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Nissan 350Z / 370Z vs. BMW 5-Series Reliability Comparisons

You won't find Nissan 350Z / 370Z or BMW 5-Series reliability information like this anywhere else. Actual repair frequencies, not just vague dots, to make it clear how much the Nissan 350Z / 370Z and the BMW 5-Series truly differ in reliability.

These stats are promptly updated four times a year, to much more closely track Nissan 350Z / 370Z and BMW 5-Series reliability as the cars age. Others tell you how reliable the Nissan 350Z / 370Z and the BMW 5-Series were a year ago, when the cars were a year younger and had 12,000 fewer miles on them. Only TrueDelta tells you how reliable the Nissan 350Z / 370Z and the BMW 5-Series have been recently.

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See reliability results for all Sedans, Hatchbacks, Convertibles, and Wagons.

See only powertrain and chassis results

Year Make/Model Repair Frequencysuccessful repair trips per 100 cars per year Compared to all models for the same year  
2014 BMW 5-Series   14 5-Series, 5.9 months of data per 5-Series, average 4500 miles

* Very small sample size.
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2013 BMW 5-Series 25 5-Series, 9.6 months of data per 5-Series, average 13100 miles30
40% Fewest Trips Most Trips
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2012 BMW 5-Series 26 5-Series, 9.4 months of data per 5-Series, average 21500 miles44
50% Fewest Trips Most Trips
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2011 BMW 5-Series 48 5-Series, 8.0 months of data per 5-Series, average 34700 miles

First year for F10 5-Series.
53
60% Fewest Trips Most Trips
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2010 BMW 5-Series 31 5-Series, 9.2 months of data per 5-Series, average 51300 miles

End of CPO warranty.
46
40% Fewest Trips Most Trips
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2009 BMW 5-Series   23 5-Series, 8.3 months of data per 5-Series, average 56900 miles

* Small sample size.
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2009 Nissan 370Z   17 370Zs, 9.4 months of data per 370Z, average 32400 miles

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2008 BMW 528 / 550 / M5 49 528 / 550 / M5s, 8.1 months of data per 528 / 550 / M5, average 71900 miles

Refreshed.
78
70% Fewest Trips Most Trips
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2008 BMW 535 27 535s, 9.3 months of data per 535, average 75000 miles

Refreshed.
91
80% Fewest Trips Most Trips
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2008 Nissan 350Z   12 350Zs, 7.1 months of data per 350Z, average 40500 miles

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2007 BMW 5-Series 28 5-Series, 9.5 months of data per 5-Series, average 90500 miles54
40% Fewest Trips Most Trips
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2007 Nissan 350Z   10 350Zs, 8.9 months of data per 350Z, average 39400 miles

* Very small sample size.
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2006 BMW 5-Series 38 5-Series, 9.5 months of data per 5-Series, average 88400 miles90
70% Fewest Trips Most Trips
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2006 Nissan 350Z   14 350Zs, 7.9 months of data per 350Z, average 68700 miles

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2005 Nissan 350Z   12 350Zs, 8.7 months of data per 350Z, average 73700 miles

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2004 BMW 5-Series   21 5-Series, 8.8 months of data per 5-Series, average 92000 miles

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2004 Nissan 350Z   17 350Zs, 8.6 months of data per 350Z, average 68900 miles

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2003 BMW 5-Series   24 5-Series, 9.5 months of data per 5-Series, average 103700 miles

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2003 Nissan 350Z 26 350Zs, 9.0 months of data per 350Z, average 97000 miles

First model year.
93
50% Fewest Trips Most Trips
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2002 BMW 5-Series 38 5-Series, 9.2 months of data per 5-Series, average 111800 miles93
50% Fewest Trips Most Trips
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2001 BMW 5-Series   17 5-Series, 10.0 months of data per 5-Series, average 128400 miles

* Small sample size.
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2000 BMW 5-Series   12 5-Series, 10.5 months of data per 5-Series, average 131100 miles

* Very small sample size.
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What People Are Saying about Reliability and the Nissan 350Z / 370Z

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What Our Members Are Saying about the Reliability and Durability of the Nissan 350Z / 370Z

Nissan 350Z / 370Z Reliability and Durability: Pros
YearBody/PowertrainComment
2009 2dr Hatch 332-horsepower 3.7L V6
6-speed manual RWD
My last two Nissans have each gone over 150,000 miles. Both were easy keepers, reliable, and inexpensive to service. I expect the same from this one. Servicing costs on the Cayman are a nightmare by comparison, despite long recommended service interval
2008 2dr Hatch 306-horsepower 3.5L V6
5-speed shiftable automatic RWD
Very reliable, have not had long enough to evaluate durability.
2007 2dr Convertible 306-horsepower 3.5L V6
5-speed shiftable automatic RWD
I drove this car in 15 degree weather, It cranked up the same as 80-90 degree days
2006 2dr Convertible 300-horsepower 3.5L V6
6-speed manual RWD
So far no problems.
2005 2dr Hatch 287-horsepower 3.5L V6
5-speed shiftable automatic RWD
nissans have always been know to be well built and reliable.
2004 2dr Hatch 287-horsepower 3.5L V6
5-speed shiftable automatic RWD
never had to do any major repairs on my Z
2004 2dr Hatch 287-horsepower 3.5L V6
5-speed shiftable automatic RWD
Relatively cheap to maintan for a sportscar. Nissan engines can run pretty high in mileage and be just fine.
2004 2dr Hatch 287-horsepower 3.5L V6
6-speed manual RWD
Strong, durable engine and drivetrain. Have only had standard maintenance - no repairs. This includes taking the car to the track and autocross on occasion.
2003 2dr Hatch 287-horsepower 3.5L V6
6-speed manual RWD
Its engineered to last and the parts are reasonable, not cheap, but reasonable
2003 2dr Hatch 287-horsepower 3.5L V6
6-speed manual RWD
My car has 50k on it and it was heavily track used by the previous owner. Basically no problems or major repairs. Pwr steering pump went out, given it was a first year model, notorious for bugs. After that, only needed new tires.
Nissan 350Z / 370Z Reliability and Durability: Cons
YearBody/PowertrainComment
2011 2dr Hatch 332-horsepower 3.7L V6
6-speed manual RWD
Engine is a hit or miss with oil consumption.
 

What Our Members Are Saying about the Reliability and Durability of the BMW 5-Series

BMW 5-Series Reliability and Durability: Pros
YearBody/PowertrainComment
2008 4dr Sedan 230-horsepower 3.0L I6
6-speed shiftable automatic AWD
Tremendous warranty which includes annual oil change and inspection paid for by dealer. ANY problems are fixed at no charge to customer.
2008 4dr Sedan turbocharged 300hp 3.0L I6
6-speed shiftable automatic AWD
Full service for first 4 years.
2007 4dr Sedan 215-horsepower 3.0L I6
6-speed manual RWD
Very good reputation.
2007 4dr Sedan 360-horsepower 4.8L V8
6-speed shiftable automatic RWD
No problems in 15,000 miles
2005 4dr Sedan 225-horsepower 3.0L I6
6-speed shiftable automatic RWD
Tried and true inline 6 cylinder engine.
2002 4dr Sedan 184-horsepower 2.5L I6
5-speed shiftable automatic RWD
Very little rust after 8+ years coupled with top notch materials lasting quite a long time. Replacement parts were very costly but performed for long periods. Current owners offer great advice on what and when to perform preventative maintenance.
BMW 5-Series Reliability and Durability: Cons
YearBody/PowertrainComment
2011 4dr Sedan turbocharged 300hp 3.0L I6
8-speed shiftable automatic RWD
- accelerator response (hesitation) - engine issues (check engine light requiring three service visits in two months) - engine malfunction light (part of turbo came disconnected) - faulty fuel sensor (recall first three months of new model year)
2010 4dr Sedan turbocharged 300hp 3.0L I6
6-speed shiftable automatic RWD
Unbelievable maintenance after 50K miles, cost and effort.
2010 4dr Sedan turbocharged 300hp 3.0L I6
6-speed shiftable automatic RWD
Terrible reputation for poor reliability and absurdly high repair costs as early as 50,000 miles.
2005 4dr Sedan 325-horsepower 4.4L V8
6-speed shiftable automatic RWD
Over 80K many systems were beginning to break down
2004 4dr Sedan 225-horsepower 3.0L I6
6-speed manual RWD
Had several repairs the first month of ownership that were covered by CPO warranty...love that BMW CPO
2002 4dr Sedan 290-horsepower 4.4L V8
5-speed shiftable automatic RWD
I picked the above "reason" because it's the worst feature of an otherwise perfect vehicle. The durability of the interior is quite frankly an embarassment. I've lost the buttons for max for the heater, up for the driver side temerature, and the top button for the airflow direction .... don't ask me where they went, they just disappeared! I've broken the drivers side cup holder (and come on ... how pathetic are those cup holders!), and once it breaks, it no longer clicks back into the closed position so now I have a half a cup holder sticking out. One other grievance relating to interior durability ... the plastic footrest (left foot) down below the hood lever also fell apart. The plastic just broke away in
2002 4dr Sedan 225-horsepower 3.0L I6
5-speed shiftable automatic RWD
This car is known to have a plethora of problems. I have yet to see if it will hold up well for me.
2001 4dr Sedan 225-horsepower 3.0L I6
5-speed shiftable automatic RWD
dealer ship as a mess