) | 8.07 (205) | 10.51 (267) | 2.44 (62) 30.2% |
| Circum. inches (mm) | 86.98 (2209.17) | 103.44 (2627.44) | 16.47 (418.27) 18.9% |
| Sidewall Height inches (mm) | 4.84 (123) | 7.46 (189.57) | 2.62 (66.57) 54.1% |
| Revolutions per mile (km) | 728.48 (452.66) | 612.51 (380.6) | -115.97 (-72.06) -15.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.79 mph (38.28 km/h) |
| 25 mph (40.23 km/h) | 29.73 mph (47.85 km/h) |
| 30 mph (48.28 km/h) | 35.68 mph (57.42 km/h) |
| 35 mph (56.33 km/h) | 41.63 mph (66.99 km/h) |
| 40 mph (64.37 km/h) | 47.57 mph (76.56 km/h) |
| 45 mph (72.42 km/h) | 53.52 mph (86.13 km/h) |
| 50 mph (80.47 km/h) | 59.47 mph (95.7 km/h) |
| 55 mph (88.51 km/h) | 65.41 mph (105.27 km/h) |
| 60 mph (96.56 km/h) | 71.36 mph (114.84 km/h) |
| 65 mph (104.61 km/h) | 77.31 mph (124.41 km/h) |
| 70 mph (112.65 km/h) | 83.25 mph (133.98 km/h) |
| 75 mph (120.7 km/h) | 89.2 mph (143.55 km/h) |
| 80 mph (128.75 km/h) | 95.15 mph (153.12 km/h) |
| 85 mph (136.79 km/h) | 101.09 mph (162.69 km/h) |
| 90 mph (144.84 km/h) | 107.04 mph (172.26 km/h) |
| 95 mph (152.89 km/h) | 112.99 mph (181.83 km/h) |
| 100 mph (160.93 km/h) | 118.93 mph (191.41 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1559 | 1811 | 1950 | 2036 | 2129 | 2195 | 2268 | 2355 | 2474 | 2593 | 2726 | 2832 | 3025 | 3237 | 3403 | 3509 | 3569 | 3787 | 4092 | 4756 |
Better Fuel Economy Factory Ratios Increased Power
