Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/40-16 | 235/45-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.09 (586.4) | 24.33 (617.9) | 1.24 (31.5) 5.4% |
| Width inches (mm) | 8.86 (225) | 9.25 (235) | 0.39 (10) 4.4% |
| Circum. inches (mm) | 72.53 (1842.23) | 76.42 (1941.19) | 3.9 (98.96) 5.4% |
| Sidewall Height inches (mm) | 3.54 (90) | 4.16 (105.75) | 0.62 (15.75) 17.5% |
| Revolutions per mile (km) | 873.58 (542.82) | 829.05 (515.15) | -44.53 (-27.67) -5.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.07 mph (33.92 km/h) |
| 25 mph (40.23 km/h) | 26.34 mph (42.39 km/h) |
| 30 mph (48.28 km/h) | 31.61 mph (50.87 km/h) |
| 35 mph (56.33 km/h) | 36.88 mph (59.35 km/h) |
| 40 mph (64.37 km/h) | 42.15 mph (67.83 km/h) |
| 45 mph (72.42 km/h) | 47.42 mph (76.31 km/h) |
| 50 mph (80.47 km/h) | 52.69 mph (84.79 km/h) |
| 55 mph (88.51 km/h) | 57.95 mph (93.27 km/h) |
| 60 mph (96.56 km/h) | 63.22 mph (101.75 km/h) |
| 65 mph (104.61 km/h) | 68.49 mph (110.23 km/h) |
| 70 mph (112.65 km/h) | 73.76 mph (118.71 km/h) |
| 75 mph (120.7 km/h) | 79.03 mph (127.18 km/h) |
| 80 mph (128.75 km/h) | 84.3 mph (135.66 km/h) |
| 85 mph (136.79 km/h) | 89.57 mph (144.14 km/h) |
| 90 mph (144.84 km/h) | 94.83 mph (152.62 km/h) |
| 95 mph (152.89 km/h) | 100.1 mph (161.1 km/h) |
| 100 mph (160.93 km/h) | 105.37 mph (169.58 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2110 | 2451 | 2639 | 2756 | 2882 | 2972 | 3070 | 3187 | 3349 | 3510 | 3690 | 3834 | 4094 | 4381 | 4606 | 4749 | 4830 | 5126 | 5539 | 6437 |
Better Fuel Economy Factory Ratios Increased Power
