Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/80-16 | 165/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.87 (606.4) | 25.09 (637.4) | 1.22 (31) 5.1% |
| Width inches (mm) | 4.92 (125) | 6.5 (165) | 1.57 (40) 32% |
| Circum. inches (mm) | 75 (1905.06) | 78.84 (2002.45) | 3.83 (97.39) 5.1% |
| Sidewall Height inches (mm) | 3.94 (100) | 4.55 (115.5) | 0.61 (15.5) 15.5% |
| Revolutions per mile (km) | 844.77 (524.92) | 803.69 (499.39) | -41.09 (-25.53) -4.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.02 mph (33.83 km/h) |
| 25 mph (40.23 km/h) | 26.28 mph (42.29 km/h) |
| 30 mph (48.28 km/h) | 31.53 mph (50.75 km/h) |
| 35 mph (56.33 km/h) | 36.79 mph (59.21 km/h) |
| 40 mph (64.37 km/h) | 42.04 mph (67.66 km/h) |
| 45 mph (72.42 km/h) | 47.3 mph (76.12 km/h) |
| 50 mph (80.47 km/h) | 52.56 mph (84.58 km/h) |
| 55 mph (88.51 km/h) | 57.81 mph (93.04 km/h) |
| 60 mph (96.56 km/h) | 63.07 mph (101.5 km/h) |
| 65 mph (104.61 km/h) | 68.32 mph (109.96 km/h) |
| 70 mph (112.65 km/h) | 73.58 mph (118.41 km/h) |
| 75 mph (120.7 km/h) | 78.83 mph (126.87 km/h) |
| 80 mph (128.75 km/h) | 84.09 mph (135.33 km/h) |
| 85 mph (136.79 km/h) | 89.35 mph (143.79 km/h) |
| 90 mph (144.84 km/h) | 94.6 mph (152.25 km/h) |
| 95 mph (152.89 km/h) | 99.86 mph (160.7 km/h) |
| 100 mph (160.93 km/h) | 105.11 mph (169.16 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2045 | 2376 | 2559 | 2672 | 2794 | 2881 | 2976 | 3090 | 3246 | 3403 | 3577 | 3716 | 3969 | 4247 | 4465 | 4604 | 4682 | 4969 | 5370 | 6240 |
Better Fuel Economy Factory Ratios Increased Power
