Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/55-17 | 235/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.31 (668.3) | 25.33 (643.3) | -0.98 (-25) -3.7% |
| Width inches (mm) | 8.46 (215) | 9.25 (235) | 0.79 (20) 9.3% |
| Circum. inches (mm) | 82.66 (2099.53) | 79.57 (2020.99) | -3.09 (-78.54) -3.7% |
| Sidewall Height inches (mm) | 4.66 (118.25) | 4.16 (105.75) | -0.49 (-12.5) -10.6% |
| Revolutions per mile (km) | 766.53 (476.3) | 796.32 (494.81) | 29.79 (18.51) 3.9% |
235/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.25 mph (30.98 km/h) |
| 25 mph (40.23 km/h) | 24.06 mph (38.73 km/h) |
| 30 mph (48.28 km/h) | 28.88 mph (46.47 km/h) |
| 35 mph (56.33 km/h) | 33.69 mph (54.22 km/h) |
| 40 mph (64.37 km/h) | 38.5 mph (61.97 km/h) |
| 45 mph (72.42 km/h) | 43.32 mph (69.71 km/h) |
| 50 mph (80.47 km/h) | 48.13 mph (77.46 km/h) |
| 55 mph (88.51 km/h) | 52.94 mph (85.2 km/h) |
| 60 mph (96.56 km/h) | 57.76 mph (92.95 km/h) |
| 65 mph (104.61 km/h) | 62.57 mph (100.69 km/h) |
| 70 mph (112.65 km/h) | 67.38 mph (108.44 km/h) |
| 75 mph (120.7 km/h) | 72.19 mph (116.19 km/h) |
| 80 mph (128.75 km/h) | 77.01 mph (123.93 km/h) |
| 85 mph (136.79 km/h) | 81.82 mph (131.68 km/h) |
| 90 mph (144.84 km/h) | 86.63 mph (139.42 km/h) |
| 95 mph (152.89 km/h) | 91.45 mph (147.17 km/h) |
| 100 mph (160.93 km/h) | 96.26 mph (154.91 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2354 | 2535 | 2647 | 2768 | 2854 | 2949 | 3061 | 3216 | 3372 | 3544 | 3682 | 3932 | 4208 | 4424 | 4562 | 4639 | 4924 | 5321 | 6183 |
Better Fuel Economy Factory Ratios Increased Power
