Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/85-16 | 265/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.73 (805.9) | 30.61 (777.4) | -1.12 (-28.5) -3.5% |
| Width inches (mm) | 9.25 (235) | 10.43 (265) | 1.18 (30) 12.8% |
| Circum. inches (mm) | 99.68 (2531.81) | 96.15 (2442.27) | -3.53 (-89.54) -3.5% |
| Sidewall Height inches (mm) | 7.86 (199.75) | 7.3 (185.5) | -0.56 (-14.25) -7.1% |
| Revolutions per mile (km) | 635.65 (394.97) | 658.95 (409.45) | 23.3 (14.48) 3.7% |
265/70-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.29 mph (31.05 km/h) |
| 25 mph (40.23 km/h) | 24.12 mph (38.81 km/h) |
| 30 mph (48.28 km/h) | 28.94 mph (46.57 km/h) |
| 35 mph (56.33 km/h) | 33.76 mph (54.34 km/h) |
| 40 mph (64.37 km/h) | 38.59 mph (62.1 km/h) |
| 45 mph (72.42 km/h) | 43.41 mph (69.86 km/h) |
| 50 mph (80.47 km/h) | 48.23 mph (77.62 km/h) |
| 55 mph (88.51 km/h) | 53.05 mph (85.38 km/h) |
| 60 mph (96.56 km/h) | 57.88 mph (93.15 km/h) |
| 65 mph (104.61 km/h) | 62.7 mph (100.91 km/h) |
| 70 mph (112.65 km/h) | 67.52 mph (108.67 km/h) |
| 75 mph (120.7 km/h) | 72.35 mph (116.43 km/h) |
| 80 mph (128.75 km/h) | 77.17 mph (124.19 km/h) |
| 85 mph (136.79 km/h) | 81.99 mph (131.96 km/h) |
| 90 mph (144.84 km/h) | 86.82 mph (139.72 km/h) |
| 95 mph (152.89 km/h) | 91.64 mph (147.48 km/h) |
| 100 mph (160.93 km/h) | 96.46 mph (155.24 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1677 | 1948 | 2098 | 2191 | 2291 | 2362 | 2440 | 2533 | 2662 | 2790 | 2933 | 3047 | 3254 | 3482 | 3661 | 3775 | 3839 | 4075 | 4403 | 5116 |
Better Fuel Economy Factory Ratios Increased Power
