Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/70-17 | 215/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.85 (732.8) | 26.31 (668.3) | -2.54 (-64.5) -8.8% |
| Width inches (mm) | 8.46 (215) | 8.46 (215) | 0 (0) 0% |
| Circum. inches (mm) | 90.64 (2302.16) | 82.66 (2099.53) | -7.98 (-202.63) -8.8% |
| Sidewall Height inches (mm) | 5.93 (150.5) | 4.66 (118.25) | -1.27 (-32.25) -21.4% |
| Revolutions per mile (km) | 699.06 (434.37) | 766.53 (476.3) | 67.47 (41.92) 9.7% |
215/55-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.24 mph (29.35 km/h) |
| 25 mph (40.23 km/h) | 22.8 mph (36.69 km/h) |
| 30 mph (48.28 km/h) | 27.36 mph (44.03 km/h) |
| 35 mph (56.33 km/h) | 31.92 mph (51.37 km/h) |
| 40 mph (64.37 km/h) | 36.48 mph (58.71 km/h) |
| 45 mph (72.42 km/h) | 41.04 mph (66.05 km/h) |
| 50 mph (80.47 km/h) | 45.6 mph (73.38 km/h) |
| 55 mph (88.51 km/h) | 50.16 mph (80.72 km/h) |
| 60 mph (96.56 km/h) | 54.72 mph (88.06 km/h) |
| 65 mph (104.61 km/h) | 59.28 mph (95.4 km/h) |
| 70 mph (112.65 km/h) | 63.84 mph (102.74 km/h) |
| 75 mph (120.7 km/h) | 68.4 mph (110.08 km/h) |
| 80 mph (128.75 km/h) | 72.96 mph (117.42 km/h) |
| 85 mph (136.79 km/h) | 77.52 mph (124.75 km/h) |
| 90 mph (144.84 km/h) | 82.08 mph (132.09 km/h) |
| 95 mph (152.89 km/h) | 86.64 mph (139.43 km/h) |
| 100 mph (160.93 km/h) | 91.2 mph (146.77 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1951 | 2266 | 2440 | 2548 | 2665 | 2748 | 2839 | 2947 | 3096 | 3246 | 3412 | 3544 | 3785 | 4051 | 4258 | 4391 | 4466 | 4740 | 5122 | 5952 |
Better Fuel Economy Factory Ratios Increased Power
