Mercedes-Benz A-Class vs CLA-Class: Differences Explained

Choosing between the Mercedes-Benz A-Class and CLA-Class can be tricky—they share a platform, many components, and a lot of tech. But their designs, driving character, price, and practicality are different enough that picking the right one depends on what you value most in a luxury compact. This guide covers all the key differences in design, size, features, powertrain, comfort, and buying considerations for the latest model years.

Overview: What Are the A-Class and CLA?

• A-Class: Mercedes’ “gateway” sedan—entry-level, compact, efficient, and city-friendly. The A 220 Sedan is the most common US variant.
• CLA-Class: A sportier, more style-driven compact with a “four-door coupe” fastback design. It sits just above the A-Class in price and performance.

Design and Exterior Differences

Spec	A-Class Sedan	CLA-Class (4-Door Coupe)
Overall Length	179.1 in	184.6 in
Overall Width	70.7 in	72.0 in
Overall Height	56.9 in	56.7 in (lower, more “coupe-like”)
Wheelbase	107.4 in	107.4 in
Body Style	Traditional compact sedan Upright rear, more practical proportions	Sleek, sloped “four-door coupe” Sportier, lower roofline and aggressive rear

Key takeaway: The CLA is nearly 5.5 inches longer and over an inch wider, with a lower, sleeker silhouette. Its coupe-inspired design makes it stand out, while the A-Class offers a more traditional sedan profile, which benefits practicality.

Interior & Space: Comfort and Practicality

Spec	A-Class Sedan	CLA-Class
Front Headroom	40.3 in	38.5 in
Rear Headroom	37.1 in	35.7 in
Front Legroom	41.8 in	41.8 in
Rear Legroom	33.9 in	33.9 in
Trunk Capacity	8.6 cu ft	11.6 cu ft

• Rear seat: The A-Class is noticeably more comfortable for taller passengers in the rear. The CLA’s swooping roofline cuts rear headroom—fine for kids, but tall adults may feel cramped on longer trips.
• Trunk space: The CLA surprisingly offers a larger trunk due to its longer body.

Engine, Performance, and Driving Feel

Spec	A 220 Sedan (Base)	CLA 250 (Base)
Engine	2.0L Turbo Inline-4	2.0L Turbo Inline-4
Horsepower	188 hp	221 hp
Torque	221 lb-ft	258 lb-ft
Drivetrain	FWD or 4MATIC AWD	FWD or 4MATIC AWD
0–60 mph (est.)	~7.1 sec	~6.3 sec
Fuel Economy (mpg, combined)	28–29 mpg	27–28 mpg

• Driving feel: Both are agile and fun, but the CLA feels slightly sportier and quicker, especially in turbocharged form. Suspension tuning in the CLA is firmer for a more “athletic” feel.
• Performance trims: AMG variants (A35 AMG, CLA35 AMG, CLA45 AMG) are available in some years/markets—offering much higher performance, but the CLA is the only one with a true AMG 45 model.

Technology and Features

Both models share most of the same high-tech features and options, including:

• MBUX infotainment system with voice control
• Digital cockpit displays
• Advanced driver-assist (adaptive cruise, blind-spot, lane keep, etc.)
• Available ambient lighting, Burmester audio, wireless phone charging, etc.

Note: The CLA often comes with more standard features or makes certain options (like larger wheels, panoramic sunroof) available at lower trim levels, reflecting its more premium positioning.

Style, Image, and Market Positioning

• A-Class: More practical, straightforward, and “classic” sedan vibe. It appeals to buyers seeking Mercedes-Benz quality and tech at a more accessible price point. Great for city dwellers, commuters, and first-time luxury buyers.
• CLA: Sells itself on style and presence. With its coupe-like design, more aggressive stance, and a slightly more substantial look/feel, it targets younger buyers or those who want something a little more eye-catching and upscale. More of a “statement” car.

Pricing and Value

Model	Starting MSRP (2024)
A 220 Sedan	~$35,000
CLA 250 Coupe	~$43,000

• The CLA commands a significant price premium over the A-Class—reflecting its more upscale styling, higher standard power, and extra standard features.
• Both models have similar maintenance and warranty coverage.

Pros & Cons Summary Table

Model	Pros	Cons
A-Class	Most affordable Mercedes sedan Practical rear seats for tall adults Easy to park and maneuver Nearly all the same tech as CLA	Less horsepower in base trims Less visual “wow factor” Smaller trunk
CLA-Class	Sportier styling and stance More power, more premium feel Larger trunk Higher resale value	Tighter rear headroom Higher price for similar equipment Slightly stiffer ride

Which Should You Choose?

• Choose the A-Class if: you want an affordable entry into the Mercedes brand, need practical space for adults in the back, or do most of your driving in the city.
• Choose the CLA if: you prioritize style, performance, a larger trunk, and are willing to pay a premium for a car with more visual impact and a “coupe” vibe.

Both are excellent compact luxury cars. Your decision comes down to whether you want maximum practicality and value (A-Class) or are willing to pay more for style and a bit more punch (CLA).