Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/50-14 | 235/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.65 (600.6) | 25.33 (643.3) | 1.68 (42.7) 7.1% |
| Width inches (mm) | 9.65 (245) | 9.25 (235) | -0.39 (-10) -4.1% |
| Circum. inches (mm) | 74.29 (1886.84) | 79.57 (2020.99) | 5.28 (134.15) 7.1% |
| Sidewall Height inches (mm) | 4.82 (122.5) | 4.16 (105.75) | -0.66 (-16.75) -13.7% |
| Revolutions per mile (km) | 852.93 (529.99) | 796.32 (494.81) | -56.61 (-35.18) -6.6% |
235/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.42 mph (34.48 km/h) |
| 25 mph (40.23 km/h) | 26.78 mph (43.09 km/h) |
| 30 mph (48.28 km/h) | 32.13 mph (51.71 km/h) |
| 35 mph (56.33 km/h) | 37.49 mph (60.33 km/h) |
| 40 mph (64.37 km/h) | 42.84 mph (68.95 km/h) |
| 45 mph (72.42 km/h) | 48.2 mph (77.57 km/h) |
| 50 mph (80.47 km/h) | 53.55 mph (86.19 km/h) |
| 55 mph (88.51 km/h) | 58.91 mph (94.81 km/h) |
| 60 mph (96.56 km/h) | 64.27 mph (103.43 km/h) |
| 65 mph (104.61 km/h) | 69.62 mph (112.04 km/h) |
| 70 mph (112.65 km/h) | 74.98 mph (120.66 km/h) |
| 75 mph (120.7 km/h) | 80.33 mph (129.28 km/h) |
| 80 mph (128.75 km/h) | 85.69 mph (137.9 km/h) |
| 85 mph (136.79 km/h) | 91.04 mph (146.52 km/h) |
| 90 mph (144.84 km/h) | 96.4 mph (155.14 km/h) |
| 95 mph (152.89 km/h) | 101.75 mph (163.76 km/h) |
| 100 mph (160.93 km/h) | 107.11 mph (172.38 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
