Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/80-17 | 235/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.69 (855.8) | 29.95 (760.8) | -3.74 (-95) -11.1% |
| Width inches (mm) | 10.43 (265) | 9.25 (235) | -1.18 (-30) -11.3% |
| Circum. inches (mm) | 105.85 (2688.57) | 94.1 (2390.12) | -11.75 (-298.45) -11.1% |
| Sidewall Height inches (mm) | 8.35 (212) | 6.48 (164.5) | -1.87 (-47.5) -22.4% |
| Revolutions per mile (km) | 598.59 (371.94) | 673.33 (418.39) | 74.74 (46.44) 12.5% |
235/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.78 mph (28.61 km/h) |
| 25 mph (40.23 km/h) | 22.22 mph (35.77 km/h) |
| 30 mph (48.28 km/h) | 26.67 mph (42.92 km/h) |
| 35 mph (56.33 km/h) | 31.11 mph (50.07 km/h) |
| 40 mph (64.37 km/h) | 35.56 mph (57.23 km/h) |
| 45 mph (72.42 km/h) | 40 mph (64.38 km/h) |
| 50 mph (80.47 km/h) | 44.45 mph (71.53 km/h) |
| 55 mph (88.51 km/h) | 48.89 mph (78.69 km/h) |
| 60 mph (96.56 km/h) | 53.34 mph (85.84 km/h) |
| 65 mph (104.61 km/h) | 57.78 mph (93 km/h) |
| 70 mph (112.65 km/h) | 62.23 mph (100.15 km/h) |
| 75 mph (120.7 km/h) | 66.67 mph (107.3 km/h) |
| 80 mph (128.75 km/h) | 71.12 mph (114.46 km/h) |
| 85 mph (136.79 km/h) | 75.56 mph (121.61 km/h) |
| 90 mph (144.84 km/h) | 80.01 mph (128.76 km/h) |
| 95 mph (152.89 km/h) | 84.45 mph (135.92 km/h) |
| 100 mph (160.93 km/h) | 88.9 mph (143.07 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1713 | 1991 | 2144 | 2238 | 2341 | 2413 | 2494 | 2588 | 2720 | 2851 | 2997 | 3113 | 3325 | 3558 | 3741 | 3857 | 3923 | 4163 | 4499 | 5228 |
Better Fuel Economy Factory Ratios Increased Power
