Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/70-16 | 285/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.95 (735.4) | 31.71 (805.4) | 2.76 (70) 9.5% |
| Width inches (mm) | 9.25 (235) | 11.22 (285) | 1.97 (50) 21.3% |
| Circum. inches (mm) | 90.96 (2310.33) | 99.62 (2530.24) | 8.66 (219.91) 9.5% |
| Sidewall Height inches (mm) | 6.48 (164.5) | 7.85 (199.5) | 1.38 (35) 21.3% |
| Revolutions per mile (km) | 696.59 (432.84) | 636.04 (395.22) | -60.54 (-37.62) -8.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.9 mph (35.25 km/h) |
| 25 mph (40.23 km/h) | 27.38 mph (44.06 km/h) |
| 30 mph (48.28 km/h) | 32.86 mph (52.88 km/h) |
| 35 mph (56.33 km/h) | 38.33 mph (61.69 km/h) |
| 40 mph (64.37 km/h) | 43.81 mph (70.5 km/h) |
| 45 mph (72.42 km/h) | 49.28 mph (79.31 km/h) |
| 50 mph (80.47 km/h) | 54.76 mph (88.13 km/h) |
| 55 mph (88.51 km/h) | 60.24 mph (96.94 km/h) |
| 60 mph (96.56 km/h) | 65.71 mph (105.75 km/h) |
| 65 mph (104.61 km/h) | 71.19 mph (114.56 km/h) |
| 70 mph (112.65 km/h) | 76.66 mph (123.38 km/h) |
| 75 mph (120.7 km/h) | 82.14 mph (132.19 km/h) |
| 80 mph (128.75 km/h) | 87.61 mph (141 km/h) |
| 85 mph (136.79 km/h) | 93.09 mph (149.82 km/h) |
| 90 mph (144.84 km/h) | 98.57 mph (158.63 km/h) |
| 95 mph (152.89 km/h) | 104.04 mph (167.44 km/h) |
| 100 mph (160.93 km/h) | 109.52 mph (176.25 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1619 | 1880 | 2025 | 2115 | 2211 | 2280 | 2356 | 2445 | 2569 | 2693 | 2831 | 2941 | 3141 | 3361 | 3533 | 3644 | 3706 | 3933 | 4250 | 4938 |
Better Fuel Economy Factory Ratios Increased Power
