Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/75-17 | 235/70-17.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.7 (754.3) | 30.45 (773.5) | 0.76 (19.2) 2.5% |
| Width inches (mm) | 8.46 (215) | 9.25 (235) | 0.79 (20) 9.3% |
| Circum. inches (mm) | 93.3 (2369.7) | 95.67 (2430.02) | 2.37 (60.32) 2.5% |
| Sidewall Height inches (mm) | 6.35 (161.25) | 6.48 (164.5) | 0.13 (3.25) 2% |
| Revolutions per mile (km) | 679.13 (421.99) | 662.28 (411.52) | -16.86 (-10.47) -2.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.51 mph (33.01 km/h) |
| 25 mph (40.23 km/h) | 25.64 mph (41.26 km/h) |
| 30 mph (48.28 km/h) | 30.76 mph (49.51 km/h) |
| 35 mph (56.33 km/h) | 35.89 mph (57.76 km/h) |
| 40 mph (64.37 km/h) | 41.02 mph (66.01 km/h) |
| 45 mph (72.42 km/h) | 46.15 mph (74.26 km/h) |
| 50 mph (80.47 km/h) | 51.27 mph (82.52 km/h) |
| 55 mph (88.51 km/h) | 56.4 mph (90.77 km/h) |
| 60 mph (96.56 km/h) | 61.53 mph (99.02 km/h) |
| 65 mph (104.61 km/h) | 66.65 mph (107.27 km/h) |
| 70 mph (112.65 km/h) | 71.78 mph (115.52 km/h) |
| 75 mph (120.7 km/h) | 76.91 mph (123.77 km/h) |
| 80 mph (128.75 km/h) | 82.04 mph (132.02 km/h) |
| 85 mph (136.79 km/h) | 87.16 mph (140.28 km/h) |
| 90 mph (144.84 km/h) | 92.29 mph (148.53 km/h) |
| 95 mph (152.89 km/h) | 97.42 mph (156.78 km/h) |
| 100 mph (160.93 km/h) | 102.55 mph (165.03 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1685 | 1958 | 2108 | 2202 | 2302 | 2374 | 2453 | 2546 | 2675 | 2804 | 2948 | 3062 | 3270 | 3500 | 3679 | 3794 | 3858 | 4095 | 4425 | 5142 |
Better Fuel Economy Factory Ratios Increased Power
