DecodedCarsInfiniti M45
5 model years from 2006 to 2010, compared on size, efficiency, safety and reliability.
- Model years
- 2006–2010
- Class
- Large Cars
- Latest engines
- 4.5L 8-cyl
- Best MPG
- 18–18 combined, by year
- Latest rating
- Not rated
- Recalls
- 5 campaigns, all years
- Most complaints
- 2006 (33)
The 2010 M45 in brief
The 2010 Infiniti M45 is a large car offered with a 4.5L 8-cyl engine and rear-wheel drive and all-wheel drive.
It measures about 193 inches long and 71 inches wide on a 114-inch wheelbase, with a curb weight of roughly 4,004 lb (4dr Sedan RWD).
EPA rates its most efficient version at 18 MPG combined (16 city / 21 highway), 3% worse than the 2010 large car average of 18.5 MPG, for an estimated $4,550 a year in fuel.
It has 4 recall campaigns on file.
The Infiniti M45 has 5 model years in our data, from 2006 to 2010.
Its most efficient year was 2010 at 18 MPG combined; across all years the best version ranged from 18 to 18 MPG.
Owners most often report problems with the air bags (23), engine (18), seats (9).
2006 has the most recalls (5); all years together count 5 campaigns and 57 owner complaints.
How the 2006 M45 compares
The 2006 Infiniti M45 is a large car offered with a 4.5L 8-cyl engine and rear-wheel drive.
It measures about 193 inches long and 71 inches wide on a 114-inch wheelbase, with a curb weight of roughly 3,968 lb.
2010 M45 pros & cons
Full 2010 details →What's good
- AWD / 4WD available
Watch out for
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
M45 changes by model year
- 2008
- All-wheel or four-wheel drive now available
Years without a measurable change are left out.
Show all 5 model years side by side
| Year | Latest engines | Best MPG / range | Length | Weight | Overall | Recalls | Complaints |
|---|---|---|---|---|---|---|---|
| 2010 | 4.5L 8-cyl | 18 MPG | 193.3 in | 4,004 lb | Not rated | 4 | 0 |
| 2009 | 4.5L 8-cyl | 18 MPG | 193.3 in | 4,006 lb | Not rated | 4 | 0 |
| 2008 | 4.5L 8-cyl | 18 MPG | 193.3 in | 4,006 lb | Not rated | 4 | 5 |
| 2007 | 4.5L 8-cyl | 18 MPG | 193.3 in | 3,968 lb | Not rated | 4 | 19 |
| 2006 | 4.5L 8-cyl | 18 MPG | 193.3 in | 3,968 lb | Not rated | 5 | 33 |
Alternatives to the 2010 M45
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2010 BMW 5 Series | 22 MPG | Not rated | 7 |
| 2010 Mercedes-Benz E-Class | 21 MPG | Not rated | 0 |
| 2010 Audi A6 | 22 MPG | Not rated | 3 |
| 2010 Lexus LS | 21 MPG | Not rated | 2 |
| 2010 Jaguar XJ | 19 MPG | Not rated | 3 |
| 2010 Lexus GS | 23 MPG | Not rated | 3 |
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 →