Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/75-16 | 235/80-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.29 (743.9) | 30.8 (782.4) | 1.52 (38.5) 5.2% |
| Width inches (mm) | 8.86 (225) | 9.25 (235) | 0.39 (10) 4.4% |
| Circum. inches (mm) | 92.01 (2337.03) | 96.77 (2457.98) | 4.76 (120.95) 5.2% |
| Sidewall Height inches (mm) | 6.64 (168.75) | 7.4 (188) | 0.76 (19.25) 11.4% |
| Revolutions per mile (km) | 688.63 (427.89) | 654.74 (406.84) | -33.89 (-21.06) -4.9% |
235/80-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.04 mph (33.85 km/h) |
| 25 mph (40.23 km/h) | 26.29 mph (42.32 km/h) |
| 30 mph (48.28 km/h) | 31.55 mph (50.78 km/h) |
| 35 mph (56.33 km/h) | 36.81 mph (59.24 km/h) |
| 40 mph (64.37 km/h) | 42.07 mph (67.71 km/h) |
| 45 mph (72.42 km/h) | 47.33 mph (76.17 km/h) |
| 50 mph (80.47 km/h) | 52.59 mph (84.63 km/h) |
| 55 mph (88.51 km/h) | 57.85 mph (93.1 km/h) |
| 60 mph (96.56 km/h) | 63.11 mph (101.56 km/h) |
| 65 mph (104.61 km/h) | 68.36 mph (110.02 km/h) |
| 70 mph (112.65 km/h) | 73.62 mph (118.48 km/h) |
| 75 mph (120.7 km/h) | 78.88 mph (126.95 km/h) |
| 80 mph (128.75 km/h) | 84.14 mph (135.41 km/h) |
| 85 mph (136.79 km/h) | 89.4 mph (143.87 km/h) |
| 90 mph (144.84 km/h) | 94.66 mph (152.34 km/h) |
| 95 mph (152.89 km/h) | 99.92 mph (160.8 km/h) |
| 100 mph (160.93 km/h) | 105.18 mph (169.26 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1666 | 1936 | 2085 | 2177 | 2276 | 2347 | 2425 | 2517 | 2645 | 2772 | 2914 | 3028 | 3233 | 3460 | 3637 | 3751 | 3815 | 4048 | 4375 | 5084 |
Better Fuel Economy Factory Ratios Increased Power
