Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/70-17 | 245/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.95 (760.8) | 29.54 (750.3) | -0.41 (-10.5) -1.4% |
| Width inches (mm) | 9.25 (235) | 9.65 (245) | 0.39 (10) 4.3% |
| Circum. inches (mm) | 94.1 (2390.12) | 92.8 (2357.14) | -1.3 (-32.99) -1.4% |
| Sidewall Height inches (mm) | 6.48 (164.5) | 6.27 (159.25) | -0.21 (-5.25) -3.2% |
| Revolutions per mile (km) | 673.33 (418.39) | 682.75 (424.24) | 9.42 (5.86) 1.4% |
245/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.72 mph (31.74 km/h) |
| 25 mph (40.23 km/h) | 24.65 mph (39.68 km/h) |
| 30 mph (48.28 km/h) | 29.59 mph (47.61 km/h) |
| 35 mph (56.33 km/h) | 34.52 mph (55.55 km/h) |
| 40 mph (64.37 km/h) | 39.45 mph (63.49 km/h) |
| 45 mph (72.42 km/h) | 44.38 mph (71.42 km/h) |
| 50 mph (80.47 km/h) | 49.31 mph (79.36 km/h) |
| 55 mph (88.51 km/h) | 54.24 mph (87.29 km/h) |
| 60 mph (96.56 km/h) | 59.17 mph (95.23 km/h) |
| 65 mph (104.61 km/h) | 64.1 mph (103.16 km/h) |
| 70 mph (112.65 km/h) | 69.03 mph (111.1 km/h) |
| 75 mph (120.7 km/h) | 73.96 mph (119.04 km/h) |
| 80 mph (128.75 km/h) | 78.9 mph (126.97 km/h) |
| 85 mph (136.79 km/h) | 83.83 mph (134.91 km/h) |
| 90 mph (144.84 km/h) | 88.76 mph (142.84 km/h) |
| 95 mph (152.89 km/h) | 93.69 mph (150.78 km/h) |
| 100 mph (160.93 km/h) | 98.62 mph (158.71 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1737 | 2018 | 2174 | 2270 | 2373 | 2447 | 2529 | 2625 | 2758 | 2891 | 3039 | 3157 | 3371 | 3608 | 3793 | 3911 | 3978 | 4222 | 4562 | 5301 |
Better Fuel Economy Factory Ratios Increased Power
