DecodedCarsInfiniti Q45
2 model years from 2005 to 2006, compared on size, efficiency, safety and reliability.
- Model years
- 2005–2006
- Class
- Midsize Cars
- Latest engines
- 4.5L 8-cyl
- Best MPG
- 18–18 combined, by year
- Latest rating
- Not rated
- Recalls
- 1 campaigns, all years
- Most complaints
- 2005 (1)
The 2006 Q45 in brief
The 2006 Infiniti Q45 is a midsize car offered with a 4.5L 8-cyl engine and rear-wheel drive.
It measures about 202 inches long and 72 inches wide on a 113-inch wheelbase, with a curb weight of roughly 3,845 lb.
EPA rates its most efficient version at 18 MPG combined (16 city / 22 highway), 12% worse than the 2006 midsize car average of 20.5 MPG, for an estimated $4,550 a year in fuel.
There are no recalls or owner complaints on file with NHTSA for this model year.
The Infiniti Q45 has 2 model years in our data, from 2005 to 2006.
Its most efficient year was 2006 at 18 MPG combined; across all years the best version ranged from 18 to 18 MPG.
2005 has the most recalls (1); all years together count 1 campaigns and 1 owner complaints.
2006 Q45 pros & cons
Full 2006 details →What's good
- No recalls so far
Watch out for
- Below-average fuel economyBest version gets 18 MPG combined, 12% below the 2006 midsize car average of 20.5 MPG.
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
Show all 2 model years side by side
Alternatives to the 2006 Q45
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2006 BMW 5 Series | 21 MPG | Not rated | 3 |
| 2006 Mercedes-Benz E-Class | 27 MPG | Not rated | 0 |
| 2006 Audi A6 | 21 MPG | Not rated | 3 |
| 2006 Lexus LS | 19 MPG | Not rated | 0 |
| 2006 Jaguar XJ | 19 MPG | Not rated | 0 |
| 2006 Maserati Quattroporte | 13 MPG | Not rated | 1 |
Most common owner-reported problems
Sources: EPA, NHTSA, Transport Canada, Wikipedia, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Infiniti. How we calculate this →