Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/80-17 | 215/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.87 (631.8) | 25.46 (646.8) | 0.59 (15) 2.4% |
| Width inches (mm) | 4.92 (125) | 8.46 (215) | 3.54 (90) 72% |
| Circum. inches (mm) | 78.14 (1984.86) | 80 (2031.98) | 1.86 (47.12) 2.4% |
| Sidewall Height inches (mm) | 3.94 (100) | 4.23 (107.5) | 0.3 (7.5) 7.5% |
| Revolutions per mile (km) | 810.81 (503.81) | 792.01 (492.13) | -18.8 (-11.68) -2.3% |
215/50-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.47 mph (32.95 km/h) |
| 25 mph (40.23 km/h) | 25.59 mph (41.19 km/h) |
| 30 mph (48.28 km/h) | 30.71 mph (49.43 km/h) |
| 35 mph (56.33 km/h) | 35.83 mph (57.66 km/h) |
| 40 mph (64.37 km/h) | 40.95 mph (65.9 km/h) |
| 45 mph (72.42 km/h) | 46.07 mph (74.14 km/h) |
| 50 mph (80.47 km/h) | 51.19 mph (82.38 km/h) |
| 55 mph (88.51 km/h) | 56.31 mph (90.62 km/h) |
| 60 mph (96.56 km/h) | 61.42 mph (98.85 km/h) |
| 65 mph (104.61 km/h) | 66.54 mph (107.09 km/h) |
| 70 mph (112.65 km/h) | 71.66 mph (115.33 km/h) |
| 75 mph (120.7 km/h) | 76.78 mph (123.57 km/h) |
| 80 mph (128.75 km/h) | 81.9 mph (131.8 km/h) |
| 85 mph (136.79 km/h) | 87.02 mph (140.04 km/h) |
| 90 mph (144.84 km/h) | 92.14 mph (148.28 km/h) |
| 95 mph (152.89 km/h) | 97.26 mph (156.52 km/h) |
| 100 mph (160.93 km/h) | 102.37 mph (164.76 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2016 | 2341 | 2522 | 2633 | 2753 | 2839 | 2933 | 3045 | 3199 | 3353 | 3525 | 3662 | 3911 | 4185 | 4400 | 4537 | 4614 | 4897 | 5292 | 6149 |
Better Fuel Economy Factory Ratios Increased Power
