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Mercedes B Class vs Tesla Roadster comparison

Compare performance (238 HP vs ), boot space and price (33,100 £ vs 184,300 £ ) at a glance. Find out which car is the better choice for you – Mercedes B Class or Tesla Roadster?

Mercedes B Class vs Tesla Roadster: Key differences

Mercedes B Class

4.9 (5 Reviews)
rate
  • clearly cheaper
  • clearly more trunk space
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Tesla Roadster

  • considerably quicker 0–100 km/h
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All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

Here’s where it gets real: The technical differences in detail

B Class

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Mercedes B Class is clearly cheaper – starting at 33,100 £ , while the Tesla Roadster costs 184,300 £ . That’s a price difference of around 151,156 £.

Roadster

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Seats: Mercedes B Class offers more seats – 5 vs 4.

Looking at boot space, the Mercedes B Class offers clearly more boot space – 455 L compared to 0 L. That’s a difference of about 455 L.

B Class

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When accelerating from 0 to 100 km/h, the Tesla Roadster is considerably quicker – completing the sprint in 2.1 s, while the Mercedes B Class takes 6.5 s. That’s about 4.4 s quicker.

There’s also a difference in torque: the Tesla Roadster delivers considerably more torque with 10,000 Nm compared to 400 Nm. That’s about 9,600 Nm more.

Who wins the race in the data check?

The Mercedes B Class is far ahead overall in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.

from £33,100
B Class

Mercedes B Class

  • Engine Type : Petrol MHEV, Diesel
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 116 - 238 HP
  • Consumption L/100km : 5.1 - 6.9 L/100km
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Frequently compared as well

Mercedes A Class
Mercedes B Class
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The Mercedes A‑Class is the sporty, tech‑savvy compact that thrills with sharp handling and a slick cockpit, while the Mercedes B‑Class trades a bit of attitude for towering practicality, roomier seats and a more useful boot. Choose the A‑Class if you want driving fun and style; pick the B‑Class if …
Mercedes B Class
Mercedes GLA
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The Mercedes B‑Class is the practical, airy people‑carrier that prioritises space and comfort, while the Mercedes GLA takes the same mechanical smarts and adds SUV looks, higher ride height and a touch more road presence. Pick the B‑Class for family‑friendly sense and efficiency, choose the GLA if …
Mercedes B Class
Tesla Roadster

Costs and Consumption
View detailed analysis

Dimensions and Body
View detailed analysis

Engine and Performance
View detailed analysis

Mercedes B Class

The Mercedes B-Class is a smart, grown-up compact people carrier that dresses everyday practicality in a near‑premium polish, perfect for buyers who want comfort and a classy badge without the theatrics. It won’t set your pulse racing on a back road, but it will make school runs, commutes and grocery hauls feel pleasantly civilized — a reliable, slightly posh companion for real life.

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Reviews Mercedes B Class

4.9 (5 Reviews)
rate
Peter
5 Mar 2026, 05:51:19

My wife and I have been driving a Mercedes W247 200d for seven years now, with 93,000 km on the clock. The car is very comfortable even on long trips and economical. At the last service the pads of the electric parking brake were replaced; otherwise no repairs. We love this car.

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

Tesla Roadster

The Roadster is a stunning embodiment of open-air driving, blending sleek design with exhilarating performance. With its sporty silhouette and agile handling, it offers an unmatched sense of freedom on the road. Enthusiasts revel in the combination of luxury and raw power, making every journey a memorable adventure.

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Reviews Tesla Roadster

No reviews yet. Share your experience and help others decide.

Frequently compared as well

BMW 2 Series Active Tourer
Mercedes B Class
VS
The BMW 2 Series Active Tourer and the Mercedes B‑Class are the two leading compact MPVs for buyers who need practical space without the bulk of an SUV. The 2 Series Active Tourer leans toward a driver-focused, sharper feel, while the B‑Class prioritizes passenger comfort, flexible packaging and a …
Mercedes B Class
VW Golf
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Unsure whether the Mercedes B Class or the VW Golf is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
Audi Q2
Mercedes B Class
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In the competitive compact SUV market, the Audi Q2 stands out with its bold design and sporty handling, appealing to those seeking a dynamic driving experience. In contrast, the Mercedes B-Klasse emphasizes practicality and comfort, offering a spacious interior and advanced technology features that …
Mercedes B Class
Mercedes GLB
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When pitting the Mercedes B-Class against the Mercedes GLB, one quickly notices the distinct personalities of these two models. The B-Class offers a compact, agile experience perfect for urban environments, while the GLB combines that agility with a more spacious, SUV-like presence, making it ideal …
Mercedes B Class
Volvo XC40
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In a head-to-head comparison, the Mercedes B-Klasse and Volvo XC40 each present unique appeals to different driving preferences. The Mercedes B-Klasse, with its refined elegance and advanced technology, offers a smooth ride and functional versatility ideal for families. On the other hand, the Volvo …
Hyundai IONIQ 5
Tesla Roadster
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Mercedes B Class
Nissan Qashqai
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The Mercedes B Class and Nissan Qashqai compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
Audi A3 Sportback
Mercedes B Class
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Audi A3 Sportback and Mercedes B Class go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
Mercedes B Class
Tesla Roadster

Costs and Consumption
Price
33,100 - 52,500 £
Price
184,300 £
Consumption L/100km
5.1 - 6.9 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
1,000 km
Battery Capacity
-
Battery Capacity
-
co2
133 - 156 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
MPV
Body Type
Roadster
Seats
5
Seats
4
Doors
-
Doors
2
Curb weight
1,405 - 1,565 kg
Curb weight
-
Trunk capacity
445 - 455 L
Trunk capacity
0 L
Length
-
Length
-
Width
1,796 mm
Width
-
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
515 - 550 kg
Payload
-

Engine and Performance
Engine Type
Petrol MHEV, Diesel
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
116 - 238 HP
Power HP
-
Acceleration 0-100km/h
6.5 - 10 s
Acceleration 0-100km/h
2.1 s
Max Speed
-
Max Speed
402 km/h
Torque
200 - 400 Nm
Torque
10,000 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
85 - 175 kW
Power kW
-
Engine capacity
1,332 - 1,991 cm3
Engine capacity
-

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
D, E, F
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
Tesla
What drivetrain options does the Mercedes B Class have?

Available configurations include Front-Wheel Drive or All-Wheel Drive.

DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. The displayed prices are estimates based on German list prices, adjusted to the respective country’s VAT. Country-specific registration taxes are not included. This information is not legally binding.