Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/70-17.5 | 235/75-17.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31 (787.5) | 31.38 (797) | 0.37 (9.5) 1.2% |
| Width inches (mm) | 9.65 (245) | 9.25 (235) | -0.39 (-10) -4.1% |
| Circum. inches (mm) | 97.4 (2474) | 98.58 (2503.85) | 1.18 (29.85) 1.2% |
| Sidewall Height inches (mm) | 6.75 (171.5) | 6.94 (176.25) | 0.19 (4.75) 2.8% |
| Revolutions per mile (km) | 650.5 (404.2) | 642.75 (399.38) | -7.75 (-4.82) -1.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.24 mph (32.58 km/h) |
| 25 mph (40.23 km/h) | 25.3 mph (40.72 km/h) |
| 30 mph (48.28 km/h) | 30.36 mph (48.86 km/h) |
| 35 mph (56.33 km/h) | 35.42 mph (57.01 km/h) |
| 40 mph (64.37 km/h) | 40.48 mph (65.15 km/h) |
| 45 mph (72.42 km/h) | 45.54 mph (73.29 km/h) |
| 50 mph (80.47 km/h) | 50.6 mph (81.44 km/h) |
| 55 mph (88.51 km/h) | 55.66 mph (89.58 km/h) |
| 60 mph (96.56 km/h) | 60.72 mph (97.73 km/h) |
| 65 mph (104.61 km/h) | 65.78 mph (105.87 km/h) |
| 70 mph (112.65 km/h) | 70.84 mph (114.01 km/h) |
| 75 mph (120.7 km/h) | 75.9 mph (122.16 km/h) |
| 80 mph (128.75 km/h) | 80.97 mph (130.3 km/h) |
| 85 mph (136.79 km/h) | 86.03 mph (138.44 km/h) |
| 90 mph (144.84 km/h) | 91.09 mph (146.59 km/h) |
| 95 mph (152.89 km/h) | 96.15 mph (154.73 km/h) |
| 100 mph (160.93 km/h) | 101.21 mph (162.88 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1636 | 1900 | 2046 | 2137 | 2234 | 2304 | 2380 | 2471 | 2596 | 2721 | 2861 | 2972 | 3174 | 3397 | 3571 | 3682 | 3745 | 3974 | 4295 | 4991 |
Better Fuel Economy Factory Ratios Increased Power
