Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/82-15 | 195/65-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.65 (651.6) | 27.98 (710.7) | 2.33 (59.1) 9.1% |
| Width inches (mm) | 6.5 (165) | 7.68 (195) | 1.18 (30) 18.2% |
| Circum. inches (mm) | 80.59 (2047.06) | 87.9 (2232.73) | 7.31 (185.67) 9.1% |
| Sidewall Height inches (mm) | 5.33 (135.3) | 4.99 (126.75) | -0.34 (-8.55) -6.3% |
| Revolutions per mile (km) | 786.17 (488.5) | 720.8 (447.88) | -65.38 (-40.62) -8.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.81 mph (35.11 km/h) |
| 25 mph (40.23 km/h) | 27.27 mph (43.88 km/h) |
| 30 mph (48.28 km/h) | 32.72 mph (52.66 km/h) |
| 35 mph (56.33 km/h) | 38.17 mph (61.44 km/h) |
| 40 mph (64.37 km/h) | 43.63 mph (70.21 km/h) |
| 45 mph (72.42 km/h) | 49.08 mph (78.99 km/h) |
| 50 mph (80.47 km/h) | 54.53 mph (87.77 km/h) |
| 55 mph (88.51 km/h) | 59.99 mph (96.54 km/h) |
| 60 mph (96.56 km/h) | 65.44 mph (105.32 km/h) |
| 65 mph (104.61 km/h) | 70.9 mph (114.1 km/h) |
| 70 mph (112.65 km/h) | 76.35 mph (122.87 km/h) |
| 75 mph (120.7 km/h) | 81.8 mph (131.65 km/h) |
| 80 mph (128.75 km/h) | 87.26 mph (140.43 km/h) |
| 85 mph (136.79 km/h) | 92.71 mph (149.2 km/h) |
| 90 mph (144.84 km/h) | 98.16 mph (157.98 km/h) |
| 95 mph (152.89 km/h) | 103.62 mph (166.75 km/h) |
| 100 mph (160.93 km/h) | 109.07 mph (175.53 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1834 | 2131 | 2295 | 2396 | 2506 | 2584 | 2669 | 2771 | 2911 | 3052 | 3208 | 3333 | 3559 | 3809 | 4004 | 4129 | 4199 | 4457 | 4816 | 5597 |
Better Fuel Economy Factory Ratios Increased Power
