Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/80-16 | 235/75-17.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.8 (782.4) | 31.38 (797) | 0.57 (14.6) 1.9% |
| Width inches (mm) | 9.25 (235) | 9.25 (235) | 0 (0) 0% |
| Circum. inches (mm) | 96.77 (2457.98) | 98.58 (2503.85) | 1.81 (45.87) 1.9% |
| Sidewall Height inches (mm) | 7.4 (188) | 6.94 (176.25) | -0.46 (-11.75) -6.2% |
| Revolutions per mile (km) | 654.74 (406.84) | 642.75 (399.38) | -11.99 (-7.45) -1.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.37 mph (32.79 km/h) |
| 25 mph (40.23 km/h) | 25.47 mph (40.98 km/h) |
| 30 mph (48.28 km/h) | 30.56 mph (49.18 km/h) |
| 35 mph (56.33 km/h) | 35.65 mph (57.38 km/h) |
| 40 mph (64.37 km/h) | 40.75 mph (65.58 km/h) |
| 45 mph (72.42 km/h) | 45.84 mph (73.77 km/h) |
| 50 mph (80.47 km/h) | 50.93 mph (81.97 km/h) |
| 55 mph (88.51 km/h) | 56.03 mph (90.17 km/h) |
| 60 mph (96.56 km/h) | 61.12 mph (98.36 km/h) |
| 65 mph (104.61 km/h) | 66.21 mph (106.56 km/h) |
| 70 mph (112.65 km/h) | 71.31 mph (114.76 km/h) |
| 75 mph (120.7 km/h) | 76.4 mph (122.95 km/h) |
| 80 mph (128.75 km/h) | 81.49 mph (131.15 km/h) |
| 85 mph (136.79 km/h) | 86.59 mph (139.35 km/h) |
| 90 mph (144.84 km/h) | 91.68 mph (147.54 km/h) |
| 95 mph (152.89 km/h) | 96.77 mph (155.74 km/h) |
| 100 mph (160.93 km/h) | 101.87 mph (163.94 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
