Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/50-17 | 235/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.86 (656.8) | 25.33 (643.3) | -0.53 (-13.5) -2.1% |
| Width inches (mm) | 8.86 (225) | 9.25 (235) | 0.39 (10) 4.4% |
| Circum. inches (mm) | 81.24 (2063.4) | 79.57 (2020.99) | -1.67 (-42.41) -2.1% |
| Sidewall Height inches (mm) | 4.43 (112.5) | 4.16 (105.75) | -0.27 (-6.75) -6% |
| Revolutions per mile (km) | 779.95 (484.64) | 796.32 (494.81) | 16.37 (10.17) 2.1% |
235/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.59 mph (31.53 km/h) |
| 25 mph (40.23 km/h) | 24.49 mph (39.41 km/h) |
| 30 mph (48.28 km/h) | 29.38 mph (47.29 km/h) |
| 35 mph (56.33 km/h) | 34.28 mph (55.17 km/h) |
| 40 mph (64.37 km/h) | 39.18 mph (63.05 km/h) |
| 45 mph (72.42 km/h) | 44.08 mph (70.93 km/h) |
| 50 mph (80.47 km/h) | 48.97 mph (78.81 km/h) |
| 55 mph (88.51 km/h) | 53.87 mph (86.69 km/h) |
| 60 mph (96.56 km/h) | 58.77 mph (94.58 km/h) |
| 65 mph (104.61 km/h) | 63.66 mph (102.46 km/h) |
| 70 mph (112.65 km/h) | 68.56 mph (110.34 km/h) |
| 75 mph (120.7 km/h) | 73.46 mph (118.22 km/h) |
| 80 mph (128.75 km/h) | 78.36 mph (126.1 km/h) |
| 85 mph (136.79 km/h) | 83.25 mph (133.98 km/h) |
| 90 mph (144.84 km/h) | 88.15 mph (141.86 km/h) |
| 95 mph (152.89 km/h) | 93.05 mph (149.75 km/h) |
| 100 mph (160.93 km/h) | 97.94 mph (157.63 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
