Car comparison

Alpina B3 Touring (G21) · Facelift 2024 GT 3.0vsMercedes-Benz CLS Shooting Brake (X218) · Facelift 2014 AMG CLS 63 V8

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

Alpina B3 Touring (G21) · Facelift 2024

GT 3.0

529 hp2993 ccGasolineAWDAutomaticTwin-turboWagon / estate2024-present

Mercedes-Benz CLS Shooting Brake (X218) · Facelift 2014

AMG CLS 63 V8

557 hp5461 ccGasolineAWDAutomaticTwin-turboWagon / estate2014-2018

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Alpina B3 Touring (G21) Facelift 2024 GT 3.0

Quickest 0-100 km/h
3.5 s
Fastest top speed
305 km/h
190 mph
Highest torque
730 Nm
538 lb-ft
Lightest
1,870 kg
4,123 lb
Best power-to-weight
283 hp/t
211 kW/t
3.5 kg/hp
Lowest combined fuel consumption
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
Best overall score
89/100
Best performance score
91/100
Best economy score
78/100

Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 AMG CLS 63 V8

Most powerful
557 hp
415 kW
Best estimated range
623 km
387 mi
Largest trunk
590 L
Best practicality score
87/100

Specification comparison

Specification comparison
Model	AlpinaB3 Touring (G21)Facelift 2024GT 3.0	Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8
Power	529hp394kW	557hp415kW
Torque	730Nm538lb-ft	720Nm531lb-ft
Curb weight	1,870kg4,123lb	2,025kg4,464lb
Gross weight	2,430kg5,357lb	2,560kg5,644lb
Top speed	305 km/h 190 mph	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	74.5s99% target: 302 km/h / 188 mph Calculated	34.6s99% target: 257 km/h / 160 mph Calculated
0-100 km/h	3.5s	3.8s
0-200 km/h	12.0s	11.3s Calculated
0-60 mph	3.3s Calculated	3.6s Calculated
Fuel consumption	10.6L/100 km22.2mpg US26.6mpg UK	10.6L/100 km22.2mpg US26.6mpg UK
Fuel consumption city	-	14.4L/100 km16.3mpg US19.6mpg UK
Fuel consumption highway	-	8.4L/100 km28mpg US33.6mpg UK
Quarter mile	11.5s Calculated	11.6s Calculated
Power-to-weight	283hp/t211kW/t128hp/1000 lb Calculated	275hp/t205kW/t125hp/1000 lb Calculated
Torque-to-weight	390Nm/t261lb-ft/ton Calculated	356Nm/t238lb-ft/ton Calculated
Estimated range	557km346mi Calculated	623km387mi Calculated
Displacement	2,993cc183cu in	5,461cc333cu in
Length	4,725mm186in	4,953mm195in
Width	1,827mm72in	1,881mm74in
Height	1,438mm57in	1,419mm56in
Wheelbase	2,851mm112in	2,874mm113in
Front track	1,577mm62in	1,596mm63in
Rear track	1,572mm62in	1,629mm64in
Trunk volume	500L	590L
Max trunk volume	1,510L	1,550L
Doors	5	5
Seats	5	5
Fuel tank	59L	66L
CO2 emissions	-	248g/km

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

Alpina B3 Touring (G21) Facelift 2024 GT 3.0Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 AMG CLS 63 V8PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
AlpinaB3 Touring (G21)Facelift 2024GT 3.0	6,250-6,500 rpm	2,500-4,500 rpm	6,750 rpm
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8	5,500 rpm	1,750-5,250 rpm	5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	AlpinaB3 Touring (G21)Facelift 2024GT 3.0	Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8
	Acceleration checkpoints
0-60 mph 0-97 km/h	3.3 s	3.6 s
0-100 km/h 0-62 mph	3.5 s	3.8 s
0-200 km/h 0-124 mph	12.0 s	11.3 s
Top speed	305 km/h 190 mph	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Likely limited
	Drag race simulation
60 ft 18 m	1.8 s	2.1 s
330 ft 101 m	4.9 s	5.2 s
1/8 mile 201 m	7.4 s	7.7 s
1000 ft 305 m	9.7 s	9.8 s
1/4 mile 402 m	11.5 s	11.6 s
Trap speed 1/4 mile 402 m	196 km/h 122 mph	203 km/h 126 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
Vehicle	Value
AlpinaB3 Touring (G21)Facelift 2024GT 3.0	529 hp 394 kW
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8	557 hp 415 kW

Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 AMG CLS 63 V8 has 28 hp more than Alpina B3 Touring (G21) Facelift 2024 GT 3.0.

The biggest power difference is between Alpina B3 Touring (G21) Facelift 2024 GT 3.0 and Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 AMG CLS 63 V8: 28 hp (21 kW).

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
Vehicle	Value
AlpinaB3 Touring (G21)Facelift 2024GT 3.0	730 Nm 538 lb-ft
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8	720 Nm 531 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
Vehicle	Value
AlpinaB3 Touring (G21)Facelift 2024GT 3.0	1,870 kg 4,123 lb
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8	2,025 kg 4,464 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
Vehicle	Value
AlpinaB3 Touring (G21)Facelift 2024GT 3.0	305 km/h 190 mph
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
Vehicle	Value
AlpinaB3 Touring (G21)Facelift 2024GT 3.0	3.5 s
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8	3.8 s

Although Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 AMG CLS 63 V8 has more power, Alpina B3 Touring (G21) Facelift 2024 GT 3.0 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Alpina B3 Touring (G21) Facelift 2024 GT 3.0 and Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 AMG CLS 63 V8: 0.3 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
Vehicle	Value
AlpinaB3 Touring (G21)Facelift 2024GT 3.0	10.6 L/100 km 22.2 mpg US 26.6 mpg UK
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8	10.6 L/100 km 22.2 mpg US 26.6 mpg UK

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
Vehicle	Value
AlpinaB3 Touring (G21)Facelift 2024GT 3.0	283 hp/t 211 kW/t 3.5 kg/hp
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8	275 hp/t 205 kW/t 3.6 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
Vehicle	Value
AlpinaB3 Touring (G21)Facelift 2024GT 3.0	557 km 346 mi
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8	623 km 387 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
AlpinaB3 Touring (G21)Facelift 2024GT 3.0	529 hp 394 kW	3.5 s	305 km/h 190 mph
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8	557 hp 415 kW	3.8 s	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Vehicle

Performance score

Practicality score

AlpinaB3 Touring (G21)Facelift 2024GT 3.0

Power	529 hp 394 kW
0-100 km/h	3.5 s
Top speed 305 km/h 190 mph

Doors/seats	5 doors 5 seats
Trunk	500 L 17.7 cu ft
Length	4,725 mm 186.0 in
Height	1,438 mm 56.6 in

Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8

Power	557 hp 415 kW
0-100 km/h	3.8 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Doors/seats	5 doors 5 seats
Trunk	590 L 20.8 cu ft
Length	4,953 mm 195.0 in
Height	1,419 mm 55.9 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Vehicle

Performance score

Fuel economy score

AlpinaB3 Touring (G21)Facelift 2024GT 3.0

Power	529 hp 394 kW
0-100 km/h	3.5 s
Top speed 305 km/h 190 mph

10.6 L/100 km

22.2 mpg US

26.6 mpg UK

Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8

Power	557 hp 415 kW
0-100 km/h	3.8 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

10.6 L/100 km

22.2 mpg US

26.6 mpg UK

Alpina B3 Touring (G21) Facelift 2024 GT 3.0 is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
AlpinaB3 Touring (G21)Facelift 2024GT 3.0	10.6 L/100 km 22.2 mpg US 26.6 mpg UK	3.5 s
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8	10.6 L/100 km 22.2 mpg US 26.6 mpg UK	3.8 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
Vehicle	Power-to-weight, hp/t	Fuel consumption, L/100 km
AlpinaB3 Touring (G21)Facelift 2024GT 3.0	283 hp/t 211 kW/t 3.5 kg/hp	10.6 L/100 km 22.2 mpg US 26.6 mpg UK
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8	275 hp/t 205 kW/t 3.6 kg/hp	10.6 L/100 km 22.2 mpg US 26.6 mpg UK

Detailed score breakdown

Vehicle

AlpinaB3 Touring (G21)Facelift 2024GT 3.0

Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8

Power

529 hp

394 kW

557 hp

415 kW

Torque

730 Nm

538 lb-ft

720 Nm

531 lb-ft

Acceleration

3.5 s

3.8 s

Top speed

305 km/h

190 mph

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

Lightness

1,870 kg

4,123 lb

2,025 kg

4,464 lb

Fuel consumption

10.6 L/100 km

22.2 mpg US

26.6 mpg UK

10.6 L/100 km

22.2 mpg US

26.6 mpg UK

Practicality

Doors/seats	5 doors 5 seats
Trunk	500 L 17.7 cu ft
Length	4,725 mm 186.0 in
Height	1,438 mm 56.6 in

Doors/seats	5 doors 5 seats
Trunk	590 L 20.8 cu ft
Length	4,953 mm 195.0 in
Height	1,419 mm 55.9 in

Range score

557 km

346 mi

623 km

387 mi

CO2 score

248 g/km

Trunk score

500 L

17.7 cu ft

590 L

20.8 cu ft

Power-to-weight score

283 hp/t

211 kW/t

3.5 kg/hp

275 hp/t

205 kW/t

3.6 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
Vehicle	Alpina B3 Touring (G21) Facelift 2024 GT 3.0	Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 AMG CLS 63 V8
Consumption	10.6 L/100 km22.2 mpg US26.6 mpg UK	10.6 L/100 km22.2 mpg US26.6 mpg UK
Cost / 100 km	18.55 LC100 km	18.55 LC100 km
Cost / 100 mi	29.85 LC100 mi	29.85 LC100 mi
Annual fuel used	1,590 L420 US gal350 UK gal	1,590 L420 US gal350 UK gal
Annual fuel cost	2,783 LC/year	2,783 LC/year