Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/40-18 | 265/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.72 (653.2) | 25.3 (642.7) | -0.41 (-10.5) -1.6% |
| Width inches (mm) | 9.65 (245) | 10.43 (265) | 0.79 (20) 8.2% |
| Circum. inches (mm) | 80.79 (2052.09) | 79.49 (2019.1) | -1.3 (-32.99) -1.6% |
| Sidewall Height inches (mm) | 3.86 (98) | 3.65 (92.75) | -0.21 (-5.25) -5.4% |
| Revolutions per mile (km) | 784.25 (487.31) | 797.06 (495.27) | 12.81 (7.96) 1.6% |
265/35-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.68 mph (31.67 km/h) |
| 25 mph (40.23 km/h) | 24.6 mph (39.59 km/h) |
| 30 mph (48.28 km/h) | 29.52 mph (47.5 km/h) |
| 35 mph (56.33 km/h) | 34.44 mph (55.42 km/h) |
| 40 mph (64.37 km/h) | 39.36 mph (63.34 km/h) |
| 45 mph (72.42 km/h) | 44.28 mph (71.26 km/h) |
| 50 mph (80.47 km/h) | 49.2 mph (79.17 km/h) |
| 55 mph (88.51 km/h) | 54.12 mph (87.09 km/h) |
| 60 mph (96.56 km/h) | 59.04 mph (95.01 km/h) |
| 65 mph (104.61 km/h) | 63.96 mph (102.93 km/h) |
| 70 mph (112.65 km/h) | 68.87 mph (110.84 km/h) |
| 75 mph (120.7 km/h) | 73.79 mph (118.76 km/h) |
| 80 mph (128.75 km/h) | 78.71 mph (126.68 km/h) |
| 85 mph (136.79 km/h) | 83.63 mph (134.6 km/h) |
| 90 mph (144.84 km/h) | 88.55 mph (142.51 km/h) |
| 95 mph (152.89 km/h) | 93.47 mph (150.43 km/h) |
| 100 mph (160.93 km/h) | 98.39 mph (158.35 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2028 | 2356 | 2538 | 2650 | 2771 | 2857 | 2952 | 3064 | 3219 | 3375 | 3547 | 3686 | 3936 | 4212 | 4428 | 4566 | 4644 | 4928 | 5326 | 6189 |
Better Fuel Economy Factory Ratios Increased Power
