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Head-to-head

2027 Aston Martin DB12 S vs 2027 Mercedes-Benz C-Class

The Mercedes-Benz C-Class wins clearly, 100 to 82.3, on fuel & range.

A*

2027 Aston Martin DB12 S

The 2027 Aston Martin DB12 S is sold in the U.S. as a gas coupe. The most efficient version, the DB12 S, is EPA-rated at 17 mpg combined. NHTSA lists no recall …

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A

2027 Mercedes-Benz C-Class

The 2027 Mercedes-Benz C-Class is sold in the U.S. as a hybrid compact sedan with 2 EPA-rated configurations. The most efficient version, the C300, is EPA-rated…

Verdict · default weights

2027 Mercedes-Benz C-Class

Clear win

The Mercedes-Benz C-Class wins clearly, 100 to 82.3, on fuel & range.

Fuel & range 2027 Mercedes-Benz C-Class leads by 41.3
Category · weight2027 Aston Martin DB12 Soverall 82.32027 Mercedes-Benz C-Classoverall 100
Pricenot comparedSpecs not availableSpecs not available
Fuel & rangew 358.7100
Safetyw 4100100
Space & cargonot comparedSpecs not availableSpecs not available
Performancenot comparedSpecs not availableSpecs not available
Tech & comfortnot comparedSpecs not availableSpecs not available
Warrantynot comparedSpecs not availableSpecs not available
Overall82.3100

Safety-only comparison · 2 of 7 categories compared · specs not available for Mercedes-Benz C-Class

Aston Martin DB12 S: base trim DB12 S RWD · Mercedes-Benz C-Class: safety only (EPA and NHTSA record; specs not available). Pick a trim in the tool to compare any other trim.

Change what matters to you →Scores are 0–100 per category from the data on this page. The weights are yours to set.

Where the gap is

the biggest differences, from the scorecard's own numbers

Where the 2027 Mercedes-Benz C-Class wins

  • It is rated 29 combined against 17 (EPA mpg or MPGe).
  • It costs $2,000 a year less to fuel on the EPA's estimate ($2,850 against $4,850).

What they share

  • A Safety Signal of 100.

Ranked by how far apart the two score on each measure, so a price gap and a horsepower gap are compared on the same scale. Every figure is on this page.

Specifications side by side

30 specs · manufacturer press kits
SpecAston Martin DB12 SDB12 S RWDMercedes-Benz C-Class
Engine Basics
Aspirationtwin turbo—
Cylinder count8—
Engine displacement4,000 cc—
Engine type (full description)All-alloy quad overhead cam 4.0 litre twin-turbo V8—
Fuel injection systemgdi mpi—
Engine Output
Horsepower690 hp—
Torque590 lb-ft—
Fuel Economy
MPG (combined)23.7 mpg—
Transmission
Final drive ratio3.083:1—
Transmission speeds8—
Transmission typeautomatic—
Dimensions Exterior
Ground clearance4.7 in—
Overall height50.8 in—
Overall length186 in—
Overall width78 in—
Wheelbase110 in—
Seating
Passenger seating capacity4—
Suspension
Front suspension typeIndependent double wishbone with coil springs and anti-roll bar—
Rear suspension typeMulti-link with coil springs and anti-roll bar—
Steering
Steering typeVariable electric power assistance rack and pinion (EPAS)—
Turning radius (curb-to-curb)20.3 ft—
Brakes
Front brake diameter410 mm—
Front brake typeventilated disc—
Parking brake typeElectric—
Rear brake diameter360 mm—
Rear brake typeCarbon ceramic disc with four-piston calipers—
Wheels
Wheel diameter21 in—
Wheel materialforged alloy—
Tires
Tire sizeFront 275/35ZR21; Rear 325/30ZR21—
Fuel System
Fuel tank capacity20.5 gal—

Green marks the better value where the direction is unambiguous (more room, more power, lower price). Blank rows are specs the press kit does not publish.

Equipment, feature by feature

111 features · differences first, then shared

Safety29 differ · 29 listed

FeatureAston Martin DB12 SDB12 S RWDMercedes-Benz C-Class
Adaptive Cruise Control Stop & Go (ACC) std—
3D Surround View System (3D SVS) std—
Forward Collision warning (FCW) std—
Rear Cross Traffic Assist (RCTA) std—
Airbags - Driver & front passenger, with passenger deactivation std—
Lane Depature Warning (LDW) std—
Lane Keep Assist (LKA) std—
Driver Attention Assist (DAA) std—

Infotainment12 differ · 12 listed

FeatureAston Martin DB12 SDB12 S RWDMercedes-Benz C-Class
SOS Emergency Call (EU / Rus only) std—
10.25" TFT driver information display std—
10.25" TFT Touch Screen Central Display std—
390-watt 11 Speaker Aston Martin Audio System std—
AM/FM/HD/DAB radio std—
Apple CarPlay Ultra® std—
Bluetooth mobile phone connectivity with audio streaming std—
Natural Voice control std—

Convenience4 differ · 4 listed

FeatureAston Martin DB12 SDB12 S RWDMercedes-Benz C-Class
12v charging socket std—
Keyless entry with remote central locking std—
Keyless start/stop button std—
Electric windows std—

Climate1 differ · 1 listed

FeatureAston Martin DB12 SDB12 S RWDMercedes-Benz C-Class
Automatic 2-zone climate control std—

Seating1 differ · 1 listed

FeatureAston Martin DB12 SDB12 S RWDMercedes-Benz C-Class
Heated seats std—

Interior15 differ · 15 listed

FeatureAston Martin DB12 SDB12 S RWDMercedes-Benz C-Class
Auto-dimming interior rear view mirror std—
"Made in Great Britain" engine inspection plaque std—
Ambient lighting std—
Anodised aluminium sill plaques with Aston Martin wings std—
Cabin courtesy lighting std—
Carpeted cabin std—
Door integrated puddle lighting std—
Door sill plaques - anodised with 'Aston Martin' wings std—

Exterior22 differ · 22 listed

FeatureAston Martin DB12 SDB12 S RWDMercedes-Benz C-Class
21" Forged Alloy Wheels std—
6-Vane metal grille std—
Bi-LED headlights std—
Black bonnet mesh std—
Bright Chrome exhaust finishers std—
Bright Chrome side strakes std—
Deployable spoiler with Aston Martin Aeroblade™ system std—
Extruded Bonded Aluminium Body Structure with Composite Panels std—

Powertrain16 differ · 16 listed

FeatureAston Martin DB12 SDB12 S RWDMercedes-Benz C-Class
4 driver selectable powertrain calibrations (GT, Sport, Sport +, Wet) std—
Acceleration: 0-62 (0-100km/h) in 3.5 seconds std—
All-alloy quad overhead cam, 4.0 litre twin-turbo V8 std—
Alloy torque tube with carbon fibre propeller shaft std—
Compression Ratio 8.6 std—
Direct Injection - Sequential electronic fuel injection std—
Dual Twin Scroll Turbochargers (one per bank) std—
Electronic differential (E-Diff) std—

Chassis11 differ · 11 listed

FeatureAston Martin DB12 SDB12 S RWDMercedes-Benz C-Class
2.375 turns lock-to-lock std—
Adaptive Damping System (ADS) std—
Electric park brake std—
Front independent double wishbone design coil springs and anti-roll bar std—
Front ventilated two-piece carbon ceramic brake discs Ø410 X 38mm with six-piston calipers std—
Intelligent DTX Dampers utilising Skyhook Technology std—
Non-Isolated steering column std—
Rear carbon ceramic brake discs Ø360 x 38mm with four-piston calipers std—

Highlighted rows are where the two differ. Wording is the manufacturer's own.

Safety record

NHTSA recalls, complaints, NCAP

Aston Martin DB12 S

Safety Signal 100 A
NHTSA overall —
Frontal / side / rollover — / — / —
Recalls 0
Owner complaints —

Top recalls

No recalls on file.

Mercedes-Benz C-Class

Safety Signal 100 A
NHTSA overall —
Frontal / side / rollover — / — / —
Recalls 0
Owner complaints —

Top recalls

No recalls on file.

Ownership

EPA, manufacturer warranty
Aston Martin DB12 SDB12 S RWDMercedes-Benz C-Class
Price— (base trim)—
Price range across trims— 1 trims—
PowertrainsGASHEV
EPA configuration comparedDB12 SC300
Combined mpg / MPGe1729
EPA annual fuel cost$4,850$2,850
EV range——
Basic warranty——
Powertrain warranty——
Roadside assistance——

Common questions

Source: EPA, NHTSA and manufacturer press kits

Which is better, the 2027 Aston Martin DB12 S or the 2027 Mercedes-Benz C-Class?

The Mercedes-Benz C-Class wins clearly, 100 to 82.3, on fuel & range. On WhichTrim's default weights the 2027 Mercedes-Benz C-Class scores 100 and the 2027 Aston Martin DB12 S 82.3. The weights are yours to change — move what you care about and the verdict recalculates on the page.

Which has the better safety record, the 2027 Aston Martin DB12 S or the 2027 Mercedes-Benz C-Class?

2027 Aston Martin DB12 S: no NHTSA rating yet, grade A, 0 recalls. 2027 Mercedes-Benz C-Class: no NHTSA rating yet, grade A, 0 recalls. Crash ratings come from NHTSA's own tests; the grade is WhichTrim's read of the recall record, and the two can disagree.

What are the biggest differences between the 2027 Aston Martin DB12 S and the 2027 Mercedes-Benz C-Class?

Where the 2027 Mercedes-Benz C-Class wins: it is rated 29 combined against 17 (EPA mpg or MPGe) and costs $2,000 a year less to fuel on the EPA's estimate ($2,850 against $4,850). What they share: a Safety Signal of 100.