Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/82-15 | 215/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.01 (635.2) | 25.46 (646.8) | 0.46 (11.6) 1.8% |
| Width inches (mm) | 6.1 (155) | 8.46 (215) | 2.36 (60) 38.7% |
| Circum. inches (mm) | 78.56 (1995.54) | 80 (2031.98) | 1.43 (36.44) 1.8% |
| Sidewall Height inches (mm) | 5 (127.1) | 4.23 (107.5) | -0.77 (-19.6) -15.4% |
| Revolutions per mile (km) | 806.47 (501.12) | 792.01 (492.13) | -14.46 (-8.99) -1.8% |
215/50-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.37 mph (32.77 km/h) |
| 25 mph (40.23 km/h) | 25.46 mph (40.97 km/h) |
| 30 mph (48.28 km/h) | 30.55 mph (49.16 km/h) |
| 35 mph (56.33 km/h) | 35.64 mph (57.36 km/h) |
| 40 mph (64.37 km/h) | 40.73 mph (65.55 km/h) |
| 45 mph (72.42 km/h) | 45.82 mph (73.74 km/h) |
| 50 mph (80.47 km/h) | 50.91 mph (81.94 km/h) |
| 55 mph (88.51 km/h) | 56 mph (90.13 km/h) |
| 60 mph (96.56 km/h) | 61.1 mph (98.32 km/h) |
| 65 mph (104.61 km/h) | 66.19 mph (106.52 km/h) |
| 70 mph (112.65 km/h) | 71.28 mph (114.71 km/h) |
| 75 mph (120.7 km/h) | 76.37 mph (122.91 km/h) |
| 80 mph (128.75 km/h) | 81.46 mph (131.1 km/h) |
| 85 mph (136.79 km/h) | 86.55 mph (139.29 km/h) |
| 90 mph (144.84 km/h) | 91.64 mph (147.49 km/h) |
| 95 mph (152.89 km/h) | 96.73 mph (155.68 km/h) |
| 100 mph (160.93 km/h) | 101.83 mph (163.87 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
