Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/82-15 | 165/20-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.65 (651.6) | 17.6 (447) | -8.06 (-204.6) -31.4% |
| Width inches (mm) | 6.5 (165) | 6.5 (165) | 0 (0) 0% |
| Circum. inches (mm) | 80.59 (2047.06) | 55.29 (1404.29) | -25.31 (-642.77) -31.4% |
| Sidewall Height inches (mm) | 5.33 (135.3) | 1.3 (33) | -4.03 (-102.3) -75.6% |
| Revolutions per mile (km) | 786.17 (488.5) | 1146.02 (712.1) | 359.85 (223.6) 45.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 13.72 mph (22.08 km/h) |
| 25 mph (40.23 km/h) | 17.15 mph (27.6 km/h) |
| 30 mph (48.28 km/h) | 20.58 mph (33.12 km/h) |
| 35 mph (56.33 km/h) | 24.01 mph (38.64 km/h) |
| 40 mph (64.37 km/h) | 27.44 mph (44.16 km/h) |
| 45 mph (72.42 km/h) | 30.87 mph (49.68 km/h) |
| 50 mph (80.47 km/h) | 34.3 mph (55.2 km/h) |
| 55 mph (88.51 km/h) | 37.73 mph (60.72 km/h) |
| 60 mph (96.56 km/h) | 41.16 mph (66.24 km/h) |
| 65 mph (104.61 km/h) | 44.59 mph (71.76 km/h) |
| 70 mph (112.65 km/h) | 48.02 mph (77.28 km/h) |
| 75 mph (120.7 km/h) | 51.45 mph (82.8 km/h) |
| 80 mph (128.75 km/h) | 54.88 mph (88.32 km/h) |
| 85 mph (136.79 km/h) | 58.31 mph (93.84 km/h) |
| 90 mph (144.84 km/h) | 61.74 mph (99.36 km/h) |
| 95 mph (152.89 km/h) | 65.17 mph (104.88 km/h) |
| 100 mph (160.93 km/h) | 68.6 mph (110.4 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
