BMW I7 Xdrive 60 M Sport (g70) 2022 vs Mercedes-AMG S-Class AMG S63 E 2024

Q: Which is more fuel efficient, the I7 or S-Class?

The I7 uses 18.4-19.6 kWh/100km l/100km and the S-Class uses 4.6 when hybrid battery charged / 11.8 wL/100km on the combined cycle. The S-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.

Q: Which has more power, the I7 or S-Class?

The I7 produces 400 kW and 745 Nm of torque while the S-Class delivers 590 kW and 1430 Nm of torque. The S-Class is the more powerful option.

Q: What is the price difference between the I7 and S-Class?

The I7 starts from R3 028 000 and the S-Class from R4 609 291. The I7 is cheaper by R1 581 291 at this variant level. Final on-the-road pricing varies by dealer and specification.

Q: Which has a higher towing capacity, the I7 or S-Class?

The I7 has a braked towing capacity of 2000 Kg and the S-Class can tow 0 Kg. Always verify towing limits in the owner's manual before hitching a trailer.

BMW I7

Xdrive 60 M Sport (g70)

From R3 028 000

View Full Specs →

Mercedes-AMG S-Class

AMG S63 E

From R4 609 291

View Full Specs →

At a Glance

Power

400 kW

590 kW

Torque

745 Nm

1430 Nm

Fuel

18.4-19.6 kWh/100km l/100km

4.6 when hybrid battery charged / 11.8 wL/100km

Towing

2000 Kg

0-100 km/h

4.7 s

3.3 s

Engine

electric cc

3982 cc

Choosing between the BMW I7 and the Mercedes-AMG S-Class is one of the most common decisions car buyers in South Africa face. The BMW I7 delivers 400 kW while the Mercedes-AMG S-Class produces 590 kW. On fuel, the I7 returns 18.4-19.6 kWh/100km l/100km while the S-Class uses 4.6 when hybrid battery charged / 11.8 wL/100km — important in a market where fuel prices change monthly. Pricing starts at R3 028 000 for the I7 and R4 609 291 for the S-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.

Performance

Power Output

400 kW

590 kW

Torque

745 Nm

1430 Nm

0-100 kph

4.7 s

3.3 s

Top Speed

240 Km/h

250 Km/h

Engine & Drivetrain

Engine Capacity

electric cc

3982 cc

Engine Layout

—

Cylinders

—

Fuel Type

electric

petrol-electric hybrid

Forced Induction Device

—

turbocharger

Transmission

automatic

Number of Gears

Drive Wheels

all

Full Time 4x4

✓ Standard

Fuel Economy

Fuel Consumption Average

18.4-19.6 kWh/100km l/100km

4.6 when hybrid battery charged / 11.8 wL/100km

Fuel Tank Capacity

102 kWh l

76 l

CO2 Emissions

104-114 when hybrid battery charged / 26g/km

Dimensions

Length

5391 mm

5336 mm

Width

1950-2192 mm

1954-2130 mm

Height

1544 mm

1515 mm

Wheelbase

3215 mm

3216 mm

Ground Clearance

136 mm

—

Kerb Weight

2640 DIN / 2715 EU Kg

2520 DIN / 2595 EU Kg

Doors

Seats

5 (opt 4)

Load Volume

500 l

305 l

Towing & Payload

Towing Capacity

2000 Kg

Load Capacity

610 lkg

550 lkg

Safety

ABS

✓ Standard

EBD

✓ Standard

Brake Assist

✓ Standard

Stability Control

✓ Standard

Traction Control

✓ Standard

Airbag Count

7 (opt 9 / opt 11)

Driver Airbag

✓ Standard

Passenger Airbag

✓ Standard

Side Airbags Front

✓ Standard

Curtain Airbags

✓ Standard

Features & Tech

Air Conditioning

✓ Standard

Climate Control

✓ Standard

Cruise Control

✓ Standard

Adaptive Cruise Control

✓ Standard

Bluetooth

✓ Standard

Satellite Navigation

✓ Standard

Reversing Camera

✓ Standard

Park Distance Rear

✓ Standard

Park Distance Front

✓ Standard

Sunroof

✓ Standard

Heated Seats

✓ Standard

Keyless Entry

✓ Standard

Tow Bar

Optional

Alloy Wheels

✓ Standard

Warranty & Service

Warranty Period

2 vehicle / 8 battery

Warranty Distance

unlimited vehicle / 100000 battery Km

unlimited Km

Service Intervals

service interval indicator

The Verdict

Which Wins?

Overall Winner

Tie

2 / 4 categories

Performance

S-Class

Fuel Economy

S-Class

Value

Practicality

Pros & Cons

BMW I7

+Lower starting price (R3 028 000)

+Higher towing capacity (2000 Kg)

-Less power than rival (400 kW vs 590 kW)

Mercedes-AMG S-Class

+More powerful engine (590 kW)

+Quicker 0-100 km/h (3.3 ss)

-Higher starting price

Frequently Asked Questions

Which is more fuel efficient, the I7 or S-Class?

The I7 uses 18.4-19.6 kWh/100km l/100km and the S-Class uses 4.6 when hybrid battery charged / 11.8 wL/100km on the combined cycle. The S-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 I7 or S-Class?

The I7 produces 400 kW and 745 Nm of torque while the S-Class delivers 590 kW and 1430 Nm of torque. The S-Class is the more powerful option.

What is the price difference between the I7 and S-Class?

The I7 starts from R3 028 000 and the S-Class from R4 609 291. The I7 is cheaper by R1 581 291 at this variant level. Final on-the-road pricing varies by dealer and specification.

Which has a higher towing capacity, the I7 or S-Class?

The I7 has a braked towing capacity of 2000 Kg and the S-Class can tow 0 Kg. Always verify towing limits in the owner's manual before hitching a trailer.

Should I buy the I7 or the S-Class?

It depends on your priorities. If fuel economy matters most, check the L/100km figures above. If you need towing capacity, compare the towing ratings. For day-to-day South African driving - load shedding runs, potholed roads, school runs and highway commutes - 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.

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