Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/45-17 | 215/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.33 (643.3) | 24.62 (625.3) | -0.71 (-18) -2.8% |
| Width inches (mm) | 9.25 (235) | 8.46 (215) | -0.79 (-20) -8.5% |
| Circum. inches (mm) | 79.57 (2020.99) | 77.34 (1964.44) | -2.23 (-56.55) -2.8% |
| Sidewall Height inches (mm) | 4.16 (105.75) | 3.81 (96.75) | -0.35 (-9) -8.5% |
| Revolutions per mile (km) | 796.32 (494.81) | 819.24 (509.05) | 22.92 (14.24) 2.9% |
215/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.44 mph (31.29 km/h) |
| 25 mph (40.23 km/h) | 24.3 mph (39.11 km/h) |
| 30 mph (48.28 km/h) | 29.16 mph (46.93 km/h) |
| 35 mph (56.33 km/h) | 34.02 mph (54.75 km/h) |
| 40 mph (64.37 km/h) | 38.88 mph (62.57 km/h) |
| 45 mph (72.42 km/h) | 43.74 mph (70.39 km/h) |
| 50 mph (80.47 km/h) | 48.6 mph (78.22 km/h) |
| 55 mph (88.51 km/h) | 53.46 mph (86.04 km/h) |
| 60 mph (96.56 km/h) | 58.32 mph (93.86 km/h) |
| 65 mph (104.61 km/h) | 63.18 mph (101.68 km/h) |
| 70 mph (112.65 km/h) | 68.04 mph (109.5 km/h) |
| 75 mph (120.7 km/h) | 72.9 mph (117.32 km/h) |
| 80 mph (128.75 km/h) | 77.76 mph (125.15 km/h) |
| 85 mph (136.79 km/h) | 82.62 mph (132.97 km/h) |
| 90 mph (144.84 km/h) | 87.48 mph (140.79 km/h) |
| 95 mph (152.89 km/h) | 92.34 mph (148.61 km/h) |
| 100 mph (160.93 km/h) | 97.2 mph (156.43 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
