Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/80-15 | 195/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.39 (645) | 27.28 (693) | 1.89 (48) 7.4% |
| Width inches (mm) | 6.5 (165) | 7.68 (195) | 1.18 (30) 18.2% |
| Circum. inches (mm) | 79.78 (2026.33) | 85.71 (2177.12) | 5.94 (150.8) 7.4% |
| Sidewall Height inches (mm) | 5.2 (132) | 6.14 (156) | 0.94 (24) 18.2% |
| Revolutions per mile (km) | 794.22 (493.5) | 739.21 (459.32) | -55.01 (-34.18) -6.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.49 mph (34.58 km/h) |
| 25 mph (40.23 km/h) | 26.86 mph (43.23 km/h) |
| 30 mph (48.28 km/h) | 32.23 mph (51.87 km/h) |
| 35 mph (56.33 km/h) | 37.6 mph (60.52 km/h) |
| 40 mph (64.37 km/h) | 42.98 mph (69.16 km/h) |
| 45 mph (72.42 km/h) | 48.35 mph (77.81 km/h) |
| 50 mph (80.47 km/h) | 53.72 mph (86.46 km/h) |
| 55 mph (88.51 km/h) | 59.09 mph (95.1 km/h) |
| 60 mph (96.56 km/h) | 64.47 mph (103.75 km/h) |
| 65 mph (104.61 km/h) | 69.84 mph (112.39 km/h) |
| 70 mph (112.65 km/h) | 75.21 mph (121.04 km/h) |
| 75 mph (120.7 km/h) | 80.58 mph (129.68 km/h) |
| 80 mph (128.75 km/h) | 85.95 mph (138.33 km/h) |
| 85 mph (136.79 km/h) | 91.33 mph (146.97 km/h) |
| 90 mph (144.84 km/h) | 96.7 mph (155.62 km/h) |
| 95 mph (152.89 km/h) | 102.07 mph (164.27 km/h) |
| 100 mph (160.93 km/h) | 107.44 mph (172.91 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1881 | 2185 | 2353 | 2457 | 2570 | 2650 | 2738 | 2842 | 2986 | 3130 | 3290 | 3418 | 3650 | 3906 | 4106 | 4235 | 4307 | 4571 | 4939 | 5739 |
Better Fuel Economy Factory Ratios Increased Power
