2011 Buick Regal Buick Regal 2011

We are 103,000+ car owners sharing real-world car information.

Join Us

2011 Buick Regal repairs by problem area

Engine (37%)

Transmission and Drivetrain (7%)

Brakes and Traction Control (5%)

Suspension and Steering (3%)

Electrical and Air Conditioning (28%)

Paint, Rust, Leaks, Rattles, and Trim (15%)

Other (5%)

Chart based on 179 repairs.
See TSBs and recalls for the 2011 Buick Regal.

2011 Buick Regal engine repair cost distribution

$2500+ (3%)

$1000 - $2499 (2%)

$500 - $999 (7%)

$100 - $499 (17%)

< $100 (71%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 59 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2011 Buick Regal 4dr Sedan

turbocharged 220hp 2.0L I4 6-speed shiftable automatic FWD

18600 mi Return line to turbo charger was dripping oil on a driveway. Minor leak not affecting engine oil level after 10,000 km. 
28600 mi Engine light was on, Intake Cam valve actuator replaced under powertrain warranty. 
63240 mi

C $700
Cam lifter sensor replaced due to engine light indication and new spark plugs installed 
21700 mi Car diagnosed with misfire. Dealer replaced sparkplugs, reset codes; problem repaired. 
26400 mi cam sensor replaced 
76300 mi

US $360
Loud chirping when a/c running, got worse since June so had it repaired. Dealer replaced tension arm. 
74200 mi

US $250
On startup the entire panel lit up and engine ran rough, car very sluggish. Dealer said the Throttle Body and the throttle sending unit had failed. 100K mi. powertain warranty covered all but $250. 
100000 mi

US $500
On acceleration car lagged then jolted. Dealer said one motor mount was entirely broken, other 3 need replacing too. Had all four replaced. Also had brake fluid flushed and filled. 
38500 mi Third time replacing the belt tensioner. 
42000 mi Replaced timing chain. Also belt tensioner. 
49300 mi Camshaft Actuator Sensor was replaced under warranty. 
66000 mi

US $3000
Throttle body and intake/exhaust cams sensors replaced 
71700 mi

US $100
Replace Belt Tensioner and Serpentine Belt 
84000 mi Oil filter cap. 
12000 mi They had to replace serpentine belt and it still makes lots of noise when turning air conditioning on. 
11500 mi Turbo charger had to be replaced under warranty. Metal vibrating noise noticed under load- only during accelerating. I had to drive the auto technician around to diagnose it. 3 days in dealer service. 11800 miles. 
11300 mi Engine light on for 2 days. OnStar diagnostics- emission system out of specs. Get car serviced. Engine idling rough. Wants to stall.Does not accelerate correctly. 
25920 mi rattling in the turbo system 
25000 mi Misfire reported, dealer cleaned the fuel injectors but couldn't replicate 
34700 mi The engine has a very rough idle but very rarely. The dealer was unable to duplicate the problem. 
98000 mi

US $1850
Replaced timing chains & tensioners 
25000 mi Belt needed adjustment 
50 mi dealer replaced catalytic converter with new 
6000 mi dealear replaced leaky fuel line to fuel rail 
35200 mi Air Bypass Valve Vacuum Tank had a leak. Dealer replaced it on warranty. 
49600 mi Noise coming from engine while idiling. 
122760 mi

C $300
Replaced VVT solenoid. 
126047 mi

C $798
Replace #3 ignition coil and all four spark plugs. 

Return to top

2011 Buick Regal 4dr Sedan

turbocharged 220hp 2.0L I4 6-speed manual FWD

44020 mi The return line that feeds oil to the turbo split open and had to be replaced. The car lost most of its oil and smoked a lot was towed to the dealer. I needed to have a linket replaced as well and had to wait three days for the part. 

Return to top

2011 Buick Regal 4dr Sedan

182-horsepower 2.4L I4 6-speed shiftable automatic FWD

61900 mi

US $300
Replace timing belt and balancing shaft only paid for timing belt part 
51460 mi Engine light came on. Would not go away. Took it to dealer. They replaced timing belt and fuel pump. It was a recall repair so no cost to me. 
57040 mi car was stalling, engine light came on, took it in, they replaced the exhaught cam shaft sensor, under warranty 
58900 mi

C $130
car stalling and shuttering while driving and coming to to a stop. dealer called and said i needed an oil change because low on oil sensors not getting proper communication. I did not know that the Regal does not have a low oil sensor! 
64860 mi rebuilt the engine due to broken piston. Oil level was down 3 litres in 5000k's. So the stalling originally the problem was due to piston problem caused by low oil level. 
60700 mi The dealer noticed higher than normal timing chain rattle. Replaced wpbalance shaft chain. 
85100 mi The check engine light, traction control light, and reduced engine power message displayed on the dash. I was able to slowly drive to the nearest dealer. They replaced the throttle body assembly and seal at no cost. 
40000 mi

US $60
P0010 Replaced cam shaft solenoids 
150000 mi Mass Air Flow issue. Covered under warranty 
175000 mi

US $300
Exhaust Pipe seam split. Replace 
205000 mi

US $1
Exhaust manifold cracked, front pipe, catalytic convert replaced oil consumption problem. I've known of it for years, but I always thought, Oh it a German car, they all blow oil. I never brought it up to the dealers attention and now I'm past warranty on this recall issue. 
32000 mi Replaced Balance Chain Tensioner, fuel pump, and crank seal 
73000 mi Engine rattle every few start-ups (problem has been ongoing - returning under warranty). Oil was low -- Oil consumption test started by Dealer - will return in 1,000 miles. Req'd by dealer before any warranty work can begin. 
73200 mi Return vehicle after 1000mi as req'd for oil consumption test. Oil was 1.5qt low & warranty was done. Replaced Pistons,rings,& camshaft timing chain reass'y. Owner research-Timing chain guides break down & cause rattle on 2.4L ecotec. 
1240 mi Noise on cold or warm engine start up. Dealer able to replicate noise and parts were ordered and changed. Actuator was changed to address the problem. 
8000 mi car would stall, dealer replaced the cam actuator sensor 
41000 mi

US $325
Car was stalling, Intake and exhaust actuators replaced 
17000 mi Fuel injection module failed. Replaced module. Also performed a recall update to computer. 
Car only had 358kms. Car stalled after start within 30 seconds. Intake cam phaser, actuator and solenoid needed to be replaced. 
16200 mi cam shaft lifter plates replaced 
52000 mi Car was idling rough. Also it had killed earlier in the week. Dealer cleaned throttle body and injector cleaner and advised better gas. 
58000 mi Timing chain broke and bent all the valves. Car is currently being serviced, as this just happened. Turned out cylinder head had an oblong bolt hole that the belt tensioner bolted in to. Over time the bolt finally snapped, taking out the timing chain and valves. All new head, valves, water pump, tensioner. 
68000 mi We had noticed a loud rattle @ cold start for some time, they could not find prior. However, today they said the hydraulic tensioner for the timing chain was bad and the chain & tensioner need replaced. Also may have caused internal damage. 
7000 mi Rattle noise on drivebelt side of the engine. The drivebelt idler arm pulley was replaced. 
11200 mi On warm engine, a metallic sound was heard around the drivebelt area. Dealer could not replicate sound. 
12000 mi On warm engine, a metallic sound was present in the accessory drivebelt area. Timing chain, balance shaft chain and tensioners replaced. 
22000 mi The engine was making a ticking noise on start up. It was diagnosed as a piece of the timing gear broke off and lodged itself in the engine where it could not be removed. The engine was replaced under warranty. Upon picking the car up after the engine replacement, it was bucking and jolting uncontrollably. I brought it right back to the dealer for diagnosis. 
37500 mi At fuel fill up, just before the gas station pump shuts off, there is a thump heard in or near the fuel tank. 
42300 mi

US $290
Low rumble sound could be heard from the engine on cold start up. The problem was found to be the drive belt tensioner. 
53692 mi

US $445
A squirrel eat through some of the wiring leading to the MAS and radiator fan circuits. 
49500 mi Timing belt was replaced. 
97000 mi Engine propulsion--check engine light 
125000 mi

US $950
Water pump required replacement 

Return to top

See TrueDelta's information for all Sedans, Hatchbacks, and Wagons.
See TrueDelta's information for all Buick models.

2011 Buick Regal Engine Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2011 Buick Regal problems occur, check out our car reliability stats.