2005 Infiniti Q45
18MPG
Combined
1
Trim
Updated February 27, 2026
Get the full picture on the 2005 Infiniti Q45. As a Sedan, it achieves 18 combined MPG and has not yet been rated by NHTSA. Below you’ll find detailed specs for every trim, plus recall information and competitor comparisons.
2005 Infiniti Q45 Specifications
| Spec | Value |
|---|---|
| Combined MPG | 18 combined MPG |
| City MPG | 16 |
| Highway MPG | 22 |
| Body Style | Sedan |
| Fuel Type | Premium |
| Drive | RWD |
| Available Trims | 1 |
Annual Fuel Cost
Based on EPA estimates, the 2005 Infiniti Q45 costs approximately $3,250 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
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Other Model Years
- 2006 Infiniti Q45
- 2005 (this page)
- 2004 Infiniti Q45
- 2003 Infiniti Q45
- 2002 Infiniti Q45
- 2001 Infiniti Q45
- 2000 Infiniti Q45
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