Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/82-15 | 165/40-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.65 (651.6) | 20.2 (513) | -5.46 (-138.6) -21.3% |
| Width inches (mm) | 6.5 (165) | 6.5 (165) | 0 (0) 0% |
| Circum. inches (mm) | 80.59 (2047.06) | 63.45 (1611.64) | -17.14 (-435.42) -21.3% |
| Sidewall Height inches (mm) | 5.33 (135.3) | 2.6 (66) | -2.73 (-69.3) -51.2% |
| Revolutions per mile (km) | 786.17 (488.5) | 998.58 (620.49) | 212.4 (131.98) 27% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 15.75 mph (25.34 km/h) |
| 25 mph (40.23 km/h) | 19.68 mph (31.68 km/h) |
| 30 mph (48.28 km/h) | 23.62 mph (38.01 km/h) |
| 35 mph (56.33 km/h) | 27.56 mph (44.35 km/h) |
| 40 mph (64.37 km/h) | 31.49 mph (50.68 km/h) |
| 45 mph (72.42 km/h) | 35.43 mph (57.02 km/h) |
| 50 mph (80.47 km/h) | 39.36 mph (63.35 km/h) |
| 55 mph (88.51 km/h) | 43.3 mph (69.69 km/h) |
| 60 mph (96.56 km/h) | 47.24 mph (76.02 km/h) |
| 65 mph (104.61 km/h) | 51.17 mph (82.36 km/h) |
| 70 mph (112.65 km/h) | 55.11 mph (88.69 km/h) |
| 75 mph (120.7 km/h) | 59.05 mph (95.03 km/h) |
| 80 mph (128.75 km/h) | 62.98 mph (101.36 km/h) |
| 85 mph (136.79 km/h) | 66.92 mph (107.7 km/h) |
| 90 mph (144.84 km/h) | 70.86 mph (114.03 km/h) |
| 95 mph (152.89 km/h) | 74.79 mph (120.37 km/h) |
| 100 mph (160.93 km/h) | 78.73 mph (126.7 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
