Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/82-15 | 195/68-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.65 (651.6) | 25.44 (646.2) | -0.21 (-5.4) -0.8% |
| Width inches (mm) | 6.5 (165) | 7.68 (195) | 1.18 (30) 18.2% |
| Circum. inches (mm) | 80.59 (2047.06) | 79.93 (2030.1) | -0.67 (-16.96) -0.8% |
| Sidewall Height inches (mm) | 5.33 (135.3) | 5.22 (132.6) | -0.11 (-2.7) -2% |
| Revolutions per mile (km) | 786.17 (488.5) | 792.74 (492.59) | 6.57 (4.08) 0.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.83 mph (31.92 km/h) |
| 25 mph (40.23 km/h) | 24.79 mph (39.9 km/h) |
| 30 mph (48.28 km/h) | 29.75 mph (47.88 km/h) |
| 35 mph (56.33 km/h) | 34.71 mph (55.86 km/h) |
| 40 mph (64.37 km/h) | 39.67 mph (63.84 km/h) |
| 45 mph (72.42 km/h) | 44.63 mph (71.82 km/h) |
| 50 mph (80.47 km/h) | 49.59 mph (79.8 km/h) |
| 55 mph (88.51 km/h) | 54.54 mph (87.78 km/h) |
| 60 mph (96.56 km/h) | 59.5 mph (95.76 km/h) |
| 65 mph (104.61 km/h) | 64.46 mph (103.74 km/h) |
| 70 mph (112.65 km/h) | 69.42 mph (111.72 km/h) |
| 75 mph (120.7 km/h) | 74.38 mph (119.7 km/h) |
| 80 mph (128.75 km/h) | 79.34 mph (127.68 km/h) |
| 85 mph (136.79 km/h) | 84.3 mph (135.66 km/h) |
| 90 mph (144.84 km/h) | 89.25 mph (143.64 km/h) |
| 95 mph (152.89 km/h) | 94.21 mph (151.62 km/h) |
| 100 mph (160.93 km/h) | 99.17 mph (159.6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2017 | 2344 | 2524 | 2635 | 2756 | 2841 | 2936 | 3048 | 3202 | 3357 | 3528 | 3666 | 3915 | 4189 | 4404 | 4541 | 4619 | 4902 | 5297 | 6155 |
Better Fuel Economy Factory Ratios Increased Power
