Car comparison

AUDI A6 Avant (4G/C7) 3.0 TFSIvsMercedes-Benz R-class (W251) · Facelift 2010 R 350 V6 BlueEFFICIENCY

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

New comparison

AUDI A6 Avant (4G/C7)

3.0 TFSI

310 hp2995 ccGasolineAWDAutomaticSuperchargedWagon / estate2011-2014
VS

Mercedes-Benz R-class (W251) · Facelift 2010

R 350 V6 BlueEFFICIENCY

306 hp3498 ccGasolineAWDAutomaticNaturally aspiratedWagon / estate2011-2013

Comparison overview

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

Best choices

AUDI A6 Avant (4G/C7) 3.0 TFSI

  • Quickest 0-100 km/h
    5.6 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    310 hp
    231 kW
  • Highest torque
    440 Nm
    325 lb-ft
  • Lightest
    1,865 kg
    4,112 lb
  • Best power-to-weight
    166 hp/t
    124 kW/t
    6.0 kg/hp
  • Lowest combined fuel consumption
    8.2 L/100 km
    28.7 mpg US
    34.4 mpg UK
  • Lowest city consumption
    10.8 L/100 km
    21.8 mpg US
    26.2 mpg UK
  • Lowest highway consumption
    6.6 L/100 km
    35.6 mpg US
    42.8 mpg UK
  • Best estimated range
    793 km
    493 mi
  • Largest trunk
    565 L
  • Best overall score
    72/100
  • Best performance score
    65/100
  • Best economy score
    85/100
  • Best practicality score
    87/100

Specification comparison

Specification comparison
ModelAUDIA6 Avant (4G/C7)3.0 TFSIMercedes-BenzR-class (W251)Facelift 2010R 350 V6 BlueEFFICIENCY
Power
310hp231kW
306hp228kW
Torque
440Nm325lb-ft
370Nm273lb-ft
Curb weight
1,865kg4,112lb
2,150kg4,740lb
Gross weight
2,350kg5,181lb
2,950kg6,504lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
245 km/h
152 mph
To 99% top speed
60.8s99% target: 257 km/h / 160 mph
Calculated
91.9s99% target: 243 km/h / 151 mph
Calculated
0-100 km/h
5.6s
7.8s
0-200 km/h
18.1s
Calculated
29.5s
Calculated
0-60 mph
5.3s
Calculated
7.4s
Calculated
Fuel consumption
8.2L/100 km28.7mpg US34.4mpg UK
10.1L/100 km23.3mpg US28.0mpg UK
Fuel consumption city
10.8L/100 km21.8mpg US26.2mpg UK
13.3L/100 km17.7mpg US21.2mpg UK
Fuel consumption highway
6.6L/100 km35.6mpg US42.8mpg UK
8.2L/100 km28.7mpg US34.4mpg UK
Quarter mile
13.6s
Calculated
15.6s
Calculated
Power-to-weight
166hp/t124kW/t75hp/1000 lb
Calculated
142hp/t106kW/t65hp/1000 lb
Calculated
Torque-to-weight
236Nm/t158lb-ft/ton
Calculated
172Nm/t115lb-ft/ton
Calculated
Estimated range
793km493mi
Calculated
792km492mi
Calculated
Displacement
2,995cc183cu in
3,498cc213cu in
Length
4,926mm194in
4,922mm194in
Width
1,874mm74in
1,922mm76in
Height
1,468mm58in
1,674mm66in
Wheelbase
2,912mm115in
2,980mm117in
Front track
1,874mm74in
1,661mm65in
Rear track
1,618mm64in
1,651mm65in
Ground clearance
117mm5in
-
Trunk volume
565L
550L
Max trunk volume
1,680L
1,950L
Doors
5
5
Seats
5
5
Fuel tank
65L
80L
CO2 emissions
190g/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.

AUDI A6 Avant (4G/C7) 3.0 TFSIMercedes-Benz R-class (W251) Facelift 2010 R 350 V6 BlueEFFICIENCYPowerTorque
  • AUDI A6 Avant (4G/C7) 3.0 TFSI: Power / Torque
  • Mercedes-Benz R-class (W251) Facelift 2010 R 350 V6 BlueEFFICIENCY: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIA6 Avant (4G/C7)3.0 TFSI5,500-6,500 rpm2,900-4,500 rpm6,750 rpm
Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 BlueEFFICIENCY6,500 rpm3,500-5,250 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIA6 Avant (4G/C7)3.0 TFSIMercedes-BenzR-class (W251)Facelift 2010R 350 V6 BlueEFFICIENCY
Acceleration checkpoints
0-60 mph
0-97 km/h
5.3 s
7.4 s
0-100 km/h
0-62 mph
5.6 s
7.8 s
0-200 km/h
0-124 mph
18.1 s
29.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
245 km/h
152 mph
Drag race simulation
60 ft
18 m
2.4 s
2.7 s
330 ft
101 m
6.1 s
6.9 s
1/8 mile
201 m
9.0 s
10.3 s
1000 ft
305 m
11.5 s
13.2 s
1/4 mile
402 m
13.6 s
15.6 s
Trap speed
1/4 mile
402 m
175 km/h
109 mph
152 km/h
94 mph

Power comparison

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

Chart data table
VehicleValue
AUDIA6 Avant (4G/C7)3.0 TFSI
310 hp
231 kW
Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 BlueEFFICIENCY
306 hp
228 kW

AUDI A6 Avant (4G/C7) 3.0 TFSI has 4 hp more than Mercedes-Benz R-class (W251) Facelift 2010 R 350 V6 BlueEFFICIENCY.

The biggest power difference is between Mercedes-Benz R-class (W251) Facelift 2010 R 350 V6 BlueEFFICIENCY and AUDI A6 Avant (4G/C7) 3.0 TFSI: 4 hp (3 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIA6 Avant (4G/C7)3.0 TFSI
440 Nm
325 lb-ft
Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 BlueEFFICIENCY
370 Nm
273 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIA6 Avant (4G/C7)3.0 TFSI
1,865 kg
4,112 lb
Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 BlueEFFICIENCY
2,150 kg
4,740 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
AUDIA6 Avant (4G/C7)3.0 TFSI
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 BlueEFFICIENCY
245 km/h
152 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
AUDIA6 Avant (4G/C7)3.0 TFSI5.6 s
Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 BlueEFFICIENCY7.8 s

The biggest 0-100 km/h difference is between AUDI A6 Avant (4G/C7) 3.0 TFSI and Mercedes-Benz R-class (W251) Facelift 2010 R 350 V6 BlueEFFICIENCY: 2.2 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
AUDIA6 Avant (4G/C7)3.0 TFSI
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 BlueEFFICIENCY
10.1 L/100 km
23.3 mpg US
28.0 mpg UK

The biggest fuel consumption difference is between AUDI A6 Avant (4G/C7) 3.0 TFSI and Mercedes-Benz R-class (W251) Facelift 2010 R 350 V6 BlueEFFICIENCY: 1.9 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
AUDIA6 Avant (4G/C7)3.0 TFSI
166 hp/t
124 kW/t
6.0 kg/hp
Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 BlueEFFICIENCY
142 hp/t
106 kW/t
7.0 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIA6 Avant (4G/C7)3.0 TFSI
793 km
493 mi
Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 BlueEFFICIENCY
792 km
492 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA6 Avant (4G/C7)3.0 TFSI
310 hp
231 kW
5.6 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 BlueEFFICIENCY
306 hp
228 kW
7.8 s
245 km/h
152 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
AUDIA6 Avant (4G/C7)3.0 TFSI
Power
310 hp
231 kW
0-100 km/h5.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
565 L
20.0 cu ft
Length
4,926 mm
193.9 in
Height
1,468 mm
57.8 in
Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 BlueEFFICIENCY
Power
306 hp
228 kW
0-100 km/h7.8 s
Top speed
245 km/h
152 mph
Doors/seats
5 doors
5 seats
Trunk
550 L
19.4 cu ft
Length
4,922 mm
193.8 in
Height
1,674 mm
65.9 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
AUDIA6 Avant (4G/C7)3.0 TFSI
Power
310 hp
231 kW
0-100 km/h5.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 BlueEFFICIENCY
Power
306 hp
228 kW
0-100 km/h7.8 s
Top speed
245 km/h
152 mph
10.1 L/100 km
23.3 mpg US
28.0 mpg UK

AUDI A6 Avant (4G/C7) 3.0 TFSI 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
AUDIA6 Avant (4G/C7)3.0 TFSI
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
5.6 s
Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 BlueEFFICIENCY
10.1 L/100 km
23.3 mpg US
28.0 mpg UK
7.8 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
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
AUDIA6 Avant (4G/C7)3.0 TFSI
166 hp/t
124 kW/t
6.0 kg/hp
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 BlueEFFICIENCY
142 hp/t
106 kW/t
7.0 kg/hp
10.1 L/100 km
23.3 mpg US
28.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA6 Avant (4G/C7)3.0 TFSIMercedes-BenzR-class (W251)Facelift 2010R 350 V6 BlueEFFICIENCY
Power
310 hp
231 kW
306 hp
228 kW
Torque
440 Nm
325 lb-ft
370 Nm
273 lb-ft
Acceleration
5.6 s
7.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
245 km/h
152 mph
Lightness
1,865 kg
4,112 lb
2,150 kg
4,740 lb
Fuel consumption
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
10.1 L/100 km
23.3 mpg US
28.0 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
565 L
20.0 cu ft
Length
4,926 mm
193.9 in
Height
1,468 mm
57.8 in
Doors/seats
5 doors
5 seats
Trunk
550 L
19.4 cu ft
Length
4,922 mm
193.8 in
Height
1,674 mm
65.9 in
Range score
793 km
493 mi
792 km
492 mi
CO2 score
190 g/km
-
Trunk score
565 L
20.0 cu ft
550 L
19.4 cu ft
Power-to-weight score
166 hp/t
124 kW/t
6.0 kg/hp
142 hp/t
106 kW/t
7.0 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 A6 Avant (4G/C7) 3.0 TFSIMercedes-Benz R-class (W251) Facelift 2010 R 350 V6 BlueEFFICIENCY
Consumption8.2 L/100 km28.7 mpg US34.4 mpg UK10.1 L/100 km23.3 mpg US28 mpg UK
Cost / 100 km14.35 LC100 km17.68 LC100 km
Cost / 100 mi23.09 LC100 mi28.45 LC100 mi
Annual fuel used1,230 L325 US gal271 UK gal1,515 L400 US gal333 UK gal
Annual fuel cost2,153 LC/year2,651 LC/year

Head-to-head comparisons

AUDI A6 Avant (4G/C7) 3.0 TFSI

  • Has 4 hp more
  • Has 70 Nm more
  • Is 285 kg lighter
  • Is 2.2 s quicker from 0-100 km/h
  • Has 15 km/h (9 mph) higher top speed
  • Uses 1.9 L/100 km less fuel
  • Has 24 hp/t better power-to-weight
  • Has 1 km (0 mi) more estimated range
  • Has 15 L more trunk volume

Pros

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI A6 Avant (4G/C7) 3.0 TFSI
Mercedes-Benz R-class (W251) R 350 V6 BlueEFFICIENCY
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