Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/65-20 | 215/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.49 (774.5) | 24.62 (625.3) | -5.87 (-149.2) -19.3% |
| Width inches (mm) | 8.07 (205) | 8.46 (215) | 0.39 (10) 4.9% |
| Circum. inches (mm) | 95.79 (2433.16) | 77.34 (1964.44) | -18.45 (-468.73) -19.3% |
| Sidewall Height inches (mm) | 5.25 (133.25) | 3.81 (96.75) | -1.44 (-36.5) -27.4% |
| Revolutions per mile (km) | 661.42 (410.99) | 819.24 (509.05) | 157.82 (98.06) 23.9% |
215/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.15 mph (25.99 km/h) |
| 25 mph (40.23 km/h) | 20.18 mph (32.48 km/h) |
| 30 mph (48.28 km/h) | 24.22 mph (38.98 km/h) |
| 35 mph (56.33 km/h) | 28.26 mph (45.48 km/h) |
| 40 mph (64.37 km/h) | 32.29 mph (51.97 km/h) |
| 45 mph (72.42 km/h) | 36.33 mph (58.47 km/h) |
| 50 mph (80.47 km/h) | 40.37 mph (64.97 km/h) |
| 55 mph (88.51 km/h) | 44.4 mph (71.46 km/h) |
| 60 mph (96.56 km/h) | 48.44 mph (77.96 km/h) |
| 65 mph (104.61 km/h) | 52.48 mph (84.46 km/h) |
| 70 mph (112.65 km/h) | 56.52 mph (90.95 km/h) |
| 75 mph (120.7 km/h) | 60.55 mph (97.45 km/h) |
| 80 mph (128.75 km/h) | 64.59 mph (103.95 km/h) |
| 85 mph (136.79 km/h) | 68.63 mph (110.44 km/h) |
| 90 mph (144.84 km/h) | 72.66 mph (116.94 km/h) |
| 95 mph (152.89 km/h) | 76.7 mph (123.44 km/h) |
| 100 mph (160.93 km/h) | 80.74 mph (129.93 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2085 | 2422 | 2608 | 2724 | 2848 | 2936 | 3034 | 3149 | 3309 | 3469 | 3646 | 3788 | 4045 | 4329 | 4551 | 4693 | 4773 | 5066 | 5474 | 6361 |
Better Fuel Economy Factory Ratios Increased Power
