Car comparison

AUDI RS6 Avant (C8) GT 4.0 TFSI V8vsAlpina B3 Touring (G21) · Facelift 2024 GT 3.0

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

New comparison

AUDI RS6 Avant (C8)

GT 4.0 TFSI V8

630 hp3996 ccGasolineAWDAutomaticTurbochargedWagon / estate2024-2025
VS

Alpina B3 Touring (G21) · Facelift 2024

GT 3.0

529 hp2993 ccGasolineAWDAutomaticTwin-turboWagon / estate2024-present

Comparison overview

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

Best choices

AUDI RS6 Avant (C8) GT 4.0 TFSI V8

  • Quickest 0-100 km/h
    3.3 s
  • Fastest top speed
    305 km/h
    190 mph
  • Most powerful
    630 hp
    470 kW
  • Highest torque
    850 Nm
    627 lb-ft
  • Best power-to-weight
    304 hp/t
    226 kW/t
    3.3 kg/hp
  • Best estimated range
    575 km
    357 mi
  • Largest trunk
    548 L
  • Best overall score
    89/100
  • Best practicality score
    86/100

Specification comparison

Specification comparison
ModelAUDIRS6 Avant (C8)GT 4.0 TFSI V8AlpinaB3 Touring (G21)Facelift 2024GT 3.0
Power
630hp470kW
529hp394kW
Torque
850Nm627lb-ft
730Nm538lb-ft
Curb weight
2,075kg4,575lb
1,870kg4,123lb
Gross weight
2,740kg6,041lb
2,430kg5,357lb
Top speed
305 km/h
190 mph
305 km/h
190 mph
To 99% top speed
39.1s99% target: 302 km/h / 188 mph
Calculated
74.5s99% target: 302 km/h / 188 mph
Calculated
0-100 km/h
3.3s
3.5s
0-200 km/h
8.9s
Calculated
12.0s
0-60 mph
3.2s
Calculated
3.3s
Calculated
Fuel consumption
12.7L/100 km18.5mpg US22.2mpg UK
10.6L/100 km22.2mpg US26.6mpg UK
Quarter mile
10.8s
Calculated
11.5s
Calculated
Power-to-weight
304hp/t226kW/t138hp/1000 lb
Calculated
283hp/t211kW/t128hp/1000 lb
Calculated
Torque-to-weight
410Nm/t274lb-ft/ton
Calculated
390Nm/t261lb-ft/ton
Calculated
Estimated range
575km357mi
Calculated
557km346mi
Calculated
Displacement
3,996cc244cu in
2,993cc183cu in
Length
5,018mm198in
4,725mm186in
Width
1,951mm77in
1,827mm72in
Height
1,513mm60in
1,438mm57in
Wheelbase
2,934mm116in
2,851mm112in
Front track-
1,577mm62in
Rear track-
1,572mm62in
Trunk volume
548L
500L
Max trunk volume
1,658L
1,510L
Doors
5
5
Seats
5
5
Fuel tank
73L
59L

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.

AUDI RS6 Avant (C8) GT 4.0 TFSI V8Alpina B3 Touring (G21) Facelift 2024 GT 3.0PowerTorque
  • AUDI RS6 Avant (C8) GT 4.0 TFSI V8: Power / Torque
  • Alpina B3 Touring (G21) Facelift 2024 GT 3.0: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIRS6 Avant (C8)GT 4.0 TFSI V86,000 rpm2,300-4,500 rpm6,250 rpm
AlpinaB3 Touring (G21)Facelift 2024GT 3.06,250-6,500 rpm2,500-4,500 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIRS6 Avant (C8)GT 4.0 TFSI V8AlpinaB3 Touring (G21)Facelift 2024GT 3.0
Acceleration checkpoints
0-60 mph
0-97 km/h
3.2 s
3.3 s
0-100 km/h
0-62 mph
3.3 s
3.5 s
0-200 km/h
0-124 mph
8.9 s
12.0 s
Top speed
305 km/h
190 mph
305 km/h
190 mph
Drag race simulation
60 ft
18 m
2.0 s
1.8 s
330 ft
101 m
4.9 s
4.9 s
1/8 mile
201 m
7.2 s
7.4 s
1000 ft
305 m
9.2 s
9.7 s
1/4 mile
402 m
10.8 s
11.5 s
Trap speed
1/4 mile
402 m
221 km/h
137 mph
196 km/h
122 mph

Power comparison

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

Chart data table
VehicleValue
AUDIRS6 Avant (C8)GT 4.0 TFSI V8
630 hp
470 kW
AlpinaB3 Touring (G21)Facelift 2024GT 3.0
529 hp
394 kW

AUDI RS6 Avant (C8) GT 4.0 TFSI V8 has 101 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 AUDI RS6 Avant (C8) GT 4.0 TFSI V8: 101 hp (75 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIRS6 Avant (C8)GT 4.0 TFSI V8
850 Nm
627 lb-ft
AlpinaB3 Touring (G21)Facelift 2024GT 3.0
730 Nm
538 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIRS6 Avant (C8)GT 4.0 TFSI V8
2,075 kg
4,575 lb
AlpinaB3 Touring (G21)Facelift 2024GT 3.0
1,870 kg
4,123 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
AUDIRS6 Avant (C8)GT 4.0 TFSI V8
305 km/h
190 mph
AlpinaB3 Touring (G21)Facelift 2024GT 3.0
305 km/h
190 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
AUDIRS6 Avant (C8)GT 4.0 TFSI V83.3 s
AlpinaB3 Touring (G21)Facelift 2024GT 3.03.5 s

The biggest 0-100 km/h difference is between AUDI RS6 Avant (C8) GT 4.0 TFSI V8 and Alpina B3 Touring (G21) Facelift 2024 GT 3.0: 0.2 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
AUDIRS6 Avant (C8)GT 4.0 TFSI V8
12.7 L/100 km
18.5 mpg US
22.2 mpg UK
AlpinaB3 Touring (G21)Facelift 2024GT 3.0
10.6 L/100 km
22.2 mpg US
26.6 mpg UK

The biggest fuel consumption difference is between Alpina B3 Touring (G21) Facelift 2024 GT 3.0 and AUDI RS6 Avant (C8) GT 4.0 TFSI V8: 2.1 L/100 km.

Power-to-weight comparison

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

Chart data table
VehicleValue
AUDIRS6 Avant (C8)GT 4.0 TFSI V8
304 hp/t
226 kW/t
3.3 kg/hp
AlpinaB3 Touring (G21)Facelift 2024GT 3.0
283 hp/t
211 kW/t
3.5 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIRS6 Avant (C8)GT 4.0 TFSI V8
575 km
357 mi
AlpinaB3 Touring (G21)Facelift 2024GT 3.0
557 km
346 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIRS6 Avant (C8)GT 4.0 TFSI V8
630 hp
470 kW
3.3 s
305 km/h
190 mph
AlpinaB3 Touring (G21)Facelift 2024GT 3.0
529 hp
394 kW
3.5 s
305 km/h
190 mph

Most attractive quadrant

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

Chart data table
VehiclePerformance scorePracticality score
AUDIRS6 Avant (C8)GT 4.0 TFSI V8
Power
630 hp
470 kW
0-100 km/h3.3 s
Top speed
305 km/h
190 mph
Doors/seats
5 doors
5 seats
Trunk
548 L
19.4 cu ft
Length
5,018 mm
197.6 in
Height
1,513 mm
59.6 in
AlpinaB3 Touring (G21)Facelift 2024GT 3.0
Power
529 hp
394 kW
0-100 km/h3.5 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

Performance vs fuel economy

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

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
AUDIRS6 Avant (C8)GT 4.0 TFSI V8
Power
630 hp
470 kW
0-100 km/h3.3 s
Top speed
305 km/h
190 mph
12.7 L/100 km
18.5 mpg US
22.2 mpg UK
AlpinaB3 Touring (G21)Facelift 2024GT 3.0
Power
529 hp
394 kW
0-100 km/h3.5 s
Top speed
305 km/h
190 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
VehicleFuel consumption, L/100 km0-100 km/h, s
AUDIRS6 Avant (C8)GT 4.0 TFSI V8
12.7 L/100 km
18.5 mpg US
22.2 mpg UK
3.3 s
AlpinaB3 Touring (G21)Facelift 2024GT 3.0
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
3.5 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
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
AUDIRS6 Avant (C8)GT 4.0 TFSI V8
304 hp/t
226 kW/t
3.3 kg/hp
12.7 L/100 km
18.5 mpg US
22.2 mpg UK
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

Detailed score breakdown

Detailed score breakdown
VehicleAUDIRS6 Avant (C8)GT 4.0 TFSI V8AlpinaB3 Touring (G21)Facelift 2024GT 3.0
Power
630 hp
470 kW
529 hp
394 kW
Torque
850 Nm
627 lb-ft
730 Nm
538 lb-ft
Acceleration
3.3 s
3.5 s
Top speed
305 km/h
190 mph
305 km/h
190 mph
Lightness
2,075 kg
4,575 lb
1,870 kg
4,123 lb
Fuel consumption
12.7 L/100 km
18.5 mpg US
22.2 mpg UK
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
548 L
19.4 cu ft
Length
5,018 mm
197.6 in
Height
1,513 mm
59.6 in
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
Range score
575 km
357 mi
557 km
346 mi
Trunk score
548 L
19.4 cu ft
500 L
17.7 cu ft
Power-to-weight score
304 hp/t
226 kW/t
3.3 kg/hp
283 hp/t
211 kW/t
3.5 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

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

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
VehicleAUDI RS6 Avant (C8) GT 4.0 TFSI V8Alpina B3 Touring (G21) Facelift 2024 GT 3.0
Consumption12.7 L/100 km18.5 mpg US22.2 mpg UK10.6 L/100 km22.2 mpg US26.6 mpg UK
Cost / 100 km22.22 LC100 km18.55 LC100 km
Cost / 100 mi35.77 LC100 mi29.85 LC100 mi
Annual fuel used1,905 L503 US gal419 UK gal1,590 L420 US gal350 UK gal
Annual fuel cost3,334 LC/year2,783 LC/year

Head-to-head comparisons

AUDI RS6 Avant (C8) GT 4.0 TFSI V8

  • Has 101 hp more
  • Has 120 Nm more
  • Is 0.2 s quicker from 0-100 km/h
  • Has 21 hp/t better power-to-weight
  • Has 18 km (11 mi) more estimated range
  • Has 48 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Highest combined fuel consumption
  • Heaviest

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI RS6 Avant (C8) GT 4.0 TFSI V8
Alpina B3 Touring (G21) GT 3.0
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2 vehicles selected

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