Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/45-15 | 235/45-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.97 (583.5) | 23.33 (592.5) | 0.35 (9) 1.5% |
| Width inches (mm) | 8.86 (225) | 9.25 (235) | 0.39 (10) 4.4% |
| Circum. inches (mm) | 72.17 (1833.12) | 73.28 (1861.39) | 1.11 (28.27) 1.5% |
| Sidewall Height inches (mm) | 3.99 (101.25) | 4.16 (105.75) | 0.18 (4.5) 4.4% |
| Revolutions per mile (km) | 877.93 (545.52) | 864.59 (537.23) | -13.34 (-8.29) -1.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.31 mph (32.68 km/h) |
| 25 mph (40.23 km/h) | 25.39 mph (40.85 km/h) |
| 30 mph (48.28 km/h) | 30.46 mph (49.03 km/h) |
| 35 mph (56.33 km/h) | 35.54 mph (57.2 km/h) |
| 40 mph (64.37 km/h) | 40.62 mph (65.37 km/h) |
| 45 mph (72.42 km/h) | 45.69 mph (73.54 km/h) |
| 50 mph (80.47 km/h) | 50.77 mph (81.71 km/h) |
| 55 mph (88.51 km/h) | 55.85 mph (89.88 km/h) |
| 60 mph (96.56 km/h) | 60.93 mph (98.05 km/h) |
| 65 mph (104.61 km/h) | 66 mph (106.22 km/h) |
| 70 mph (112.65 km/h) | 71.08 mph (114.39 km/h) |
| 75 mph (120.7 km/h) | 76.16 mph (122.56 km/h) |
| 80 mph (128.75 km/h) | 81.23 mph (130.73 km/h) |
| 85 mph (136.79 km/h) | 86.31 mph (138.9 km/h) |
| 90 mph (144.84 km/h) | 91.39 mph (147.08 km/h) |
| 95 mph (152.89 km/h) | 96.47 mph (155.25 km/h) |
| 100 mph (160.93 km/h) | 101.54 mph (163.42 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2200 | 2556 | 2753 | 2874 | 3005 | 3099 | 3202 | 3324 | 3492 | 3661 | 3848 | 3998 | 4269 | 4569 | 4803 | 4953 | 5037 | 5346 | 5777 | 6713 |
Better Fuel Economy Factory Ratios Increased Power
