Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/82-15 | 195/78-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.65 (651.6) | 26.98 (685.2) | 1.32 (33.6) 5.2% |
| Width inches (mm) | 6.5 (165) | 7.68 (195) | 1.18 (30) 18.2% |
| Circum. inches (mm) | 80.59 (2047.06) | 84.75 (2152.62) | 4.16 (105.56) 5.2% |
| Sidewall Height inches (mm) | 5.33 (135.3) | 5.99 (152.1) | 0.66 (16.8) 12.4% |
| Revolutions per mile (km) | 786.17 (488.5) | 747.62 (464.55) | -38.55 (-23.95) -4.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.03 mph (33.85 km/h) |
| 25 mph (40.23 km/h) | 26.29 mph (42.31 km/h) |
| 30 mph (48.28 km/h) | 31.55 mph (50.77 km/h) |
| 35 mph (56.33 km/h) | 36.8 mph (59.23 km/h) |
| 40 mph (64.37 km/h) | 42.06 mph (67.69 km/h) |
| 45 mph (72.42 km/h) | 47.32 mph (76.16 km/h) |
| 50 mph (80.47 km/h) | 52.58 mph (84.62 km/h) |
| 55 mph (88.51 km/h) | 57.84 mph (93.08 km/h) |
| 60 mph (96.56 km/h) | 63.09 mph (101.54 km/h) |
| 65 mph (104.61 km/h) | 68.35 mph (110 km/h) |
| 70 mph (112.65 km/h) | 73.61 mph (118.46 km/h) |
| 75 mph (120.7 km/h) | 78.87 mph (126.93 km/h) |
| 80 mph (128.75 km/h) | 84.13 mph (135.39 km/h) |
| 85 mph (136.79 km/h) | 89.38 mph (143.85 km/h) |
| 90 mph (144.84 km/h) | 94.64 mph (152.31 km/h) |
| 95 mph (152.89 km/h) | 99.9 mph (160.77 km/h) |
| 100 mph (160.93 km/h) | 105.16 mph (169.23 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1903 | 2210 | 2380 | 2485 | 2599 | 2680 | 2769 | 2874 | 3020 | 3166 | 3327 | 3457 | 3692 | 3951 | 4153 | 4283 | 4356 | 4623 | 4995 | 5805 |
Better Fuel Economy Factory Ratios Increased Power
