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2015 GMC Sierra 1500

2015 GMC Sierra 1500

Truck (Crew Cab)
rear wheel drive
flex-fuel (unleaded/E85)
Horsepower
355 hp
MPG Combined
–
MSRP
$38,965
Torque
383 lb-ft
Reliability Score
75/ 100Good
Based on 909 NHTSA complaints

Should You Buy a 2015 GMC Sierra 1500?

The 2015 GMC Sierra 1500 is a robust crew cab truck that combines power and versatility, making it a solid choice for both work and leisure. With a rear-wheel drive system and a 4.3L V6 engine producing 285 horsepower and 305 lb-ft of torque, this truck is designed to handle a variety of tasks, from towing to daily commuting. Its 20 MPG combined fuel efficiency is competitive for its class, and the spacious seating for six ensures comfort for both passengers and cargo. However, potential buyers should be aware of the vehicle's reliability score of 74.5/100, which indicates some areas for concern based on owner feedback and NHTSA complaint data.

Ideal For

This vehicle is best suited for individuals or families who require a reliable truck for both work and recreational activities, particularly those who appreciate spacious interiors and decent towing capabilities.

Strengths

  • +Spacious crew cab design accommodating up to six passengers
  • +Powerful 4.3L V6 engine with good towing capacity
  • +Competitive fuel efficiency for a full-size truck
  • +Versatile flex-fuel capability (unleaded/E85)
  • +Strong brand reputation for durability and reliability

Weaknesses

  • -Reported issues with service brakes and electrical systems
  • -Reliability score of 74.5/100 indicates potential concerns
  • -Higher incidence of complaints compared to some competitors
  • -Limited advanced safety features compared to newer models
  • -Potential for costly repairs based on common complaint data

Known Issues (NHTSA Data)

The 2015 GMC Sierra 1500 has a total of 909 complaints reported to the NHTSA, with notable issues surrounding service brakes, powertrain, and exterior lighting. Common mileage patterns suggest that service brake problems typically arise between 40,000-80,000 miles, while exterior lighting issues are prevalent in the early stages of ownership. While there are no deaths reported, the presence of 29 crash incidents and 14 fire incidents warrants caution for prospective buyers.

Complaint Patterns by Mileage
SERVICE BRAKES
40000-60000 mi
58 reports
EXTERIOR LIGHTING
0-20000 mi
47 reports
SERVICE BRAKES
60000-80000 mi
40 reports
SERVICE BRAKES
20000-40000 mi
25 reports
POWER TRAIN
0-20000 mi
22 reports
UNKNOWN OR OTHER
60000-80000 mi
16 reports
SERVICE BRAKES
80000-100000 mi
15 reports
ELECTRICAL SYSTEM
40000-60000 mi
12 reports
Top Complaint Areas
SERVICE BRAKES24% of complaints
POWER TRAIN10% of complaints
EXTERIOR LIGHTING10% of complaints
ELECTRICAL SYSTEM10% of complaints
ENGINE9% of complaints

Performance

Horsepower
355 hp
Torque
383 lb-ft
Engine
5.3 L
Cylinders
V8
Transmission
6-speed shiftable automatic
Drive Type
rear wheel drive

Efficiency

MPG Combined
–
Fuel Type
flex-fuel (unleaded/E85)

Dimensions

Length
201.2 in
Width
79.9 in
Height
74 in
Wheelbase
118.9 in
Curb Weight
4,522 lbs
Ground Clearance
–

Capacity

Doors
4
Seating
6
Cargo
–
Max Cargo
–
Max Towing
–
Max Payload
–

ddpc Estimated Value

$15,693
$13,339 – $18,047
60% from MSRP
Original MSRP: $38,965
Depreciation Over Time
New
5yr
10yr
11yr
15yr
ddpc Estimate based on original MSRP, standard depreciation curves, vehicle class, and NHTSA reliability data. Not a substitute for professional appraisal. Actual value depends on condition, mileage, location, and market conditions.

Estimated Cost of Ownership

Estimated Annual Cost
$5,461
Per Mile
$0.46
5-Year Total
$50,577
Fuel
$2,100/yr
Maintenance
$750/yr
Insurance
$2,611/yr
Depreciation
$4,654/yr
Based on industry-standard estimates for this vehicle class. Fuel cost assumes 12,000 mi/yr at national average gas prices. Maintenance uses class-based intervals, not manufacturer-specific schedules. Actual costs vary by location, driving habits, and vehicle condition.

Available Trims (8)

Sierra 1500
SLE 4dr Crew Cab 6.5 ft. SB (4.3L 6cyl 6A)
355 hp
rear wheel drive
$38,965
Sierra 1500
4dr Double Cab SB (4.3L 6cyl 6A)
355 hp
rear wheel drive
$30,695
Sierra 1500
SLT 4dr Double Cab SB (5.3L 8cyl 6A)
420 hp
rear wheel drive
$40,900
Sierra 1500
SLE 4dr Crew Cab 4WD 5.8 ft. SB (4.3L 6cyl 6A)
355 hp
four wheel drive
$42,635
Sierra 1500
Denali 4dr Crew Cab 5.8 ft. SB (5.3L 8cyl 6A)
420 hp
rear wheel drive
$49,665
Sierra 1500
Denali 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 6A)
420 hp
four wheel drive
$52,815
Sierra 1500
4dr Double Cab 4WD SB (4.3L 6cyl 6A)
355 hp
four wheel drive
$34,675
Sierra 1500
SLT 4dr Crew Cab 4WD 6.5 ft. SB (5.3L 8cyl 6A)
420 hp
four wheel drive
$46,810

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