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Chevrolet Impala vs. Hyundai Sonata Reliability Comparisons

You won't find Chevrolet Impala or Hyundai Sonata reliability information like this anywhere else. Actual repair frequencies, not just vague dots, to make it clear how much the Chevrolet Impala and the Hyundai Sonata truly differ in reliability.

These stats are promptly updated four times a year, to much more closely track Chevrolet Impala and Hyundai Sonata reliability as the cars age. Others tell you how reliable the Chevrolet Impala and the Hyundai Sonata 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 Chevrolet Impala and the Hyundai Sonata have been recently.

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Year Make/Model Repair Frequencysuccessful repair trips per 100 cars per year Compared to all models for the same year  
2013 Hyundai Sonata 53 Sonatas, 8.1 months of data per Sonata, average 12000 miles20
20% Fewest Trips Most Trips
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2012 Hyundai Sonata 56 Sonatas, 9.1 months of data per Sonata, average 24700 miles12
0% Fewest Trips Most Trips
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2011 Hyundai Sonata 114 Sonatas, 8.9 months of data per Sonata, average 38300 miles

Redesigned for this model year.
45
50% Fewest Trips Most Trips
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2010 Hyundai Sonata   21 Sonatas, 9.0 months of data per Sonata, average 56200 miles

* Small sample size.
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2009 Hyundai Sonata 62 Sonatas, 9.7 months of data per Sonata, average 61900 miles32
20% Fewest Trips Most Trips
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2008 Chevrolet Impala   20 Impalas, 9.1 months of data per Impala, average 112100 miles

* Small sample size.
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2008 Hyundai Sonata 27 Sonatas, 9.4 months of data per Sonata, average 73800 miles24
0% Fewest Trips Most Trips
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2007 Chevrolet Impala / Monte Carlo   15 Impala / Monte Carlos, 8.1 months of data per Impala / Monte Carlo, average 102600 miles

* Small sample size.
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2007 Hyundai Sonata 33 Sonatas, 10.1 months of data per Sonata, average 87900 miles54
40% Fewest Trips Most Trips
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2006 Chevrolet Impala / Monte Carlo   11 Impala / Monte Carlos, 8.6 months of data per Impala / Monte Carlo, average 107200 miles

* Very small sample size.
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2006 Hyundai Sonata 45 Sonatas, 10.0 months of data per Sonata, average 98900 miles

Redesigned for this model year.
88
70% Fewest Trips Most Trips
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2005 Hyundai Sonata   13 Sonatas, 8.0 months of data per Sonata, average 98600 miles

* Very small sample size.
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2004 Chevrolet Impala / Monte Carlo   14 Impala / Monte Carlos, 7.0 months of data per Impala / Monte Carlo, average 97300 miles

* Very small sample size.
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2004 Hyundai Sonata   24 Sonatas, 8.2 months of data per Sonata, average 116300 miles

* Small sample size.
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2003 Chevrolet Impala / Monte Carlo   14 Impala / Monte Carlos, 8.0 months of data per Impala / Monte Carlo, average 103400 miles

* Very small sample size.
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2002 Chevrolet Impala / Monte Carlo   10 Impala / Monte Carlos, 8.2 months of data per Impala / Monte Carlo, average 118800 miles

* Very small sample size.
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What People Are Saying about Reliability and the Chevrolet Impala

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What Our Members Are Saying about Chevrolet Impala Reliability and Durability

Reliability and Durability of the Chevrolet Impala: Pros
YearBody/PowertrainComment
2009 4dr Sedan 211-horsepower 3.5L V6
4-speed automatic FWD
Quite solid. has a good reliability reputation (and my experience bears that out)
2007 4dr Sedan 211-horsepower 3.5L V6
4-speed automatic FWD
Rock solid, roomy, reliable. Chevy knows how to build a car. Affordable for a family on a budget, great gas mileage. This is teh 2nd Impala we have owned, and almost certainly there will be a third.
2006 4dr Sedan 211-horsepower 3.5L V6
4-speed automatic FWD
absolutely trouble free
2006 4dr Sedan 211-horsepower 3.5L V6
4-speed automatic FWD
Powertrain is excellent. Fuel economy surprisingly good.
2006 4dr Sedan 242-horsepower 3.9L V6
4-speed automatic FWD
when you have to do 50km or a 1300km weektrip, you know you will come back!
2004 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD
Relatively minor problems.
2004 4dr Sedan 180-horsepower 3.4L V6
4-speed automatic FWD
We bought this car used already had 110,000 miles now over 210,000 miles drive daily no mechanical problems other than a new transmission which was just replaced at 195,000.
2004 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD
Car was having oil leak into the radiator, major engine overhaul required.
2004 2dr Coupe supercharged 240hp 3.8L V6
4-speed automatic FWD
Everything great car no problems
Reliability and Durability of the Chevrolet Impala: Cons
YearBody/PowertrainComment
2008 4dr Sedan 211-horsepower 3.5L V6
4-speed automatic FWD
Had to replace wiper motor and body computer module in less than 2 years with no aid from dealer or Chevrolet. $1150 that could have been caused by using the windshield wipers in the winter time. De
2008 4dr Sedan 211-horsepower 3.5L V6
4-speed automatic FWD
Electrical component failures caused by poor body assembly and sealing. GM will not warranty BCM or under hood fuse panel that failed by "environmental conditions" (snow & Ice & rain) Poor engineering.
2008 4dr Sedan 233-horsepower 3.9L V6
4-speed automatic FWD
Thus far, have had problems with the gas cap (the P0455 fault), the speakers rattle, two of the four power door locks have failed, and the gas gauge has gone on the fritz.
2008 4dr Sedan 233-horsepower 3.9L V6
4-speed automatic FWD
The above mentioned transmission problem has started when the car reached about 30,000 miles and 1 year old.
2007 4dr Sedan 211-horsepower 3.5L V6
4-speed automatic FWD
Car has been in more than twice a month for the last three years. Everything that can break has.
2007 4dr Sedan 233-horsepower 3.9L V6
4-speed automatic FWD
I have had 4 service items performed within the first 3 years of ownership. Unremarkable reliability.
2005 4dr Sedan 180-horsepower 3.4L V6
4-speed automatic FWD
We had a lot of little repairs. In 120K miles, 3 water pumps, power steering pump, cracked front cover, alternator, instrument cluster (speedometer, etc..), roof liner started sagging, A/C required a lot of maintenance, int trim coming off and much more.
2004 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD
Engine oil leaking into the coolant, required major overhaul of engine.
2002 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD
I had the front rotors warp every 3 to 6 months. I had to replace them at my cost as GM would not warranty them. The rear have now warped too. Both front wheel bearings had to be replaced as well as the tie rod ends. All within 70,000 miles. Very poor.

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What Our Members Are Saying about Hyundai Sonata Reliability and Durability

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