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Mercedes B Class vs Lotus Emira comparison

Compare performance (238 HP vs 406 HP), boot space and price (33,100 £ vs 83,600 £ ) at a glance. Find out which car is the better choice for you – Mercedes B Class or Lotus Emira?

Mercedes B Class vs Lotus Emira: Key differences

Mercedes B Class

4.9 (6 Reviews)
rate
  • substantially cheaper
  • significantly more efficient
  • very slightly lighter
  • clearly more trunk space
details

Lotus Emira

  • significantly more power
  • 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 substantially cheaper – starting at 33,100 £ , while the Lotus Emira costs 83,600 £ . That’s a price difference of around 50,442 £.

Fuel consumption also shows a difference: the Mercedes B Class uses 5.1 L/100km and is significantly more efficient than the Lotus Emira with 9.2 L/100km. The difference is about 4.1 L/100km.

Emira

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Lotus Emira offers significantly more power – delivering 406 HP compared to 238 HP. That’s roughly 168 HP more horsepower.

When accelerating from 0 to 100 km/h, the Lotus Emira is considerably quicker – completing the sprint in 4 s, while the Mercedes B Class takes 6.5 s. That’s about 2.5 s quicker.

There’s also a difference in torque: the Lotus Emira delivers somewhat more torque with 480 Nm compared to 400 Nm. That’s about 80 Nm more.

B Class

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Mercedes B Class offers more seats – 5 vs 2.

In terms of curb weight, Mercedes B Class is very slightly lighter – 1,405 kg compared to 1,521 kg. The difference is around 116 kg.

Looking at boot space, the Mercedes B Class offers clearly more boot space – 455 L compared to 151 L. That’s a difference of about 304 L.

When it comes to payload, the Mercedes B Class carries considerably more – 550 kg compared to 230 kg. That’s a difference of about 320 kg.

Who wins the race in the data check?

The Mercedes B Class is clearly superior 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

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Mercedes B Class
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Mercedes B Class
Lotus Emira

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
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.

details
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18C0947_009
18C0953_005
18C0953_035
18C0947_044

Reviews Mercedes B Class

4.9 (6 Reviews)
rate
SiBa
31 Jul 2026, 14:51:34

We've been driving only the B180D automatic for 9 years — there's nothing better. Great on long trips; the next one will be another B180D automatic.

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

Lotus Emira

The Lotus Emira is a supremely alive sports coupe that blends razor‑sharp handling with enough everyday comfort to make it usable beyond the track. It looks gorgeous, sounds eager and delivers a focused, smile-inducing drive that will seduce enthusiasts and tempt sensible buyers alike.

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_LOT-3901
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Reviews Lotus Emira

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

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Mercedes B Class
Lotus Emira

Costs and Consumption
Price
33,100 - 52,500 £
Price
83,600 - 107,600 £
Consumption L/100km
5.1 - 6.9 L/100km
Consumption L/100km
9.2 - 11.3 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
133 - 156 g/km
co2
208 - 245 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
MPV
Body Type
Coupe
Seats
5
Seats
2
Doors
-
Doors
-
Curb weight
1,405 - 1,565 kg
Curb weight
1,521 - 1,533 kg
Trunk capacity
445 - 455 L
Trunk capacity
151 L
Length
-
Length
-
Width
1,796 mm
Width
1,895 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
515 - 550 kg
Payload
213 - 230 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel
Engine Type
Petrol
Transmission
Automatic
Transmission
Automatic, Manuel
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox, Manual Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
116 - 238 HP
Power HP
365 - 406 HP
Acceleration 0-100km/h
6.5 - 10 s
Acceleration 0-100km/h
4 - 4.8 s
Max Speed
-
Max Speed
-
Torque
200 - 400 Nm
Torque
420 - 480 Nm
Number of Cylinders
4
Number of Cylinders
4 - 6
Power kW
85 - 175 kW
Power kW
268 - 298 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
1,991 - 3,456 cm3

General
Model Year
2025
Model Year
2,023 - 2,025
CO2 Efficiency Class
D, E, F
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Lotus
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.