Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/82-15 | 270/43-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.65 (651.6) | 29.14 (740.2) | 3.49 (88.6) 13.6% |
| Width inches (mm) | 6.5 (165) | 10.63 (270) | 4.13 (105) 63.6% |
| Circum. inches (mm) | 80.59 (2047.06) | 91.55 (2325.41) | 10.96 (278.35) 13.6% |
| Sidewall Height inches (mm) | 5.33 (135.3) | 4.57 (116.1) | -0.76 (-19.2) -14.2% |
| Revolutions per mile (km) | 786.17 (488.5) | 692.07 (430.03) | -94.1 (-58.47) -12% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.72 mph (36.56 km/h) |
| 25 mph (40.23 km/h) | 28.4 mph (45.7 km/h) |
| 30 mph (48.28 km/h) | 34.08 mph (54.85 km/h) |
| 35 mph (56.33 km/h) | 39.76 mph (63.99 km/h) |
| 40 mph (64.37 km/h) | 45.44 mph (73.13 km/h) |
| 45 mph (72.42 km/h) | 51.12 mph (82.27 km/h) |
| 50 mph (80.47 km/h) | 56.8 mph (91.41 km/h) |
| 55 mph (88.51 km/h) | 62.48 mph (100.55 km/h) |
| 60 mph (96.56 km/h) | 68.16 mph (109.69 km/h) |
| 65 mph (104.61 km/h) | 73.84 mph (118.83 km/h) |
| 70 mph (112.65 km/h) | 79.52 mph (127.97 km/h) |
| 75 mph (120.7 km/h) | 85.2 mph (137.11 km/h) |
| 80 mph (128.75 km/h) | 90.88 mph (146.25 km/h) |
| 85 mph (136.79 km/h) | 96.56 mph (155.39 km/h) |
| 90 mph (144.84 km/h) | 102.24 mph (164.54 km/h) |
| 95 mph (152.89 km/h) | 107.92 mph (173.68 km/h) |
| 100 mph (160.93 km/h) | 113.6 mph (182.82 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1761 | 2046 | 2203 | 2301 | 2406 | 2481 | 2563 | 2661 | 2795 | 2930 | 3080 | 3200 | 3417 | 3657 | 3845 | 3965 | 4032 | 4279 | 4624 | 5373 |
Better Fuel Economy Factory Ratios Increased Power
