Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/35-18 | 165/40-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.65 (600.7) | 23.2 (589.2) | -0.45 (-11.5) -1.9% |
| Width inches (mm) | 8.07 (205) | 6.5 (165) | -1.57 (-40) -19.5% |
| Circum. inches (mm) | 74.3 (1887.15) | 72.88 (1851.03) | -1.42 (-36.13) -1.9% |
| Sidewall Height inches (mm) | 2.82 (71.75) | 2.6 (66) | -0.23 (-5.75) -8% |
| Revolutions per mile (km) | 852.79 (529.9) | 869.43 (540.24) | 16.64 (10.34) 2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.62 mph (31.57 km/h) |
| 25 mph (40.23 km/h) | 24.52 mph (39.46 km/h) |
| 30 mph (48.28 km/h) | 29.43 mph (47.36 km/h) |
| 35 mph (56.33 km/h) | 34.33 mph (55.25 km/h) |
| 40 mph (64.37 km/h) | 39.23 mph (63.14 km/h) |
| 45 mph (72.42 km/h) | 44.14 mph (71.03 km/h) |
| 50 mph (80.47 km/h) | 49.04 mph (78.93 km/h) |
| 55 mph (88.51 km/h) | 53.95 mph (86.82 km/h) |
| 60 mph (96.56 km/h) | 58.85 mph (94.71 km/h) |
| 65 mph (104.61 km/h) | 63.76 mph (102.6 km/h) |
| 70 mph (112.65 km/h) | 68.66 mph (110.5 km/h) |
| 75 mph (120.7 km/h) | 73.56 mph (118.39 km/h) |
| 80 mph (128.75 km/h) | 78.47 mph (126.28 km/h) |
| 85 mph (136.79 km/h) | 83.37 mph (134.18 km/h) |
| 90 mph (144.84 km/h) | 88.28 mph (142.07 km/h) |
| 95 mph (152.89 km/h) | 93.18 mph (149.96 km/h) |
| 100 mph (160.93 km/h) | 98.09 mph (157.85 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2213 | 2570 | 2768 | 2890 | 3022 | 3116 | 3220 | 3342 | 3512 | 3681 | 3870 | 4020 | 4293 | 4595 | 4830 | 4981 | 5065 | 5376 | 5809 | 6751 |
Better Fuel Economy Factory Ratios Increased Power
