Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/40-19 | 265/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.4 (670.6) | 25.3 (642.7) | -1.1 (-27.9) -4.2% |
| Width inches (mm) | 9.25 (235) | 10.43 (265) | 1.18 (30) 12.8% |
| Circum. inches (mm) | 82.94 (2106.75) | 79.49 (2019.1) | -3.45 (-87.65) -4.2% |
| Sidewall Height inches (mm) | 3.7 (94) | 3.65 (92.75) | -0.05 (-1.25) -1.3% |
| Revolutions per mile (km) | 763.9 (474.66) | 797.06 (495.27) | 33.16 (20.61) 4.3% |
265/35-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.17 mph (30.85 km/h) |
| 25 mph (40.23 km/h) | 23.96 mph (38.56 km/h) |
| 30 mph (48.28 km/h) | 28.75 mph (46.27 km/h) |
| 35 mph (56.33 km/h) | 33.54 mph (53.98 km/h) |
| 40 mph (64.37 km/h) | 38.34 mph (61.7 km/h) |
| 45 mph (72.42 km/h) | 43.13 mph (69.41 km/h) |
| 50 mph (80.47 km/h) | 47.92 mph (77.12 km/h) |
| 55 mph (88.51 km/h) | 52.71 mph (84.83 km/h) |
| 60 mph (96.56 km/h) | 57.5 mph (92.54 km/h) |
| 65 mph (104.61 km/h) | 62.3 mph (100.26 km/h) |
| 70 mph (112.65 km/h) | 67.09 mph (107.97 km/h) |
| 75 mph (120.7 km/h) | 71.88 mph (115.68 km/h) |
| 80 mph (128.75 km/h) | 76.67 mph (123.39 km/h) |
| 85 mph (136.79 km/h) | 81.46 mph (131.1 km/h) |
| 90 mph (144.84 km/h) | 86.26 mph (138.82 km/h) |
| 95 mph (152.89 km/h) | 91.05 mph (146.53 km/h) |
| 100 mph (160.93 km/h) | 95.84 mph (154.24 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
