Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/85-16 | 225/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.37 (644.4) | 31.06 (788.9) | 5.69 (144.5) 22.4% |
| Width inches (mm) | 5.51 (140) | 8.86 (225) | 3.35 (85) 60.7% |
| Circum. inches (mm) | 79.7 (2024.44) | 97.57 (2478.4) | 17.87 (453.96) 22.4% |
| Sidewall Height inches (mm) | 4.69 (119) | 7.53 (191.25) | 2.84 (72.25) 60.7% |
| Revolutions per mile (km) | 794.96 (493.96) | 649.35 (403.48) | -145.61 (-90.48) -18.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.48 mph (39.4 km/h) |
| 25 mph (40.23 km/h) | 30.61 mph (49.26 km/h) |
| 30 mph (48.28 km/h) | 36.73 mph (59.11 km/h) |
| 35 mph (56.33 km/h) | 42.85 mph (68.96 km/h) |
| 40 mph (64.37 km/h) | 48.97 mph (78.81 km/h) |
| 45 mph (72.42 km/h) | 55.09 mph (88.66 km/h) |
| 50 mph (80.47 km/h) | 61.21 mph (98.51 km/h) |
| 55 mph (88.51 km/h) | 67.33 mph (108.36 km/h) |
| 60 mph (96.56 km/h) | 73.45 mph (118.21 km/h) |
| 65 mph (104.61 km/h) | 79.58 mph (128.06 km/h) |
| 70 mph (112.65 km/h) | 85.7 mph (137.92 km/h) |
| 75 mph (120.7 km/h) | 91.82 mph (147.77 km/h) |
| 80 mph (128.75 km/h) | 97.94 mph (157.62 km/h) |
| 85 mph (136.79 km/h) | 104.06 mph (167.47 km/h) |
| 90 mph (144.84 km/h) | 110.18 mph (177.32 km/h) |
| 95 mph (152.89 km/h) | 116.3 mph (187.17 km/h) |
| 100 mph (160.93 km/h) | 122.42 mph (197.02 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1652 | 1920 | 2067 | 2159 | 2257 | 2328 | 2405 | 2496 | 2623 | 2749 | 2890 | 3003 | 3206 | 3432 | 3607 | 3720 | 3783 | 4015 | 4339 | 5042 |
Better Fuel Economy Factory Ratios Increased Power
