VS
At a Glance
Power
315hp @ 5000
416hp @ 6750
Torque
350lb-ft @ 3000
369lb-ft @ 3000
Fuel
24 mpg est.
24 mpg est.
Engine
2.3 L/140ci
2.0 L/121ci
Choosing between the Ford Mustang and the Mercedes-Benz Sl Class is one of the most common decisions car buyers in the United States face. The Ford Mustang delivers 315hp @ 5000 while the Mercedes-Benz Sl Class produces 416hp @ 6750. On fuel, the Mustang returns 24 mpg est. while the Sl Class uses 24 mpg est. — important in a market where fuel prices change monthly. Pricing starts at $41,845 for the Mustang and $112,550 for the Sl Class. Both vehicles have their merits. The right choice depends on your priorities: fuel economy, performance, towing ability, safety features or total cost of ownership. This comparison covers every specification available so you can make an informed decision.
Specification
Ford MustangEcoBoost Premium Convertible 2026 - From $41,845
Mercedes-Benz Sl ClassAMG SL 43 Roadster 2026 - From $112,550
Performance
Power Output (hp)
315hp @ 5000
416hp @ 6750
Torque (lb-ft)
350lb-ft @ 3000
369lb-ft @ 3000
Engine & Drivetrain
Engine Capacity
2.3 L/140ci
2.0 L/121ci
Cylinders
4
4
Fuel Type
Gasoline
—
Forced Induction Device
Turbocharged
Turbocharged
Transmission
Automatic w/OD
Automatic
Drive Wheels
Rear Wheel Drive
Rear Wheel Drive
Fuel Economy
Fuel Economy (Combined, est.)
24 mpg est.
24 mpg est.
Fuel Economy - City (mpg)
20 (2025)mpg
20 (2025)mpg
Fuel Economy - Highway (mpg)
28 (2025)mpg
27 (2025)mpg
Fuel Tank Capacity (gal)
16gal
18.5gal
Dimensions
Length (in)
189.4in
185.2in
Width (in)
75.4in
75.4in
Height (in)
54.8in
53.5in
Wheelbase (in)
107in
106.3in
Curb Weight (lbs)
3747lbs
3825lbs
Safety
ABS
✓ Standard
✓ Standard
Brake Assist
✓ Standard
✓ Standard
Stability Control
✓ Standard
✓ Standard
Traction Control
✓ Standard
✓ Standard
Driver Airbag
✓ Standard
✓ Standard
Passenger Airbag
✓ Standard
✓ Standard
Side Airbags Front
✓ Standard
✓ Standard
Curtain Airbags
—
✓ Standard
Features & Tech
Air Conditioning
✓ Standard
✓ Standard
Climate Control
✓ Standard
✓ Standard
Cruise Control
✓ Standard
✓ Standard
Adaptive Cruise Control
✓ Standard
✓ Standard
Bluetooth
✓ Standard
✓ Standard
Backup Camera
✓ Standard
✓ Standard
Rear Parking Aid
✓ Standard
✓ Standard
Heated Seats
✓ Standard
✓ Standard
Power Seat Adjustment
✓ Standard
✓ Standard
Keyless Entry
✓ Standard
✓ Standard
Alloy Wheels
✓ Standard
✓ Standard
The Verdict
Which Wins?
Overall Winner
Tie
1 / 4 categories
Performance
Sl Class
Fuel Economy
Tied
Value
Mustang
Practicality
Tied
Pros & Cons
Ford Mustang
Lower starting price ($41,845)
Few notable weaknesses
Mercedes-Benz Sl Class
Well-rounded specification
Higher starting price
Frequently Asked Questions
Which is more fuel efficient, the Mustang or Sl Class?
The Mustang gets 24 mpg est. and the Sl Class gets 24 mpg est. on the combined cycle. The Sl Class is the more fuel-efficient choice. In real-world conditions with a mix of highway and urban driving, actual figures will be slightly higher.
Which has more power, the Mustang or Sl Class?
The Mustang produces 315hp @ 5000 and 350lb-ft @ 3000 of torque while the Sl Class delivers 416hp @ 6750 and 369lb-ft @ 3000 of torque. The Sl Class is the more powerful option.
What is the price difference between the Mustang and Sl Class?
The Mustang starts from $41,845 and the Sl Class from $112,550. The Mustang is cheaper by $70,705 at this variant level. Final on-the-road pricing varies by dealer and specification.
Should I buy the Mustang or the Sl Class?
It depends on your priorities. If fuel economy matters most, check the mpg figures above. If you need towing capacity, compare the towing ratings. For day-to-day driving - commutes, school runs and highway trips - consider ground clearance, service network coverage, and total cost of ownership including insurance and maintenance. Use the spec tables above to compare every detail before making your decision.
Also Consider