2025 BMW M3 CS Touring (G81) vs 2022 Mercedes AMG C 63 S E PERFORMANCE Estate (S206) vs 2023 Audi RS 6 Avant performance (C8) vs 2024 Audi RS 4 Avant edition 25 years (B9)

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SummaryPerformanceElectricEngineDrivetrainPracticality

BMW M3 CS Touring

(2025 - present)

...S Touring

Mercedes AMG C 63 S E PERFORMANCE Estate

(2022 - present)

...CE Estate

Audi RS 6 Avant performance

(2023 - 2025)

...rformance

Audi RS 4 Avant edition 25 years

(2024)

...25 years

Engine
3 L Inline 6 Bi-Turbo	2 L Inline 4 Turbo PHEV	4 L V8 Bi-Turbo MHEV	2.9 L V6 Bi-Turbo
Drivetrain
Front - 4WD	Front - AWD	Front - AWD	Front - AWD
Top Speed
186 mph	155 mph	174 mph	186 mph
Acceleration
3.5 sec	3.4 sec	3.4 sec	3.7 sec
Total Power
542 BHP	671 BHP	621 BHP	464 BHP
Economy
26.9 mpg	40.9 mpg	23.2 mpg	28.5 mpg
Kerb Weight
1,850 kg	2,145 kg	2,090 kg	1,745 kg
Luggage
500-1,510 L	490-1,510 L	548-1,658 L	495-1,495 L
Top Speed
186 mph / 300 Km/h	155 mph / 250 Km/h	174 mph / 280 Km/h	186 mph / 300 Km/h
0-62 mph
3.5 seconds	3.4 seconds	3.4 seconds	3.7 seconds
Power-to-Weight
293 BHP/Tonne / 3.41 kg/BHP	313 BHP/Tonne / 3.2 kg/BHP	297 BHP/Tonne / 3.37 kg/BHP	266 BHP/Tonne / 3.76 kg/BHP
Total Power
542 BHP / 550 ps	671 BHP / 680 ps	621 BHP / 630 ps	464 BHP / 470 ps
Total Torque
479 lb·ft / 650 N·m	752 lb·ft / 1,020 N·m	627 lb·ft / 850 N·m	443 lb·ft / 600 N·m
Economy
26.9 mpg	40.9 mpg	23.2 mpg	28.5 mpg
Total Range
349 Miles	449 Miles	372 Miles	363 Miles
E-Mode MPGe
	68 MPGe
E-Mode Range
	8 Miles
CO₂ Emissions
238 g/Km	156 g/Km	277 g/Km	224 g/Km
UK Tax Cost
£200	£200	£200	£200
Model Platform
3 Series (19-)	C-Class (21-)	A6 (18-25)	A4 (15-24)
Doors
5	5	5	5
Seats
5	5	5	5
Cargo Space
500-1,510 L	490-1,510 L	548-1,658 L	495-1,495 L
Turning Circle
12.6 m	12 m	12.1 m	12.5 m
Kerb Weight
1,850 kg	2,145 kg	2,090 kg	1,745 kg
Gross Weight
2,330 kg		2,740 kg	2,275 kg
Tow Capacity
	750-1,800 kg	750-2,100 kg
Length
4,796 mm	4,834 mm	4,995 mm	4,781 mm
Width
1,918 mm	1,896 mm	1,951 mm	1,866 mm
Height
1,447 mm	1,466 mm	1,487 mm	1,448 mm
Wheelbase
2,857 mm	2,875 mm	2,929 mm	2,831 mm
Front Track
1,623 mm	1,650 mm	1,668 mm	1,619 mm
Rear Track
1,605 mm	1,610 mm	1,650 mm	1,594 mm
Engine Name
S58B30	M139 E20
Configuration
Inline 6	Inline 4	V8	V6
Displacement
3 Litre / 2,993 cc	2 Litre / 1,991 cc	4 Litre / 3,996 cc	2.9 Litre / 2,894 cc
Peak Power
542 BHP / 550 ps	469 BHP / 476 ps	621 BHP / 630 ps	464 BHP / 470 ps
Peak Torque
479 lb·ft / 650 N·m	402 lb·ft / 545 N·m	627 lb·ft / 850 N·m	443 lb·ft / 600 N·m
Specific Output
181 BHP/L	236 BHP/L	155 BHP/L	160 BHP/L
Aspiration
Bi-Turbo	Turbo	Bi-Turbo	Bi-Turbo
Valvetrain
DOHC	DOHC	DOHC	DOHC
Valves/Cylinder
4 (24v Total)	4 (16v Total)	4 (32v Total)	4 (24v Total)
Fuel
Petrol	Petrol	Petrol	Petrol
Compression
9.3:1	10:1	9.7:1	10:1
Bore x Stroke
84 x 90 mm	83 x 92 mm	86 x 86 mm	84.5 x 86 mm
Fuel Delivery
Direct Injection	Direct + Port	Direct Injection	Direct Injection
Position
Front	Front	Front	Front
Orientation
Longitudinal	Longitudinal	Longitudinal	Longitudinal
Fuel Tank
59 L	50 L	73 L	58 L
Peak Power
	201 BHP / 204 ps	4 BHP / 4 ps
Peak Torque
	236 lb·ft / 320 N·m
Battery Size
	4.8 kWh (net) / 6.1 kWh (gross)	0.81 kWh
Efficiency
	59.4 kWh/100mi. / 36.9 kWh/100km
Driven Wheels
Rear-biased Part-time All (4WD)	All (AWD)	All (AWD)	All (AWD)
Front Tyres
275/35R19 Y	255/45 ZR19	275/35 ZR21	275/30 ZR20
Rear Tyres
285/30R20 Y	285/40 ZR19	275/35 ZR21	275/30 ZR20
Gearbox (AT)
8 Gears	9 Gears	8 Gears	8 Gears
Front Brakes
Vented Disc	Vented Disc	Vented Disc	Vented Disc
Rear Brakes
Vented Disc	Vented Disc	Vented Disc	Vented Disc
Front Suspension
MacPherson Strut	Double Wishbone	Multi-Link	Multi-Link
Rear Suspension
Multi-Link	Double Wishbone	Multi-Link	Multi-Link