COMPARISON · THE SHOWDOWN
OPEN LABOR PROJECT
VEHICLE A
Volvo
S80
3.0L Turbo I6
AWD · automatic · gas
VS
VEHICLE B
2016
Volvo
S80
2.0L Drive-E turbocharged I4 (T5, 240 hp)
AWD · automatic · gas

Real labor data. Real maintenance costs. Real recall counts. No subscription, no paywall — free for every wrench-turner.

01

Specifications

Year
2015
2016
Engine
3.0L Turbo I6
2.0L Drive-E turbocharged I4 (T5, 240 hp)
Drivetrain
AWD
AWD
Transmission
automatic
automatic
Fuel
gas
gas
02

Powertrain

Engine output, acceleration, top speed, handling, braking — and Nürburgring if either car ran one.

Horsepower
300hp
hp
Torque
325lb-ft
lb-ft
0–60 mph
6.3s
Quarter Mile
14.8s @ 95 mph
Top Speed
130 mph
Skidpad
0.84 g
60–0 Braking
124 ft
70–0 Braking
Curb Weight
4,100 lb

Performance specs synthesized from manufacturer figures and instrumented magazine tests (Car and Driver, Motor Trend, Road & Track). MPG from EPA fueleconomy.gov. Numbers flagged as "low confidence" by AI generation are conservative estimates from related platforms.

03

Achilles' Heel

Engine-specific failure modes mechanics see in the bays — with probability, typical onset mileage, and fix cost. The data Mitchell and AllData hide behind paywalls.

VEHICLE A
Volvo S80
3.0L Turbo I6
6/10
1 catastrophic2 major2 moderate2 minor
The 3.0L T6 inline-six (SI6) is mechanically robust when maintained but has several Achilles heels. The timing belt is the elephant in the room—this is an interference engine and belt failure is catastrophic. The PCV system is the second-biggest issue, causing cascading problems (oil consumption, turbo damage, rough running). With religious maintenance (especially timing belt at 70-80k and PCV service), this engine can reach 200k+. Neglect any of the major items and you'll face expensive repairs or engine replacement. Overall reliability is average to slightly below average for a premium turbo six-cylinder of this era.
VEHICLE B
Volvo S80
2.0L Drive-E turbocharged I4 (T5, 240 hp)
Reliability data not yet generated
catastrophic100% probability
Timing Belt and Water Pump Failure
📏 70k–120k mi💵 $1,800–$3,500🏪 Shop only
This is an interference engine with a timing belt (not chain). If the belt fails, pistons strike valves causing catastrophic damage. Volvo's 10yr/150k interval is aggressive; many mechanics recommend 70-100k. Water pump is driven by timing belt and commonly fails during this service window, so replace both together.
Symptoms: no symptoms until failure · sudden engine death · bent valves · catastrophic engine damage if belt snaps
major65% probability
PCV System Oil Trap Clogging
📏 60k–120k mi💵 $400–$900🏪 Shop only
The PCV oil trap (breather box) on the T6 engine clogs with sludge, causing positive crankcase pressure. This forces oil past seals into the intake and combustion chambers. Can damage turbo seals and catalytic converters if ignored. Requires intake manifold removal for access.
Symptoms: rough idle · high oil consumption · white smoke from exhaust · oil in intake tubing · P0171/P0174 lean codes
major25% probability
Turbocharger Failure (Oil-Starved or PCV-Related)
📏 80k–150k mi💵 $2,000–$3,500🏪 Shop only
Turbo failures often stem from clogged PCV system forcing oil into turbo seals, or delayed oil changes starving the turbo bearings. Oil coking in feed lines is common. T6 turbos are integrated into exhaust manifold (expensive unit).
Symptoms: loss of power · blue smoke under boost · whining or grinding noise · P0299 underboost code · excessive oil consumption
moderate40% probability
Coolant Hose and Fitting Leaks
📏 80k–150k mi💵 $300–$800🔧 DIY-friendly
Multiple plastic coolant hoses, quick-connect fittings, and plastic expansion tank develop leaks over time. The turbo return coolant line and upper radiator hose connections are common failure points. Not catastrophic but can lead to overheating if ignored.
Symptoms: coolant smell · visible coolant leaks · low coolant warning · steam from engine bay · coolant residue on engine
moderate35% probability
VVT Solenoid and Cam Timing Issues
📏 70k–140k mi💵 $400–$1,200🏪 Shop only
Variable valve timing solenoids fail due to sludge buildup or electrical issues. Can cause timing chain tensioner concerns and rattling on cold starts. Often misdiagnosed; sometimes requires timing chain inspection if solenoid replacement doesn't resolve issue.
Symptoms: rough idle · reduced power · check engine light · P0011/P0021 cam timing codes · cold start rattle
minor50% probability
Engine Mounts Deterioration
📏 70k–120k mi💵 $600–$1,400🏪 Shop only
Hydraulic and rubber engine mounts wear out, causing noticeable vibration especially with turbo inline-six torque. Right-side mount fails most frequently. Deteriorated mounts stress other drivetrain components.
Symptoms: excessive vibration at idle · clunking during acceleration/deceleration · engine movement visible from engine bay
minor30% probability
Ignition Coil Failure
📏 60k–120k mi💵 $300–$600🔧 DIY-friendly
Individual coil-on-plug ignition coils fail over time, causing misfires. Common on I6 engines due to heat cycling. Usually fails one at a time but best practice is to replace all six.
Symptoms: misfire · rough idle · check engine light · P0300-P0306 misfire codes · reduced power
Reliability data pending.

Reliability scores and issue probabilities are synthesized from manufacturer TSBs, NHTSA complaints, forum-documented patterns, and instrumented technician reports. Treat as informed estimates, not guarantees — individual vehicles vary widely with maintenance history.

04

Cost of Ownership

★ WINNER
5-Year Maintenance
$15,866
0.26 $/mi
5-Year Maintenance
$17,343
0.29 $/mi
🏆
ADVANTAGEVolvo S80Saves you $1,477 over 5 years (9% less in routine maintenance labor)

Routine maintenance only. Cost = labor hours × $150/hr × estimated 5-yr frequency. Parts cost not included.

05

Maintenance Breakdown

Hours per common service. Lower is faster (and cheaper) at the shop.

Catastrophic Engine Failure on 2.0L T5 (Piston Ring and Bearing Failure)
hrs
hrs$3,500 / 5yr
3.0L T6 Engine Internal Failure (Piston/Ring/Bearing Damage)
hrs$3,238 / 5yr
hrs
Oil & filter change
0.5 hrs$1,380 / 5yr
0.5 hrs$1,380 / 5yr
Tire rotation
0.5 hrs$600 / 5yr
0.5 hrs$600 / 5yr
Timing Chain and Tensioner Issues (3.0L T6 Engine)
hrs
hrs$1,138 / 5yr
Differential fluid
1.5 hrs$530 / 5yr
1.5 hrs$530 / 5yr
Transmission Oil Cooler Failure Leading to Catastrophic Transmission Damage
hrs
hrs$1,040 / 5yr
Rear brake pads
1.2 hrs$500 / 5yr
1.2 hrs$500 / 5yr
Timing Belt and Water Pump (3.2L I6)
hrs$975 / 5yr
hrs
Front brake pads
1.0 hrs$460 / 5yr
1.0 hrs$460 / 5yr
Front Lower Control Arm Bushing Deterioration
hrs
hrs$715 / 5yr
Spark plugs
1.8 hrs$350 / 5yr
1.8 hrs$350 / 5yr
Transmission Oil Cooler Failure and Contamination
hrs$650 / 5yr
hrs
Intake manifold gasket
6.5 hrs$320 / 5yr
6.5 hrs$320 / 5yr
Timing belt service
hrs
7.5 hrs$610 / 5yr
Fuel filter
0.8 hrs$300 / 5yr
0.8 hrs$300 / 5yr
Water pump
4.5 hrs$278 / 5yr
4.5 hrs$278 / 5yr
Brake fluid flush
0.8 hrs$270 / 5yr
0.8 hrs$270 / 5yr
12V battery
0.4 hrs$260 / 5yr
0.4 hrs$260 / 5yr
Cabin air filter
0.4 hrs$255 / 5yr
0.4 hrs$255 / 5yr
Transmission Mounts (Engine and Trans Mount Collapse)
hrs$488 / 5yr
hrs
Wiper blades
0.2 hrs$240 / 5yr
0.2 hrs$240 / 5yr
Coolant flush
1.2 hrs$230 / 5yr
1.2 hrs$230 / 5yr
Oil pan gasket
5.2 hrs$208 / 5yr
5.2 hrs$208 / 5yr
PCV System Oil Trap Clogging
hrs$358 / 5yr
hrs
Transmission Mount Failure
hrs
hrs$358 / 5yr
Valve cover gasket
2.5 hrs$174 / 5yr
2.5 hrs$174 / 5yr
Alternator
2.5 hrs$169 / 5yr
2.5 hrs$169 / 5yr
Fuel Filter Clogging (T6 models)
hrs$315 / 5yr
hrs
Engine air filter
0.3 hrs$150 / 5yr
0.3 hrs$150 / 5yr
Serpentine belt
0.7 hrs$140 / 5yr
0.7 hrs$140 / 5yr
Power steering flush
0.7 hrs$125 / 5yr
0.7 hrs$125 / 5yr
Starter motor
2.5 hrs$115 / 5yr
2.5 hrs$115 / 5yr
PCV valve
0.5 hrs$95 / 5yr
0.5 hrs$95 / 5yr
Thermostat
1.5 hrs$93 / 5yr
1.5 hrs$93 / 5yr
Coolant Expansion Tank Cracking
hrs
hrs$140 / 5yr
06

Active Recalls

Open NHTSA Recalls
2
2 open
Open NHTSA Recalls
2
2 open
07

Fluid Capacities

Volvo S80
ac_refrigerant · R-134a
brake1.00 qt · FMVSS 116 DOT 4
coolant10.50 qt · Volvo 31439925
engine_oil7.40 qt · ACEA A5/B5, Volvo VCC RBS0-2AE
front_diff1.50 qt · API GL-5
power_steering · none — electric power steering
rear_diff1.30 qt · API GL-5 LS
transfer_case0.80 qt · Haldex Gen 4 fluid
transmission_auto8.50 qt · JWS 3324
washer4.20 qt · windshield washer fluid
Volvo S80
ac_refrigerant · R-1234yf
brake1.00 qt · FMVSS 116 DOT 4
coolant10.50 qt · Volvo 31439925
engine_oil7.40 qt · ACEA A5/B5, Volvo VCC RBS0-2AE
front_diff1.50 qt · API GL-5
power_steering · none — electric power steering
rear_diff1.30 qt · API GL-5 LS
transfer_case0.80 qt · Haldex Gen 4 fluid
transmission_auto8.50 qt · JWS 3324
washer4.20 qt · windshield washer fluid
08

The Verdict

🏆
THE WINNER
2015 Volvo S80
3.0L Turbo I6
  • Volvo S80 is cheaper to maintain (saves ~$1,477 over 5 years)

Based on objective maintenance and recall data. Driving feel, looks, brand loyalty, and ownership experience are separate (and very valid) considerations.

Open the full dashboard for either truck

Labor times, torque specs, fluid capacities, DTC codes, repair procedures, recalls, common platform problems.